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Sewage Total Nitrogen Analysis

Sewage Total Nitrogen Analysis, Total:198 items.

In the international standard classification, Sewage Total Nitrogen Analysis involves: Water quality, Analytical chemistry, ENVIRONMENT. HEALTH PROTECTION. SAFETY, Rubber, Soil quality. Pedology, Fertilizers, Inorganic chemicals, Test conditions and procedures in general, Raw materials for rubber and plastics, Pharmaceutics, Fuels, Coals, Metalliferous minerals, Natural gas, Wastes, Spices and condiments. Food additives, External sewage systems, Non-ferrous metals, Vocabularies, Power stations in general, Burners. Boilers, Geology. Meteorology. Hydrology, Beverages, Air quality, Ferrous metals, Refractories, Fluid power systems.

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

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

CZ-CSN, Sewage Total Nitrogen Analysis

CSN 83 0540 Cast.13-1984 Chemical and physical analysis of waste water Determination of organic and total nitrogen
CSN 83 0540 Cast.27-1987 Chemical and physical analysis of waste waters. Determination of total cyanides
CSN 83 0540 Cast.2-1984 Chemical and physical analysis of wasle water Sampling
CSN 83 0540 Cast.3-1982 Chemical and physical analysis of waste waters Determination of total, filtrable and nonfiltrable residue
CSN 83 0540 Cast.21-1985 Chemical and physioal analysis of waste waters. Determination of lead
CSN 83 0540 Cast.17-1985 Chemical and physsical analysis of waste waters. Determination of copper
CSN 83 0540 Cast.1-1984 Chemical and physical amalysis of waste water General regulatinns
CSN 83 0540 Cast.18-1985 Chemical and physical analysis of waste waters. Deteimination of
CSN 83 0540 Cast.16-1984 Chemical and physical analysis of waste water Determination of manganese
CSN 83 0540 Cast.24-1985 Chemical and physieal analysis of waste wuters. Determination of mercury
CSN 83 0540 Cast.19-1985 Chemical and physical aimlysis of waste water.--. Dctermination of zjno
CSN 83 0540 Cast.15-1984 Chemical and physical analysis of waste water Deterraination of iron
CSN 83 0540 Cast.22-1985 Chemical and physical analysis of waste waters. Determination of chromium
CSN 83 0540 Cast.25-1985 Chemical and physica] analysis of waste waters. Determination of arsenic
CSN 83 0540 Cast.20-1985 Chemical and physical analysis of vvaate waters. Upteiminatioii of cadmium
CSN 83 0540 Cast.23-1985 Chemical and physionl analyáis of waste waters. Determination of niokol
CSN 83 0540 Cast.26-1985 Chemical and physical analysis of waste waters. Determination of temperature
CSN 83 0532 Cast.6-1979 Biological analysis o? surface water. Determination of saprobic index according to Pantle and Buck
CSN 83 0540 Cast.30-1987 Chemical and physical analysis of waste waters. Determination of grease and oils
CSN 83 0540 Cast.6-1982 Chemical and physical analysis of waste xvater Determination of pH
CSN 83 0540 Cast.12-1984 Chemical and physical analysis of waste water Determination of nitrates
CSN 83 0540 Cast.14-1984 Chemical and physical analysis of waste water Determination of phosphates
CSN 58 0703-7-1999 Testing methods of dehydrated products and seasonings - Part 7: Determinaton of total nitrogen
CSN 83 0540 Cast.11-1984 Chemical and physical analysis of waste water Determination of nitrites
CSN 83 0540 Cast.7-1982 Chemical and physical analysls of waste water Determinatlon of neutra- lizing capacity
CSN 83 0540 Cast.8-1982 Chemical and physicalanalysls of waste water Determination of Chemi- cal oxygen demand
CSN 83 0540 Cast.9-1982 Chemical and physical analysis of waste water Determination of bio- chemical oxygen demand
CSN 83 0540 Cast.5-1982 Chemical and physical analysis of waste waters Determination of extractable matter
CSN 83 0540 Cast.10-1984 Chemical and physical analysis of waste water Determlnation of ammoMa and ammonium lons
CSN 83 0540 Cast.31-1987 Chemical and physical analysis of waste waters. Determination of phenolic compounds
CSN 83 0533 Cast.2-1979 Radiological analysis of surface water. Measurement of gross alpha activity
CSN 83 0523 Cast.3-1976 Radiological analysis of drinking water. Measurement of gross beta activity
CSN 83 0540 Cast.4-1982 Chemical and physical analysis of vvaste waters Determination of crude oil and oil products
CSN 83 0520 Cast.15-1976 Physico-chemical analysis of drinking water. Deterrainatioii of lotal cyanides
CSN 83 0523 Cast.2-1976 Badiologieal analysis of drinking water. Measurement of gross alpha activity

