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Total phenols in wastewater

Total phenols in wastewater, Total:238 items.

In the international standard classification, Total phenols in wastewater involves: Water quality, Analytical chemistry, Organic chemicals, Air quality, Ferroalloys, General methods of tests and analysis for food products, Radiation measurements, Wastes, Fruits. Vegetables, Vocabularies, ENVIRONMENT. HEALTH PROTECTION. SAFETY, Construction materials, Pesticides and other agrochemicals, Nuclear energy engineering, Products of the chemical industry, Radiation protection, Microbiology, Environmental protection, Burners. Boilers.


CZ-CSN, Total phenols in wastewater

PL-PKN, Total phenols in wastewater

  • PN C04602-05-1989 Water and waste water Tests for phenols Determination of phenol, cresols and xylenols in water by gas chromatography
  • PN C04608 ArkusZ10-1973 Water and waste water Tests for pesticides Determination of DNOC and dinoseb by thinlayer chromato- graphy method
  • PN C04602 ArkusZ04-1972 Water and waste water Tests for phenols Determination of volatile phenols above 10 mg/l by titrimetric brometric method
  • PN C97087-1987 UV Spectrophotometric determination of phenols in coke and waste waters
  • PN C04602 ArkusZ02-1972 Water and waste water. Tests for phenols. Determination of vola.tile phenols to 0,5 mg/l by colorimetric method with 4-aminoantipyirine
  • PN C04602 ArkusZ01-1972 Wa?er and waste water Tests for phenols Introduction and rang? of standard
  • PN C04540-04-1991 Water and waste water Tests for pH, acidity and alkalinity Determination of pH, total acidity and alkalinity in waste water with great content of iron and aluminium
  • PN C04540-05-1991 "Watcr and waste water Tests for pH, acidity and alkalinily Determination of pH, minera! and total acidity and alkalinity m sludges of urban wastc waters
  • PN C04602 ArkusZ03-1972 Water and waste water Tests for phenols Determination of volatile phenols by colorimetric imethod with 4-aminoantipyrine Rang?: above 0,5 to 10,0 mg/l
  • PN C04570-08-1987 Water and waste water Tests for metals by atomie absorption spectrometry Determination of total chromium
  • PN C04537-09-1991 Water and waste water Tests for phosphates Determination of total phosphorus
  • PN C04576 ArkusZ14-1973 Water and w?sie water Tes?s for nitrogen Calcula?ion of to?al nitrogen
  • PN C04567 ArkusZ07-1971 Water and waste water. Study of silica content. Determination of to- tal silica by gravimetric method
  • PN C04567 ArkusZ08-1971 Water and waste water Study of silica content Determination of total silica by colorimetric methods
  • PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl
  • PN C04608 ArkusZ02-1972 Water and waste water Tests for pesticides Determination of DDT, gamma HCH, methoksychlor and toxaphene by thin-layer chromatography method
  • PN C04571-1993 Water and waste water. Determination of silver
  • PN C04574-1975 Water and waste water Determination of antimon
  • PN C04611 ArkusZ05-1972 Water and waste water Tests for copper Determination of copper in boilers water flow cirkuits at thermal power stations by colorimetric method with 4-(2-pyridylazo)-resorcinol Rang?: 0,010 -r- 0,20 mg/l
  • PN C04568-1971 Water and waste water Determination of methyl alcohol content
  • PN C04586 ArkusZ05-1973 Water and waste water Tests for iron Determination of total anddissolved iron by EDTA method Rang?: above 10 mg/l
  • PN C04642-05-1991 Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of nitrite and the sum of nitrate and nitrite by colorimetric method
  • PN C04570-07-1987 Water and waste water Test for metals by atomie absorption Determination of the total chromium in water with preliminary concentration by chelation and extraction
