Total Nitrogen UV Analysis

Total Nitrogen UV Analysis, Total:187 items.

In the international standard classification, Total Nitrogen UV Analysis involves: Water quality, Vocabularies, Analytical chemistry, Soil quality. Pedology, Burners. Boilers, Rubber, ENVIRONMENT. HEALTH PROTECTION. SAFETY, Fertilizers, Optics and optical measurements, Products of the chemical industry, Education, Equipment for the chemical industry, Linear and angular measurements, Industrial automation systems, Environmental protection, Inorganic chemicals, General methods of tests and analysis for food products, Raw materials for rubber and plastics, Ceramics, Fuels, Coals, Power stations in general, Spices and condiments. Food additives, Products of the textile industry, Air quality, Metalliferous minerals, Ferrous metals, Refractories, Natural gas, Non-ferrous metals, Petroleum products in general.

Danish Standards Foundation, Total Nitrogen UV Analysis

DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
DS/EN 16344:2013 Cosmetics - Analysis of cosmetic products - Screening for UV-filters in cosmetic products and quantitative determination of 10 UV-filters by HPLC.
DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

GSO, Total Nitrogen UV Analysis

OS GSO ISO 29441:2013 Water quality -- Determination of total nitrogen after UV digestion -- Method using flow analysis (CFA and FIA) and spectrometric detection
GSO ISO 29441:2013 Water quality -- Determination of total nitrogen after UV digestion -- Method using flow analysis (CFA and FIA) and spectrometric detection
OS GSO ISO 4735:2015 Oils of Citrus -- Determination of CD value by ultraviolet spectrometric analysis
GSO ISO 4735:2015 Oils of Citrus -- Determination of CD value by ultraviolet spectrometric analysis
BH GSO ISO 13878:2016 Soil quality -- Determination of total nitrogen content by dry combustion ("elemental analysis")
GSO ISO 15672:2015 Rubber and rubber additives -- Determination of total nitrogen content using an automatic analyser
OS GSO ISO 15672:2015 Rubber and rubber additives -- Determination of total nitrogen content using an automatic analyser
GSO EN 16344:2021 Cosmetics - Analysis of cosmetic products - Screening for UV-filters in cosmetic products and quantitative determination of 10 UV-filters by HPLC.
BH GSO EN 16344:2022 Cosmetics - Analysis of cosmetic products - Screening for UV-filters in cosmetic products and quantitative determination of 10 UV-filters by HPLC.
OS GSO ISO 13395:2013 Water quality -- Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