Taiwan Provincial Standard of the People's Republic of China, Sewage Total Nitrogen Analysis

CNS 3944-1976 Method for Determination of Total Kjeloahl Nitrogen in Polluted and Waste Water

Professional Standard - Environmental Protection, Sewage Total Nitrogen Analysis

HJ/T 102-2003 The technical requirement for water quality automatic analyzer of total nitrogen
HJ/T 101-2003 The technical requirement for water quality automatic analyzer of ammonia
HJ/T 199-2005 Water quality Determination of tota-nitrogen Gas-phase molecular absorption spectrometry
HJ/T 103-2003 The technical requirement for water quality automatic analyzer of total phosphorous
HJ 667-2013 Water quality.Determination of total nitrogen by continuous flow analysis (CFA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ 668-2013 Water quality.Determination of total nitrogen by flow injection analysis (FIA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ 636-2012 Water quality.Determination of total nitrogen.Alkaline potassium persulfate digestion UV spectrophotometric method
HJ/T 104-2003 The technical requirement for water quality automatic analyzer of total organic carbon
HJ 550-2009 Water quality.Determination of cobalt.5-CI-PADAB spectrophotometry

AT-ON, Sewage Total Nitrogen Analysis

ONORM M 6296-1993 Analysis of sewage Sludge - Determination of nitrogen components
ONORM L 1095-2002 Chemical analyses of soils - Determination of total nitrogen by dry combustion
ONORM M 6273-2000 Water analysis-Analysis of activated sludge-Determination of the settled share of sludge volume,the dry residue and the sludge volume index
ONORM M 6290-1988 Analysis of sewage Sludge; digestion with aqua regia for the determination of acid soluble mineral components
ONORM M 6630-1992 Water analysis - Test for the inhibition of oxygen consumption by activated Sludge
ONORM M 6281-1991 Water analysis — Determination of total chlorine by iodometric ütration

NO-SN, Sewage Total Nitrogen 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
NS 4796-1987 Water analysis - Determination of total cyanide

Professional Standard - Urban Construction, Sewage Total Nitrogen Analysis

CJ/T 77-1999 Municipal sewage.Determination of total nitrogen.Distillation and titration method
CJ 26.27-1991 Municipal sewage water quality inspection method standard Determination of total nitrogen Titration method after distillation
CJ/T 63-1999 Municipal sewage.Determination of aniline compounds.AZO spectrophotometric method
CJ/T 76-1999 Municipal sewage.Determination of nitrogen(nitrite).Sepectrophotometric method
CJ/T 78-1999 Municipal sewage.Determination of total phosphorus.Spectrophotometric method
CJ 26.13-1991 Municipal sewage water quality test method Determination of standard aniline Azo spectrophotometric method
CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method
CJ 26.28-1991 Municipal sewage water quality inspection method standard Determination of total phosphorus spectrophotometric method
CJ/T 70-1999 Municipal sewage.Determination of total chromium.1.5 diphenylcarbohydrazide spectrophotometric method

SE-SIS, Sewage Total Nitrogen Analysis

SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
SIS SS 02 81 99-1990 Guidelines for the determination of total organic carbon (TOC) in water
SIS 02 81 27-1974 Determ i nation of total phosphorous content of water
SIS SS 02 81 76-1986 Determination of total cyanide in water - Photometric or titrimetric method

Japanese Industrial Standards Committee (JISC), Sewage Total Nitrogen 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 0102-2:2022 Testing methods for industrial water and industrial wastewater -- Part 2: Inorganic anions, ammonium ion, organic nitrogen, total nitrogen and total phosphorus
JIS K 0170-1:2011 Testing methods for water quality by flow analysis -- Part 1: Ammonium nitrogen
JIS K 0170-1:2019 Testing methods for water quality by flow analysis -- Part 1: Ammonium nitrogen