  • PN M34141-03-1986 Installations for waste water treatment and utilization from installation to waste water treatment Installations for neutralization of waste water Reguirements and acceptant test
  • PN C04555-1974 Water and waste water Determination of germanium by colorimetric method
  • PN C04593-1971 Water and waste water Determination of formaldehyde content
  • PN C04638-02-1989 Water and waste water Ion balance of water Method of calculation ion balance of water
  • PN C04590-02-1992 Water and waste water Tests for manganese Determination of manganese by permanganate method
  • PN C04590-03-1992 Water and waste water Tests for manganese Determination of manganese by formaldoxime method
  • PN C04591 ArkusZ04-1974 Woda i ?cieki Badania zawarto?ci jonu potasowego Oznaczanie jonu potasowego metod? kolorymetryczn?
  • PN C04574-1991 Water and waste water. Determination of antimony by colorimetric method with rodamina B
  • PN C04587 ArkusZ02-1973 Water and waste water Tests for sodium Determination of sodium by titrimetric method
  • PN C04594-01-1988 Water and waste water Tests for arsenieDetermination of arsenie by method with AgDDTK
  • PN C04596-03-1990 Water and waste water Tests for zinc Determination of zinc by EDTA method
  • PN C04605-03-1992 Water and waste water Tests for aluminium Determination of aluminium by EDTA method
  • PN C04638-03-1988 Water and waste water ?on balance of water Analytical verification of ion balance in water
  • PN C04642-02-1991 Water and waste water Tests of pollutants in atmospheric precipitation Sampling
  • PN C04560-04-1991 Water and waste water Tests for cadmium Determination of cadmium by voltammetry
  • PN C04595-06-1991 Water and waste water Tests for lead Determination of lead by voltammetry
  • PN C04596-05-1992 Water and waste water Tests for zinc Determination of zinc by yoltammetry
  • PN C04611-06-1992 Water and waste water Tests for copper Determination of copper by voltammetry
  • PN C04540-02-1990 Water and waste water Tests for pH, acidity and alkalinity Determination of minera? and total icidity and alkalinity by potentiometric titration method
  • PN C04537-06-1991 Water and waste water Test for phosphates Determination of disolvet polyphosphates
  • PN C04560 ArkusZ00-1974 Water and was?e water Tes?s for cadmium Introduction and scope of ?he standard
  • PN C04560-01-1991 Water and waste water Test for cadmium Determination of cadmium by dithizonemethod
  • PN C04567 ArkusZ01-1971 Water and waste water Study of silica content Introduction
  • PN C04587 ArkusZ01-1973 Water and waste water Tests for sodium Determination of sodium by fla- me photometric method
  • PN C04591 ArkusZ01-1974 Water and waste water Tests for potassium Determination of potassium by flame photometric method
  • PN C04595 ArkusZ00-1974 Water and waste water Tests for lead Introduction and scope of the standard
  • PN C04595-02-1990 Water and waste water Test for lead Determination of lead by dithizone method
  • PN C04596-01-1990 Water and waste waterTests for zinc Determination ol zinc by dithizone method
  • PN C04605-02-1992 Water and waste water Tests for aluminium Determination of aluminium by method with eriochromocyamine R
  • PN C04633-01-1987 Water and waste water Test for carbon Introduction and scope of the standard
  • PN C04586-02-1990 Water and waste water Test for iron Determination of total and total dissolved iron by spectrophotometric method with bathophenanthroline Rang?: 0,002 H- 0,030 mg/l
  • PN C04642-01-1991 Water and waste water Tests of pollutants in atmospheric precipitation General
  • PN C04633-02-1987 Water and waste water Test for carbon Determination of total inorganic and organie carbon unsing gas-chromatography method