SCC, Total Nitrogen UV Analysis

DANSK DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
AWWA QTC98249 Total Organic Carbon Analysis for Difficult Matrices: An Ultra Violet/Persulfate Approach
SPC GB/T 37186-2018 Gas analysis -- Determination of sulfur dioxide and nitrogen oxides -- Ultraviolet differential optical absorption spectroscopy (TEXT OF DOCUMENT IS IN CHINESE)
UNE 84170:1983 OIL OF LEMON. ULTRA-VIOLET SPECTROPHOTO METRIC ANALYSIS
AWWA ACE59838 UV Reactor Analysis Using CFD and UV Intensity Models
NS 4745:1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
AWWA WQTC62577 Analyzing UV Reactor Validation Data to Verify UV Dose Delivery Using the UV Disinfection Guidance Manual
NS 4743:1993 Water analysis — Determination of total nitrogen after oxidation by peroxodisulphate
AWWA ACE68628 Analysis of a LPHO UV Reactor under Multiple Upstream Elbow Configurations Using UV Sensitive Fluorescent Microspheres
AWWA QTC97050 Comparison of Combustion Versus UV/Persulfate TOC Analysis
AS 3753:1990 Recommended practice for chemical analysis by ultraviolet/visible spectrophotometry
AWWA ACE60072 Cryptosporidium Risk Analysis to Determine UV Performance Guidelines
AWWA WQTC56946 Direct Molecular Quantitation of UV-Induced Damage to Cryptosporidium Oocysts
NS-EN 16344:2013 Cosmetics — Analysis of cosmetic products — Screening for UV-filters in cosmetic products and quantitative determination of 10 UV-filters by HPLC.
DANSK DS/EN 16344:2013 Cosmetics - Analysis of cosmetic products - Screening for UV-filters in cosmetic products and quantitative determination of 10 UV-filters by HPLC.
DANSK DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
AWWA ACE62952 New Risk Analysis Tool for Assessing UV Disinfection Systems for Drinking Water Applications
AS CK19:1970 Code of recommended practice for the chemical analysis of materials by u ltraviolet visible spectrophotometry
DIN EN 16344 E:2011 Draft Document - Cosmetics - Analysis of sun screen products - Screening for UV filters in sun screen products and quantitative determination of 10 UV-filters by HPLC; German version prEN 16344:2011
DANSK DS/ISO 22066:2020 Water quality – Determination of total cyanide – Method using segmented flow injection, in-line ultraviolet digestion analysis by gas diffusion and amperometric detection
BS 684-1.15:1990 Methods of analysis of fats and fatty oils. Physical methods-Determination of ultraviolet absorbance
DIN 54387-3:2016 Testing of ceramic raw and basic materials - Chemical analysis of boron carbide, boron nitride, other metal borides and elemental boron - Part 3: Determination of the non-metallic major and minor constituents total carbon, total oxygen and total nitrog...
AENOR UNE-EN ISO 13395:1997 WATER QUALITY. DETERMINATION OF NITRITE NITROGEN AND NITRATE NITROGEN AND THE SUM OF BOTH BY FLOW ANALYSIS (CFA AND FIA) AND SPECTROMETRIC DETECTION. (ISO 13395:1996).
BS 684-1-1.15:1978 Methods of analysis of fats and fatty oils. Physical methods-Determination of specific extinction in ultra-violet light
AS 1038.6.3.3:1986 Coal and coke - Analysis and testing, Part 6.3.3: Ultimate analysis of higher rank coal - Determination of total sulphur (Infrared method)
DIN EN ISO 21068-2 E:2023 Draft Document - Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and...
NS-EN ISO 13395:1996 Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)
AWWA WQTC57118 Determination of Fluence Rate Distribution in UV Reactors Using Spherical Actinometry and Mathematical Analysis Approaches

Professional Standard - Environmental Protection, Total Nitrogen UV Analysis

HJ 636-2012 Water quality.Determination of total nitrogen.Alkaline potassium persulfate digestion UV spectrophotometric method
HJ/T 102-2003 The technical requirement for water quality automatic analyzer of total nitrogen
HJ/T 346-2007 Water quality. Determination of nitrate-nitrogen. Ultraviolet spectrophotometry
HJ/T 42-1999 Stationary source emission.Determination of nitrogen oxide.Ultraviolet spectrophotometric method

国家市场监督管理总局、中国国家标准化管理委员会, Total Nitrogen UV Analysis

GB/T 37186-2018 Gas analysis—Determination of sulfur dioxide and nitrogen oxides—Ultraviolet differential optical absorption spectroscopy
GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method
GB/T 41072-2021 Surface chemical analysis—Electron spectroscopies—Guidelines for ultraviolet photoelectron spectroscopy analysis
GB/T 11060.8-2020 Natural gas—Determination of sulfur compounds—Part 8：Determination of total sulfur content by ultraviolet fluorescence method

National Metrological Verification Regulations of the People's Republic of China, Total Nitrogen UV Analysis

JJG 1094-2013 Water Quality On-line Analyzers of Total Phosphorus and Total Nitrogen

