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Soil

Soil and sediment–Extraction of organic compounds–Ultrasonic extraction(HJ 911-2017, entry into force on Apr. 1, 2018)

2018-03-13
Soil and sediment–Determination of total mercury–Catalytic pyrolysis-cold atomic absorption spectrophotometry(HJ 923-2017, entry into force on 4/1/2018)

2018-01-26
Soil and sediment–Determination of polychlorinated biphenyls–Gas chromatography(HJ 922-2017, entry into force on 4/1/2018)

2018-01-26
Soil and sediment–Determination of organochlorine pesticides–Gas chromatography(HJ 921-2017, entry into force on 4/1/2018)

2018-01-26
Soil and sediment-Determination of polychlorinated biphenyl mixtures-Gas chromatography(HJ 890-2017, entry into force on 2018-02-01)

2018-01-05
Soil quality-Determination of cation exchange capacity (CEC)-Hexamminecobalt trichloride solution-Spectrophotometric method(HJ 889-2017, effective as of 2018-02-01)

2018-01-05
Soil-Determination of water soluble fluoride and total fluoride-Ion selective electrode method(HJ 873-2017, entry into force on 2018-01-01)

2017-12-26
Soil and sediment–Determination of organochlorine pesticides–Gas chromatography/Mass spectrometry (HJ 835-2017, entry into force as of 2017-09-01)

2017-08-30
Soil and sediment-Determination of semivolatile organic compounds-Gas chromatography/Mass spectrometry (HJ 834-2017, entry into force as of 2017-09-01)

2017-08-30
Soil and sediment-Determination of sulfide-Methylene blue spectrophotometric method (HJ 833-2017, entry into force as of 2017-09-01)

2017-08-30
Soil and sediment-Digestion of total metal elements-Microwave assisted acid digestion method (HJ 832-2017, entry into force as of 2017-09-01)

2017-08-30
Soil and Sediment–Determination of polycyclic aromatic hydrocarbon by Gas chromatography-Mass Spectrometry Method

2016-08-01
Soil - Determination of bioavailable form of eight elements – Extraction with buffered DTPA solution/Inductively coupled plasma optical emission spectrometry

2016-08-01
Soil and sediment-Determination of aqua regia extracts of 12 metal elements-Inductively coupled plasma mass spectrometry

2016-08-01
Soil quality—Determination of conductivity- Electrode method

2016-08-01
Soil and sediment-Determination of inorganic element- Wavelength dispersive X-ray fluorescence spectrometry

2016-02-01
Soil and sediment — Determination of polychlorinated biphenyls（PCBs）— Gas chromatography mass spectrometry

2015-07-01
Soil and sediment—Determination of volatile aromatic hydrocarbons—Headspace gas chromatography

2015-07-01
Soil and sediment—Determination of volatile organic compounds—Headspace gas chromatography

2015-07-01
Soil—Determination of redox potential—Potential method

2015-07-01

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