ZA-SANS, Sewage Total Nitrogen Analysis

SANS 5922:1978 Total moisture content of coal (nitrogen-oven method)
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
SANS 11732:2006 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection

Danish Standards Foundation, Sewage Total Nitrogen Analysis

DS 224:1975 Water analysis. Determination of ammonia-nitrogen
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
DS 292:1985 Water analysis. Total phosphor. Photometric method
DS 250:1973 Water analysis. Determination of the sum of calcium and magnesium
DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
DS 291:1985 Water analysis. Phosphate. Photometric method
DS/EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection

NL-NEN, Sewage Total Nitrogen 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
NEN 6483-1982 Water - Potentiometric determination of the total fluoride content

Professional Standard - Agriculture, Sewage Total Nitrogen Analysis

SL/T 788.1-2019 Part 1: Determination of total nitrogen in water quality
水产品质量安全检验手册 1.2.3.1-2005 Chapter 1 General Introduction Section 2 Analytical Methods for Aquatic Products Inspection 3. Chemical Analysis (1) Qualitative Analysis
水产品质量安全检验手册 1.2.3.2-2005 Chapter 1 General introduction Section 2 Analysis method of aquatic product inspection 3. Chemical analysis method (2) Quantitative analysis

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

GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method

Association Francaise de Normalisation, Sewage Total Nitrogen Analysis

NF EN ISO 13395:1996 Qualité de l'eau - Détermination de l'azote nitreux et de l'azote nitrique et de la somme des deux par analyse en flux (CFA et FIA) et détection spectrométrique
NF X31-418*NF ISO 13878:1998 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
NF T20-295:1968 CHEMICAL ANALYSIS OF SULPHURIC ACID AND OLEUM. DETERMINATION OF TOTAL NITROGEN.
NF ISO 13878:1998 Qualité du sol - Détermination de la teneur totale en azote par combustion sèche ("analyse élémentaire")
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 P16-150-1:1996 Drain and sewer systems outside buildings. Part 1 : generalities and definitions.
NF EN ISO 11732:2005 Qualité de l'eau - Dosage de l'azote ammoniacal - Méthode par analyse en flux (CFA et FIA) et détection spectrométrique
NF T90-080:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection.
NF T90-080*NF EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection.

BE-NBN, Sewage Total Nitrogen Analysis

NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
NBN T 91-253-1976 Water analysis methods - Determination of the albuminoid nitrogen
NBN T 91-252-1976 Water analysis methods - Determination of the ammoniacal nitro-gen after preliminary distillation
NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN T 91-256-1977 Water analysis methods - Determination of the nitrate nitrogen -Photometric method with chromotropic acid
NBN T 91-254-1976 Water analysis methods - Determination of the ammoniacal nitrogen -Direct photometric methodwith sodium phenate

Professional Standard - Commodity Inspection, Sewage Total Nitrogen Analysis

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

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

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 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 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
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 11732-2008(2018) Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS I ISO 11732:2008 Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS E ISO 11722:2007 Solid mineral fuels－Hard coal－Determination of moisture in the general analysis test sample by drying in nitrogen
KS E ISO 11722:2017 Solid mineral fuels－Hard coal－Determination of moisture in the general analysis test sample by drying in nitrogen
KS B ISO 21018-1-2014(2019) Hydraulic fluid power — Monitoring the level of particulate contamination of the fluid — Part 1: General principles

European Committee for Standardization (CEN), Sewage Total Nitrogen 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
EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
EN 12144:1996 Fruit and vegetable juices - Determination of total alkalinity of ash - Titrimetric method

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

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 6332:1982 Water analysis — Determination of iron — 1,10-phenanthroline photometric method
ISO 15672:2000 Rubber and rubber additives - Determination of total nitrogen content using an automatic analyser
ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
ISO 11722:1999 Solid mineral fuels - Hard coal - Determination of moisture in the general analysis test sample by drying in nitrogen
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

VN-TCVN, Sewage Total Nitrogen Analysis

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

AENOR, Sewage Total Nitrogen 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 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).