Taiwan Provincial Standard of the People's Republic of China, Total phenols in wastewater

  • CNS 9181-1982 Methods of Test for Phenols in Industrial Waste Water
  • CNS 9182-1982 Method of Test for P - Cresols in Industrial Waste Water
  • CNS 9001-1982 Method of Test for Pentachlorophenol in Industrial Waste Water
  • CNS 8032-1981 Method of Test for TC (Tatal Carbon) and TOC (Total Organic Carbon) in Water and Waste Water
  • CNS 12686-1990 Methods for Determination of Phenols in Exhaust Gas
  • CNS 3822-1975 Method for Determination of Gross Alpha Radiation in Polluted and Waste Water.
  • CNS 3823-1975 Method for Determination of Gross Beta Radiation in Polluted and Waste Water.
  • CNS 3944-1976 Method for Determination of Total Kjeloahl Nitrogen in Polluted and Waste Water
  • CNS 10010-1983 Method of Test for Fluoride in Water and Wastewater (SPADNS Method)
  • CNS 8031-1981 Method of Test for Residual Chlorine in Waste Water
  • CNS 10009-1983 Method of Test for Fluoride in Water and Wastewater (Electrode Method)
  • CNS 5858-1981 Methods of Test for Chloride Ion in Waste Water
  • CNS 9414-1982 Method of Test for Silica in Water and Wastewater - Heteropoly Blue Method
  • CNS 9413-1982 Method of Test for Silica in Water and Wastewater - Molybdosilicate Method
  • CNS 8841-1993 Method of Test for Calcium in Industrial Waste Water(Titrimetric Method)
  • CNS 8840-1993 Method of Test for Magnesium in Industrial Waste Water(Titrimetric method)
  • CNS 5862-1984 Method of Test for Sulfate Ion in Water and Wastewater (Gravimetric Method)
  • CNS 13354-1994 Method of Analysis for Total Zinc in Wastes by Flame Atomic Absorption Spectrophotometry
  • CNS 8600-1982 Method of Test for Sulfide Ion in Industrial Waste Water
  • CNS 9183-1982 Methods of Test for Surface Acitve Agent in Industrial Waste Water
  • CNS 9002-1982 Methods of Test for EDDP in Industrial Waste Water

Indonesia Standards, Total phenols in wastewater

  • SNI 19-4794-1998 Test methods for pentachlorophenol in water and waste water
  • SNI 06-6989.21-2004 Water and waste water - Test methods of phenol content by spectrophotometry
  • SNI 19-1656-1989 Water and waste water, Test method for phenol content
  • SNI 06-6989.12-2004 Water and waste water - Part 12: Test methods of hardness of calcium (Ca) and magnesium (Mg) total by titrimetry methods
  • SNI 06-6989.3-2004 Water and waste water - Part 3: Test methods of total suspended solid (TSS) by gravimetry
  • SNI ISO 9697:2009 Water quality - Measurement of gross beta activity in non-saline water - Thick source method
  • SNI 19-6036-1999 Test method for hydrogen peroxide (H2O2) in waste water
  • SNI 6989.76-2011 Water and waste water - Part 76: Determination of total cyanide (CN-T) by ion selective electrode

Japanese Industrial Standards Committee (JISC), Total phenols in wastewater

Association Francaise de Normalisation, Total phenols in wastewater

  • NF T90-204:1979 Essais des eaux - Effluents aqueux des raffineries de pétrole - Dosage des phénols
  • NF X30-480:2007 Characterization of waste - Determination of total dissolved solids (TDS) in water and eluates.
  • NF EN 12673:1999 Qualité de l'eau - Dosage par chromatographie en phase gazeuse de certains chlorophénols dans les eaux
  • NF T90-126*NF EN 12673:1999 Water quality - Gas chromatographic determination of some selected chlorophenols in water
  • NF ISO 13344:2016 Détermination du pouvoir toxique létal des effluents du feu
  • NF M60-333:2011 Énergie nucléaire - Technologie du cycle du combustible - Déchets - Détermination de l'activité de l'iode 129 dans des effluents et déchets
  • NF X30-404:2001 Characterization of waste - Determination of total organic carbon (TOC) in waste, sludges and sediments.
  • NF EN 1014-4:2010 Produits de préservation du bois - Créosote et bois créosoté - Méthodes d'échantillonnage et d'analyse - Partie 4 : détermination de la teneur en phénols extractibles à l'eau de la créosote
  • NF M60-338:2015 Measurement of bêta activity in effluents and waste by liquid scintillation counting method

Korean Agency for Technology and Standards (KATS), Total phenols in wastewater

RO-ASRO, Total phenols in wastewater

FI-SFS, Total phenols in wastewater

农业农村部, Total phenols in wastewater

  • NY/T 3297-2018 Determination of total phenols and tocopherols in rapeseed by near-infrared spectroscopy