International Organization for Standardization (ISO), Total Nitrogen UV Analysis

ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
ISO 4735:2002 Oils of citrus - Determination of CD value by ultraviolet spectrometric analysis
ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis")
ISO 15672:2000 Rubber and rubber additives - Determination of total nitrogen content using an automatic analyser
ISO 4735:1981 Oils of citrus; Determination of CD value by ultraviolet spectrophotometric analysis
ISO 21820:2021 Fine ceramics (advanced ceramics, advanced technical ceramics) - Ultraviolet photoluminescence image test method for analysing polytypes of boron- and nitrogen-doped SiC crystals
ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
ISO 22066:2020 Water quality — Determination of total cyanide — Method using segmented flow injection, in-line ultraviolet digestion analysis by gas diffusion and amperometric detection
ISO/DIS 21068-2 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon — Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free
ISO 5666-2:1983 Water quality; Determination of total mercury by flameless atomic absorption spectrometry; Part 2: Method after pretreatment with ultraviolet radiation

National Metrological Technical Specifications of the People's Republic of China, Total Nitrogen UV Analysis

JJF 1936-2021 Calibration Specification for UV Analyzers

Professional Standard - Water Conservancy, Total Nitrogen UV Analysis

SL 84-1994 Determination of nitrogen (nitrate)(Ultraviolet spectrophtometric method)

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Total Nitrogen UV Analysis

GB/T 32737-2016 Determination of nitrate nitrogen in soil - Ultraviolet spectrophotometry method
GB/T 14422-1993 Analysis of water used in boiler and cooling system. Determination of benzotriazole. Ultraviolet spectrophotometry
GB/T 25481-2010 On-line ultraviolet/visible spectrum analyzer
GB/T 13971-1992 Specification of ultra-violet gas analyzers
GB/T 13971-2013 Specification of ultraviolet gas analyzers
GB/T 34796-2017(英文版) Quantification and purity analysis of nucleic acid concentration in solution—Ultraviolet spectrophotometry
GB/T 3257.15-1999 Methods for chemical analysis of bauxite--Determination the total content of rare earth oxide--Tribromo-arsenazo photometric method
GB/T 223.49-1994 Methods for chemical analysis of iron,steel and alloy. Extraction separation-chlorophosphonazo mA spectrophotometric method for the determination of the total rare tarth content
GB/T 14423-1993 Analysis of water used in boiler and cooling system. 2-Mercaptobenzothiazole. Ultraviolet spectrophotometry
GB/T 11060.8-2012 Natural gas.Determination of sulfur compound.Part 8:Determination of total sulfur content by ultraviolet fluorescence method
GB/T 6987.24-2001 Aluminium and aluminium alloys--Determination of the cerium subgroup of rare earth elements content--Tribromoarsenazo spectrophotometric method
GB/T 4325.23-2013 Methods for chemical analysis of molybdenum.Part 23:Determination of oxygen and nitrogen contents.Inert gas fusion-infrared absorption and thermal conductivity method
GB/T 6912.1-2006 Methods for analysis of water for boiler and for cooling. Determination of nitrates and nitrites. Part 1: Ultraviolet spectrophotometry for nitrates

NO-SN, Total Nitrogen UV Analysis

NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4743-1993 Water analysis. Determination of total nitrogen after oxidation with peroxodisulphate

Professional Standard - Agriculture, Total Nitrogen UV Analysis

NY/T 1116-2006 Fertilizers-Determination of nitrate nitrogen content.UItraviolet spectro-photometric method

Group Standards of the People's Republic of China, Total Nitrogen UV Analysis

T/GDCKCJH 048-2021 Performance requirements and test methods for ultraviolet analyzer
T/QAS 082.3-2022 Chemical Analysis of Rock Salt and Glauber's Salt Part 3: Determination of Nitrate by Ultraviolet Spectrophotometry
T/CPCIF 0187-2022 Rapid analysis method of diesel engines NOx reduction agent- aqueous urea solution（AUS 32)—Near infrared spectrometry