未注明发布机构, Sewage Total Nitrogen Analysis

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 8005-2:1987(2000) Sewerage — Part 2 : Guide to pumping stations and pumping mains
BS 1016-1:1973(1999) Methods for The analysis and testing of coal and coke — Part 1 : Total moisture of coal

HU-MSZT, Sewage Total Nitrogen Analysis

British Standards Institution (BSI), Sewage Total Nitrogen Analysis

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
BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
DD ISO/TS 12902:2002 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen. Instrumental methods
BS ISO 15672:2000 Rubber and rubber additives - Determination of total nitrogen content using an automatic analyser
BS ISO 5068-1:2007 Brown coals and lignites - Determination of moisture content - Indirect gravimetric method for total moisture
BS EN ISO 11732:2005 Water quality. Determination of ammonium nitrogen. Method by flow analysis (CFA and FIA) and spectrometric detection

American Society of Civil Engineers (ASCE), Sewage Total Nitrogen Analysis

ASCE MOP 100-2001 Groundwater Contamination by Organic Pollutants: Analysis and Remediation

German Institute for Standardization, Sewage Total Nitrogen Analysis

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 ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis") (ISO 13878:1998)
DIN EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005); German version EN ISO 11732:2005
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
DIN EN 12144:1996 Fruit and vegetable juices - Determination of total alkalinity of ash - Titrimetric method; German version EN 12144:1996

Lithuanian Standards Office , Sewage Total Nitrogen 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)

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

GB/T 23835.12-2009 Lithium perchlorate anhydrous.Part 12:Determination of total nitrogen content
GB/T 14422-2008 Analysis of water used in boiler and cooling systems.Determination of benzotriazole
GB/T 6730.24-1986 Methods for chemical analysis of iron ores--The arsenazo 3 photometric method for the determination of rare earth elements content
GB/T 13580.1-1992 General princeptes for analytial methods of the wet precipitation
GB/T 17923-1999 Analysis method for oil-bearing waste water from marine petroleum development industry
GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
GB/T 14422-1993 Analysis of water used in boiler and cooling system. Determination of benzotriazole. Ultraviolet spectrophotometry
GB 223.49-1985 Methods for chemical analysis of iron,steel and alloy--The extraction separation-chlorophosphonazo mA photometric method for the determination of rare earth elements
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 15079.12-1994 Molybdenum concentrates-Determination of oil and moisture content

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

T/CHES 15-2017 Determination of Total Nitrogen in Water Quality Gas Phase Molecular Absorption Spectrometry
T/GRM 046-2022 Determination of Mercury in Gas Field Water
T/CHES 27-2019 Water Quality Determination of Ammonia Nitrogen Automatic Analysis Nessler's Reagent Spectrophotometry

Heilongjiang Provincial Standard of the People's Republic of China, Sewage Total Nitrogen Analysis

DB23/T 2668-2020 Technical regulations for staged diagnosis of total nitrogen fertilizer control in rice

Professional Standard - Machinery, Sewage Total Nitrogen Analysis

JB/T 20178-2017 Pharmaceutical grade water.Total organic carbon analyzer

NZ-SNZ, Sewage Total Nitrogen Analysis

NZSR 33-1968 METHODS OF ANALYSIS FOR SEWAGE AND MONITORING OF TRADE WASTES FOR SEWAGE TREATMENT PLANTS ONLY

CEN - European Committee for Standardization, Sewage Total Nitrogen Analysis

EN ISO 11732:1997 Water Quality - Determination of Ammonium Nitrogen by Flow Analysis (CFA and FIA) and Spectrometric Detection

Xinjiang Provincial Standard of the People's Republic of China, Sewage Total Nitrogen Analysis

DB65/T 602.2-2001 The determinanation of hydrolyzable nitrogen in soil

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

AS 1038.2:2006 Coal and coke - Analysis and testing - Coke - Total moisture
AS 1038.1:2001 Coal and coke - Analysis and testing - Higher rank coal - Total moisture

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

GB 13580.1-1992 General principles for analytical methods of the wet precipitation

Yunnan Provincial Standard of the People's Republic of China, Sewage Total Nitrogen Analysis

DB53/T 625-2014 Determination of Total Phosphorus in Coking Sewage by Phosphomolybdenum Blue Spectrophotometry

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

ASTM G210-13(2018) Standard Practice for Operating the Severe Wastewater Analysis Testing Apparatus
ASTM G144-96 Standard Test Method for Determination of Residual Contamination of Materials and Components by Total Carbon Analysis Using a High-Temperature Combustion Analyzer
ASTM G144-01(2006) Standard Test Method for Determination of Residual Contamination of Materials and Components by Total Carbon Analysis Using a High Temperature Combustion Analyzer
ASTM G144-01(2022) Standard Test Method for Determination of Residual Contamination of Materials and Components by Total Carbon Analysis Using a High Temperature Combustion Analyzer