Danish Standards Foundation, Total phenols in wastewater

  • DS 281:1975 Water analysis. Determination of phenol in water
  • DS/EN 15216:2008 Characterization of waste - Determination of total dissolved solids (TDS) in water and eluates
  • DS 280:1976 Water analysis. Determination of sulphide in waste water
  • DS/EN 13137:2001 Characterization of waste - Determination of total organic carbon (TOC) in waste, sludges and sediments
  • DS/EN 12673:1999 Water quality - Gas chromatographic determination of some selected chlorophenols in water
  • DS/EN 1014-4:2010 Wood preservatives - Creosote and creosoted timber - Methods of sampling and analysis - Part 4: Determination of the water-extractable phenols content of creosote

RU-GOST R, Total phenols in wastewater

Professional Standard - Nuclear Industry, Total phenols in wastewater

  • EJ/T 20091-2014 Determination of total β activity in intermediate level radioactive liquid waste and its sludge.β counting method
  • EJ/T 20093-2014 Determination of total α activity in intermediate level radioactive liquid waste and its sludge.TRPO extraction α counting method

Lithuanian Standards Office , Total phenols in wastewater

  • LST EN 15216-2008 Characterization of waste - Determination of total dissolved solids (TDS) in water and eluates
  • LST EN 13137-2002 Characterization of waste - Determination of total organic carbon (TOC) in waste, sludges and sediments
  • LST EN 12673-2000 Water quality - Gas chromatographic determination of some selected chlorophenols in water
  • LST EN 1014-4-2010 Wood preservatives - Creosote and creosoted timber - Methods of sampling and analysis - Part 4: Determination of the water-extractable phenols content of creosote

CEN - European Committee for Standardization, Total phenols in wastewater

  • EN 15216:2007 Characterization of waste - Determination of total dissolved solids (TDS) in water and eluates

AENOR, Total phenols in wastewater

  • UNE-EN 15216:2008 Characterization of waste - Determination of total dissolved solids (TDS) in water and eluates
  • UNE 33135:1984 DETERMINATION OF TOTAL POLYPHENOLS IN MUSTS, WINES AND VINEGARS.
  • UNE-EN 12673:1999 WATER QUALITY. GAS CHROMATOGRAPHIC DETERMINATION OF SOME SELECTED CHLOROPHENOLS IN WATER.
  • UNE-EN 1014-4:2010 Wood preservatives - Creosote and creosoted timber - Methods of sampling and analysis - Part 4: Determination of the water-extractable phenols content of creosote

German Institute for Standardization, Total phenols in wastewater

  • DIN EN 15216:2008 Characterization of waste - Determination of total dissolved solids (TDS) in water and eluates; English version of DIN EN 15216:2008-01
  • DIN 38402-11:1995 German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 11: Sampling of waste water (A 11)
  • DIN EN 12673:1999 Water quality - Gas chromatographic determination of some selected chlorophenols in water; German version EN 12673:1998
  • DIN 38402-11:2009 German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 11: Sampling of waste water (A 11)
  • DIN EN 13137:2001 Characterization of waste - Determination of total organic carbon (TOC) in waste, sludges and sediments; German version EN 13137:2001
  • DIN EN 12673:1999-05 Water quality - Gas chromatographic determination of some selected chlorophenols in water; German version EN 12673:1998
  • DIN EN 1014-4:2010-11 Wood preservatives - Creosote and creosoted timber - Methods of sampling and analysis - Part 4: Determination of the water-extractable phenols content of creosote; German version EN 1014-4:2010
  • DIN 38402-16:1987 German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of sea water (A 16)
  • DIN 38402-15:1986 German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of flowing waters (A 15)
  • DIN 38402-14:1986 German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of untreated water and drinking water (A 14)
  • DIN 38402-20:1987 German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of tidal waters (A 20)