Professional Standard - Railway, Total Nitrogen UV Analysis

TB/T 2544.3-1995 Quick Analysis Method for Corrosion Inhibitor in Cooling Water of Railway Diesel Locomotive Determination of Benzotriazole by UV Spectrophotometry
TB/T 2544.2-1995 Quick Analysis Method for Corrosion Inhibitor in Cooling Water of Railway Diesel Locomotive Determination of Nitrite Ultraviolet Spectrophotometry

中华人民共和国环境保护部, Total Nitrogen UV Analysis

GB 11894-1989 Water quality-Determination of total nitrogen-Alkaline potassium persulfate digestion-UV spectrophotometric method

AT-ON, Total Nitrogen UV Analysis

ONORM L 1095-2002 Chemical analyses of soils - Determination of total nitrogen by dry combustion

Professional Standard - Commodity Inspection, Total Nitrogen UV Analysis

SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion

Professional Standard - Education, Total Nitrogen UV Analysis

JY/T 0570-2020 General rules for ultraviolet and visible absorption spectrometry

Association Francaise de Normalisation, Total Nitrogen UV Analysis

NF ISO 4735:2002 Citrus essential oils - Determination of the CD value by ultraviolet spectrometric analysis
NF X31-418*NF ISO 13878:1998 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
NF T75-122*NF ISO 4735:2002 Oils of Citrus - Determination of CD value by ultraviolet spectrometric analysis.
NF T20-295:1968 CHEMICAL ANALYSIS OF SULPHURIC ACID AND OLEUM. DETERMINATION OF TOTAL NITROGEN.
NF ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis")
NF EN ISO 13395:1996 Water quality - Determination of nitrous nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
NF EN 16344:2013 Cosmetics - Analysis of cosmetic preparations - Detection of UV filters in cosmetic products and quantitative determination of 10 UV filters by HPLC
NF T75-122:1982 ESSENTIAL OILS. OILS OF CITRUS. DETERMINATION OF CD VALUE BY ULTRAVIOLET SPECTROPHOTOMETRIC ANALYSIS.
NF T90-012*NF EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection.
NF X31-408*NF ISO 11264:2008 Soil quality - Determination of herbicides - Method using HPLC with UV-detection
XP CEN/TS 17784-1:2022 Organo-mineral fertilizers - Identification of complexing agents - Part 1: method using UV-Vis spectrophotometry and gravimetry
NF M07-073:2001 Petroleum products - Determination of the content of total aromatic hydrocarbons in saturated fractions - Ultra-Violet absorbance spectrometric method for low contents.

VN-TCVN, Total Nitrogen UV Analysis

TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")

AENOR, Total Nitrogen UV Analysis

UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
UNE 77325:2003 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
UNE-EN 16344:2014 Cosmetics - Analysis of cosmetic products - Screening for UV-filters in cosmetic products and quantitative determination of 10 UV-filters by HPLC.
UNE-EN ISO 13395:1997 WATER QUALITY. DETERMINATION OF NITRITE NITROGEN AND NITRATE NITROGEN AND THE SUM OF BOTH BY FLOW ANALYSIS (CFA AND FIA) AND SPECTROMETRIC DETECTION. (ISO 13395:1996).

工业和信息化部, Total Nitrogen UV Analysis

HG/T 5642-2019 Ultraviolet method H2S and SO2 ratio analyzer for sulfur recovery unit
YS/T 1525-2022 Chemical analysis methods for nickel-platinum alloys, determination of oxygen and nitrogen content, pulse-infrared absorption method and thermal conductivity detection method

NL-NEN, Total Nitrogen UV Analysis

NEN 6646-1990 Water - Photometric determination of the content of ammonium nitrogen and of the sum of the contents of ammoniacal and organically bound nitrogen according to Kjeldahl by continuous flow analysis