水利部, Sewage Total Nitrogen Analysis

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

TR-TSE, Sewage Total Nitrogen Analysis

TS 3651-1981 METHODS FOR THE ANALYSIS OF WATER — DETERMINATION OF IRON CONTENT — 1,10 Phenanthroline Spectrophotometry Method

BELST, Sewage Total Nitrogen Analysis

STB 17.13.05-43-2015 Еnvironmental pгоtесtion and nature use. Analytic (laboratory) control and monitoring of the environment. Water quality. Determination of the concentration of nitrogen of nitrates by photometric method with salicylic acid
STB 17.13.05-33-2014 Еnvironmental pгоtесtion аnd nature use. Analytic control and monitoring. Water quality. Determination of the concentration of chromium (VI) and total chromium in water photometrically with diphenylcarbazide

Professional Standard - Aviation, Sewage Total Nitrogen Analysis

HB 5218.14-1995 Aluminum Alloy Chemical Analysis Method Tribromoarsine Spectrophotometric Determination of Total Rare Earth in Cerium Group
HB 5297.25-2001 Methods of chemical analysis of titanium alloys - Determination of nitrogen content by steam distillation
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

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, Sewage Total Nitrogen Analysis

GB/T 34500.5-2017 Chemical analysis methods for rare earth residue and waste water—Part 5：Determination of ammonia nitrogen content

Professional Standard - Nuclear Industry, Sewage Total Nitrogen Analysis

EJ 194.2-1982 Environmental samples.Method for analyzing total trace of mercury in water

Professional Standard - Electricity, Sewage Total Nitrogen Analysis

DL/T 502.1-2006 Analytical methods of steam and water in power plants.Part 1: General rule

Zhejiang Provincial Standard of the People's Republic of China, Sewage Total Nitrogen Analysis

DB3305/T 114.1-2019 Construction and Management Specifications for Zero Direct Sewage Discharge Area Part 1: General Rules
DB33/T 2450.1-2022 Technical specifications for the construction of "Zero Direct Sewage Discharge Area" in cities and towns Part 1: General Provisions

Fujian Provincial Standard of the People's Republic of China, Sewage Total Nitrogen Analysis

DB35/T 1144-2011 Determination of inorganic nitrogen and active phosphate in seawater by flow chemical analysis

RU-GOST R, Sewage Total Nitrogen Analysis

GOST 17.1.5.01-1980 Nature protection. Hydrosphere. General requirements for sampling of botton sediments of water objects for their pollution analysis

US-FCR, Sewage Total Nitrogen Analysis

FCR FED MCD-39-1978 ANALYSIS OF OPERATIONS AND MAINTENANCE COSTS FOR MUNICIPAL WASTEWATER TREATMENT SYSTEMS

国家能源局, Sewage Total Nitrogen Analysis

SY/T 7431-2018 Recommended practices for overall performance analysis of deepwater floating structures

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

YS/T 575.14-2006 Chemical analysis method of bauxite ore-tribromoarsine spectrophotometric determination of total rare earth oxides
YS/T 555.12-2006 Method for chemical analysis of molybdenum concentrate - Determination of total oil and water content

Association of German Mechanical Engineers, Sewage Total Nitrogen Analysis

VDI 2453 Blatt 2-2002 Gaseous air pollution measurement - Measurement of concentration of nitrogen monoxide and nitrogen dioxide - Calibration of NO/NOx chemiluminescence analysers using gas phase titration

KR-KS, Sewage Total Nitrogen Analysis

KS E ISO 11722-2017 Solid mineral fuels－Hard coal－Determination of moisture in the general analysis test sample by drying in nitrogen

IN-BIS, Sewage Total Nitrogen Analysis

IS 4111 Pt.4-1968

Professional Standard - Geology, Sewage Total Nitrogen Analysis

DZ/T 0064.23-2021 Analytical methods for groundwater quality - Part 23: Determination of iron content by phenanthroline spectrophotometric method
DZ/T 0064.57-2021 Analytical Methods of Groundwater Quality Part 57: Determination of Ammonia Nitrogen by Nessler's Reagent Spectrophotometry