Group Standards of the People's Republic of China, Total phenols in wastewater

  • T/GZCX 020-2022 Determination of total phenol content in Rosa roxburghii and its products
  • T/NAIA 097-2021 Determination of total phenolic content in Lycium barbarum by spectrophotometric method
  • T/ZCSIA 8-2023 Determination of total polyphenol content in sweet potato leaves by spectrophotometric method
  • T/GAIA 005-2020 Determination of 2,4-dichlorophenol, 2,4,6-trichlorophenol and pentachlorophenol in water—High performance liquid chromatography-tandem mass spectrometry method
  • T/ZCSIA 7-2023 Spectrophotometric method for determination of total phenolic content in large cherries and their products
  • T/CIMA 0040-2021 Rapid determination of total phosphorus in water

BE-NBN, Total phenols in wastewater

American Society for Testing and Materials (ASTM), Total phenols in wastewater

  • ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
  • ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
  • ASTM D7678-17(2022) Standard Test Method for Total Oil and Grease (TOG) and Total Petroleum Hydrocarbons (TPH) in Water and Wastewater with Solvent Extraction using Mid-IR Laser Spectroscopy
  • ASTM D7678-17 Standard Test Method for Total Oil and Grease (TOG) and Total Petroleum Hydrocarbons (TPH) in Water and Wastewater with Solvent Extraction using Mid-IR Laser Spectroscopy
  • ASTM D8193-18 Standard Test Method for Total Oil and Grease (TOG) and Total Petroleum Hydrocarbon (TPH) in Water and Wastewater with Solvent Extraction Using Non-Dispersive Mid-IR Transmission Spectroscopy
  • ASTM UOP683-86 Sulfide in Refinery Waste Water
  • ASTM UOP683-11 Sulfide in Refinery Waste Water
  • ASTM D7678-11 Standard Test Method for Total Petroleum Hydrocarbons (TPH) in Water and Wastewater with Solvent Extraction using Mid-IR Laser Spectroscopy
  • ASTM D1783-01 Standard Test Methods for Phenolic Compounds in Water
  • ASTM D1783-91(1995) Standard Test Methods for Phenolic Compounds in Water
  • ASTM D4994-89(2002) Standard Practice for Recovery of Viruses from Wastewater Sludges
  • ASTM D1783-01(2020) Standard Test Methods for Phenolic Compounds in Water
  • ASTM D1783-01(2012)e1 Standard Test Methods for Phenolic Compounds in Water
  • ASTM D1783-01(2007) Standard Test Methods for Phenolic Compounds in Water
  • ASTM D1783-01(2012) Standard Test Methods for Phenolic Compounds in Water
  • ASTM E775-87(2004) Standard Test Methods for Total Sulfur in the Analysis Sample of Refuse-Derived Fuel
  • ASTM UOP515-68T Residue and Organic Residue in Waste Waters

British Standards Institution (BSI), Total phenols in wastewater

  • BS ISO 23697-1:2023 Water quality. Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Dimethylphenol colour reaction
  • BS EN 15216:2007 Characterization of waste - Determination of total dissolved solids (TDS) in water and eluates
  • BS EN 12673:1999(2008)*BS 6068-2.65:1999 Water quality - Gas chromatographic determination of some selected chlorophenols in water
  • 21/30426875 DC BS ISO 23697-1. Water quality. Determination of total nitrogen (TNb) in water using small-scale sealed tubes. Part 1. Dimethylphenol based method
  • BS EN 13137:2001 Characterisation of waste - Determination of total organic carbon (TOC) in waste, sludges and sediments
  • BS EN 12673:1999 Water quality. Gas chromatographic determination of some selected chlorophenols in water
  • BS ISO 18191:2015 Water quality. Determination of pHt in sea water. Method using the indicator dye $im-cresol purple
  • BS EN 1014-4:2010 Wood preservatives - Creosote and creosoted timber - Methods of sampling and analysis - Determination of the water-extractable phenols content of creosote
  • BS EN ISO 7899-1:1999 Water quality. Detection and enumeration of intestinal enterococci in surface and waste water. Miniaturized method (Most probable number) for surface and waste water