Korean Agency for Technology and Standards (KATS), Total Nitrogen UV Analysis

KS H ISO 4735:2014 Oils of Citrus－Determination of CD value by ultraviolet spectrometric analysis
KS H ISO 4735:2011 Oils of Citrus-Determination of CD value by ultraviolet spectrometric analysis
KS I ISO 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS M ISO 15672-2022 Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser
KS M ISO 15672:2007 Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser
KS M ISO 15672-2007(2017) Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser
KS M ISO 15672-2007(2022) Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser
KS I ISO 13395-2018 Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS I ISO 13395-2008(2018) Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS I ISO 13395:2008 Water quality-Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS I ISO 21258:2012 Stationary source emissions-Determination of the mass concentration of dinitrogen monoxide(N2O)-Reference method:Non-dispersive infrared method

American Society for Testing and Materials (ASTM), Total Nitrogen UV Analysis

ASTM E169-04(2009) Standard Practices for General Techniques of Ultraviolet-Visible Quantitative Analysis
ASTM E169-63(1977) Standard Recommended Practices for General Techniques Of Ultraviolet Quantitative Analysis
ASTM D7511-12(2017)e1 Standard Test Method for Total Cyanide by Segmented Flow Injection Analysis, In-Line Ultraviolet Digestion and Amperometric Detection
ASTM D7511-09e1 Standard Test Method for Total Cyanide by Segmented Flow Injection Analysis, In-Line Ultraviolet Digestion and Amperometric Detection
ASTM D7511-09 Standard Test Method for Total Cyanide by Segmented Flow Injection Analysis, In-Line Ultraviolet Digestion and Amperometric Detection
ASTM D7511-12(2024) Standard Test Method for Total Cyanide by Segmented Flow Injection Analysis, In-Line Ultraviolet Digestion and Amperometric Detection
ASTM E169-16(2022) Standard Practices for General Techniques of Ultraviolet-Visible Quantitative Analysis
ASTM E169-04 Standard Practices for General Techniques of Ultraviolet-Visible Quantitative Analysis
ASTM D7511-09e2 Standard Test Method for Total Cyanide by Segmented Flow Injection Analysis, In-Line Ultraviolet Digestion and Amperometric Detection
ASTM D7511-12 Standard Test Method for Total Cyanide by Segmented Flow Injection Analysis, In-Line Ultraviolet Digestion and Amperometric Detection
ASTM E169-63(1981)e1 Standard Recommended Practice for General Techniques of Ultraviolet Quantitative Analysis
ASTM E169-16 Standard Practices for General Techniques of Ultraviolet-Visible Quantitative Analysis
ASTM E169-99 Standard Practices for General Techniques of Ultraviolet-Visible Quantitative Analysis
ASTM E169-04(2014) Standard Practices for General Techniques of Ultraviolet-Visible Quantitative Analysis

British Standards Institution (BSI), Total Nitrogen UV Analysis

BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
BS ISO 22066:2020 Water quality. Determination of total cyanide. Method using segmented flow injection, in-line ultraviolet digestion analysis by gas diffusion and amperometric detection
BS ISO 21820:2021 Fine ceramics (advanced ceramics, advanced technical ceramics). Ultraviolet photoluminescence image test method for analysing polytypes of boron- and nitrogen-doped SiC crystals
20/30349837 DC BS ISO 21820. Fine ceramics (advanced ceramics, advanced technical ceramics). Ultraviolet photoluminescence image test method for analyzing polytypes of boron and nitrogen doped SiC crystals
DD ISO/TS 12902:2002 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen. Instrumental methods
BS EN ISO 13395:1996(1998) Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BS ISO 15672:2000 Rubber and rubber additives - Determination of total nitrogen content using an automatic analyser
BS EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
19/30355969 DC BS ISO 22066. Water quality. Determination of available total cyanide. Method using segmented flow injection, in-line ultraviolet digestion analysis by gas diffusion and amperometric detection
BS 684-1.15:1990(1999)*ISO 4656:1989 Methods of analysis of Fats and fatty oils — Part 1 : Physical methods — Section 1.15 Determination of ultraviolet absorbance
PD CEN/TS 17784-1:2022 Organo-mineral fertilizers. Identification of complexing agents.. Method using UV-Vis spectrophotometry and gravimetry

KR-KS, Total Nitrogen UV Analysis

KS I ISO 13878-2009(2023) Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)

Ningxia Provincial Standard of the People's Republic of China, Total Nitrogen UV Analysis

DB64/T 1515-2017 Determination of Total Glucosides in Sheep Placenta Capsules by Ultraviolet Spectrophotometry

Japanese Industrial Standards Committee (JISC), Total Nitrogen UV Analysis

JIS K 0170-3:2011 Testing methods for water quality by flow analysis -- Part 3: Total nitrogen
JIS K 0170-3:2019 Testing methods for water quality by flow analysis -- Part 3: Total nitrogen
JIS K 2180-5:2013 Dimethylether (DME) for fuels -- Part 5: Determination of total sulfur -- Ultraviolet fluorescence method
JIS D 1030:1998 Automobiles -- Analytical procedure for measurement of carbon monoxide, carbon dioxide, total hydrocarbons and oxides of nitrogen in exhaust gas

German Institute for Standardization, Total Nitrogen UV Analysis

DIN ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis") (ISO 13878:1998)
DIN EN 16344:2013-11 Cosmetics - Analysis of cosmetic products - Screening for UV-filters in cosmetic products and quantitative determination of 10 UV-filters by HPLC; German version EN 16344:2013
DIN EN ISO 13395:1996-12 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996); German version EN ISO 13395:1996
DIN CEN/TS 17784-1:2022-07 Organo-mineral fertilizers - Identification of complexing agents - Part 1: Method using UV-Vis spectrophotometry and gravimetry; German version CEN/TS 17784-1:2022
DIN EN ISO 21068-2:2023-07 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, fr...
DIN EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996); German version EN ISO 13395:1996

未注明发布机构, Total Nitrogen UV Analysis

ASTM RR-E05-1004 1982 E0169-Standard Practices for General Techniques of Ultraviolet-Visible Quantitative Analysis
AS 3753:2001(R2016) Recommended practice for chemical analysis by ultraviolet/visible spectrophotometry

CZ-CSN, Total Nitrogen UV Analysis

CSN 83 0540 Cast.13-1984 Chemical and physical analysis of waste water Determination of organic and total nitrogen

SE-SIS, Total Nitrogen UV Analysis

SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water

Standard Association of Australia （SAA）, Total Nitrogen UV Analysis

AS 1038.6.3.3:1997(R2013) Coal and Coke Analysis and Testing Advanced Coal Elemental Analysis Total Sulfur Infrared Method
AS 3753:2001 Recommended practice for chemical analysis by ultraviolet/visible spectrophotometry
AS 1038.6.3.3:1997 Coal and coke - Analysis and testing - Higher rank coal - Ultimate analysis - Total sulfur - Infrared method

Professional Standard - Geology, Total Nitrogen UV Analysis

DZ/T 0064.59-2021 Methods of Analytical Groundwater Quality Part 59: Determination of Nitrate by Ultraviolet Spectrophotometry

US-CFR-file, Total Nitrogen UV Analysis

CFR 40-1065.272-2014 Protection of Environment. Part1065:Engine-testing procedures. Section1065.272:Nondispersive ultraviolet analyzer.

Professional Standard - Electricity, Total Nitrogen UV Analysis

DL/T 502.28-2006 Analytical methods of steam and water in power plants Part 28: Determination of organic matter (Ultraviolet spectrophotometry)