Professional Standard - Agriculture, Total phenols in wastewater

  • 水和废水监测分析方法 5.2.4-2003 Chapter 5 Water and Wastewater Biological Monitoring Methods Chapter 2 Bacteriological Determination in Water 4 Determination of Total Bacteria in Water (B)
  • 水和废水监测分析方法 5.2.5-2003 Chapter Five Water and Wastewater Biological Monitoring Methods Chapter Two Bacteriological Determination in Water Five Determination of Total Coliform Bacteria in Water (B)
  • 水和废水监测分析方法 5.2.9-2003 Chapter 5 Biomonitoring Methods of Water and Wastewater Chapter 2 Bacteriological Determination in Water 9. Rapid Determination of Total Coliforms in Water and Fecal Coliforms (C)
  • NY/T 2012-2011 Determination of free phenolic acid in fruits and derived products
  • 627药典 一部-2020 Vegetable oils and extracts Salvia miltiorrhiza water extract (Salvia miltiorrhiza total phenolic acid extract)

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Total phenols in wastewater

  • GB/T 15451-2006 Industrial circulating cooling water Determination of total and composite alkalinity
  • GB/T 4918-1985 Waste water from manufacturing process--Determination of total nitro compounds--Spectrophotometric method
  • GB/T 4919-1985 Waste water from manufacturing process--Determination of total nitro compounds--Gas chromatographic method
  • GB 4919-1985 Determination of Total Nitro Compounds in Industrial Wastewater by Gas Chromatography

ES-AENOR, Total phenols in wastewater

International Organization for Standardization (ISO), Total phenols in wastewater

  • ISO 23697-1:2023 Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reaction
  • ISO 18191:2015 Water quality - Determination of pHt in sea water - Method using the indicator dye m-cresol purple
  • ISO/CD 17273 Waste management and reduction in aquaculture

其他未分类, Total phenols in wastewater

Professional Standard - Chemical Industry, Total phenols in wastewater

  • HG 5-1341-1980 Method for Determination of Moisture Content in Phenolic Resin

中华人民共和国国家卫生和计划生育委员会, Total phenols in wastewater

  • WS/T 88-1996 Method for determination of total fluorine in coal and soil.Combustion-bydrolysis-ion selective electrode method

API - American Petroleum Institute, Total phenols in wastewater

Qinghai Provincial Standard of the People's Republic of China, Total phenols in wastewater

Universal Oil Products Company (UOP), Total phenols in wastewater

European Committee for Standardization (CEN), Total phenols in wastewater

  • EN 12673:1998 Water quality - Gas chromatographic determination of some selected chlorophenols in water
  • EN 13137:2001 Characterization of waste - Determination of total organic carbon (TOC) in waste, sludges and sediments

Professional Standard - Water Conservancy, Total phenols in wastewater

  • SL 463-2009 Determination of phenols in water by gas chromatography

National Metrological Technical Specifications of the People's Republic of China, Total phenols in wastewater

SE-SIS, Total phenols in wastewater

AT-ON, Total phenols in wastewater

American Society of Civil Engineers (ASCE), Total phenols in wastewater

TR-TSE, Total phenols in wastewater

Military Standard of the People's Republic of China-General Armament Department, Total phenols in wastewater

中华全国供销合作总社, Total phenols in wastewater

  • GH/T 1259-2019 Near-infrared spectroscopic determination of moisture, tea polyphenols and caffeine content in tea polyphenol products

未注明发布机构, Total phenols in wastewater

  • DIN EN 1014-4:1995 Wood preservatives — Creosote and creosoted timber — Methods for sampling and analysis — Part 4: Determination of the water-extractable phenols content of creosote

NO-SN, Total phenols in wastewater

  • NS 3055-1989 Dimensioning of pipelines for supply and waste water in buildings

中华人民共和国环境保护部, Total phenols in wastewater

  • GB 4918-1985 Waste Water from manufacturing process-Determination of total nitro compounds-Spectrophotometric method

Professional Standard - Commodity Inspection, Total phenols in wastewater

  • SN/T 4139-2015 Determination of 2-naphthol residue in fruits and vegetables for export

Shandong Provincial Standard of the People's Republic of China, Total phenols in wastewater

Canadian General Standards Board (CGSB), Total phenols in wastewater





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