Professional Standard - Aviation, Total Nitrogen UV Analysis

HB 5218.14-1995 Aluminum Alloy Chemical Analysis Method Tribromoarsine Spectrophotometric Determination of Total Rare Earth in Cerium Group
HB 5297.24-2001 Determination of Oxygen and Nitrogen Content by Pulse Heating Infrared Thermal Conductivity Method for Chemical Analysis of Titanium Alloy
HB/Z 5218.14-2004 Methods for chemical analysis of aluminium alloys-Part 14:Determination of the cerium subgroup of rare earth elements content by tribromoarsenazo spectrophtometric method
HB 5220.49-2008 Methods for chemical analysis of superalloys. Part 49: Determination of oxygen, nitrogen content by impulse heating-infrared, thermal conductivity method
HB 5220.39-1995 Chemical Analysis Method of Superalloys PMBP Direct Extraction-ArsenazoⅢ Absorbance Spectrophotometry Determination of Total Rare Earth
HB 5220.39-2008 Methods for chemical analysis of superalloys. Part 39: Determination of total rare earth content by PMBP direct extraction-arsenazo Ⅲ photometric method

中华全国供销合作总社, Total Nitrogen UV Analysis

GH/T 1290-2020 Determination of the total content of Zanthoxylum amide in Zanthoxylum bungeanum and Zanthoxylum bungeanum processing products by UV spectrophotometry

国家质量监督检验检疫总局, Total Nitrogen UV Analysis

SN/T 4668-2016 Qualitative Analysis of Imported and Exported Textile Fibers by UV Diffuse Reflectance Spectrometry of Natural Colored Cotton

European Committee for Standardization (CEN), Total Nitrogen UV Analysis

EN ISO 13395:1996 Water Quality - Determination of Nitrite Nitrogen and Nitrate Nitrogen and the Sum of Both by Flow Analysis (CFA and FIA) and Spectrometric Detection
FprEN ISO 21068-2 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free

Lithuanian Standards Office , Total Nitrogen UV Analysis

LST EN ISO 13395:2000 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)

ZA-SANS, Total Nitrogen UV Analysis

SANS 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

Indonesia Standards, Total Nitrogen UV Analysis

SNI 06-2505-1991 Water, Test methods for total organic carbon content by infrared KOT analyzers

Professional Standard - Non-ferrous Metal, Total Nitrogen UV Analysis

YS/T 575.14-2006 Chemical analysis method of bauxite ore-tribromoarsine spectrophotometric determination of total rare earth oxides
YS/T 575.14-2007 Methods for chemical analysis of bauxite.Part 14:Determination the total content of rare earth oxide.Tribromo-arsenazo photometric method
YS/T 861.2-2013 Methods for chemical analysis of niobium-titanium alloy.Part 2:Determination of oxygen and nitrogen content.Inert gas fusion infrared/thermal conductivity method

RO-ASRO, Total Nitrogen UV Analysis

STAS 11327/1-1989 RUBBER STOPPERS FOR BLOOD BOTTLES AND PARENTERAL USE PREPARATIONS General specifications for physical and chemical analysis carrying out

Professional Standard - Petroleum, Total Nitrogen UV Analysis

SY/T 6009.9-2003 Test method of samples of geochemical exploration for oil and gas Part 9:Determination of the gross amount of aromatic hydrocarbons and their ramifications Ultraviolet spectroscopy

ES-UNE, Total Nitrogen UV Analysis

UNE-CEN/TS 17784-1:2022 Organo-mineral fertilizers - Identification of complexing agents - Part 1: Method using UV-Vis spectrophotometry and gravimetry (Endorsed by Asociación Española de Normalización in May of 2022.)

水利部, Total Nitrogen UV Analysis

SL/T 788-2019 Determination of total nitrogen, volatile phenols, sulfides, anionic surfactants and hexavalent chromium in water quality continuous flow analysis-spectrophotometry

Professional Standard - Rare Earth, Total Nitrogen UV Analysis

XB/T 617.7-2014 Chemical analysis methods for neodymium iron boron alloy.Part 7:Determination of oxygen and nitrogen contents.Impulse-infrared and impulse-thermal conductance absorption method

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, Total Nitrogen UV Analysis

GB/T 13747.22-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 22：Determination of oxygen and nitrogen contents—Inert gas fusion-infrared absorption and thermal conductivity method