Water sample nitrite nitrogen

Water sample nitrite nitrogen, Total:27 items.

The international standard classification for "Water sample nitrite nitrogen" includes: Soil quality. Pedology , Fertilizers .

The Chinese standard classification for "Water sample nitrite nitrogen" includes: Soil and fertilizer in general .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 42487-2023 Soil quality—Determination of nitrate, nitrite and ammonium in soils—Extraction with potassium chloride solution and determination using automated method with segmented flow analysis
GB/T 42485-2023 Soil quality—Determination of nitrate, nitrite and ammonium in soils—Extraction with potassium chloride solution and determination with manual method

CNS 4052-1976 Methods for Determination of Nitrite Nitrogen in Polluted and Waste Water

T/CPCIF 0168-2021 Rapid detection kits for nitrite，nitrate and ammonia nitrogen in water

HG/T 6268-2024 Treatment and disposal methods of nitrate nitrogen waste liquid (water)

NY/T 1116-2014 Fertilizer - Determination for content of nitrate nitrogen, ammonium nitrogen and amidonitrogen

SFS 3029 E-1976 In the event of any differences in interpretation of this standard the Finnish version shall take precedence over this translation

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 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 U42-149*NF EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen

DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
DS 230:1988 Water quality. Nitrate- + nitrite-nitrogen. Reduction by Devardas alloy

NS 4745:1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4865:1983 Air quality — Determination of the sum of nitrite- and nitrate-nitrogen in precipitation

NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen

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 M ISO 4176-2006(2011) Fertilizers－Determination of nitrate nitrogen content－Nitron gravimetric method

GOST EN 15604-2013 Fertilizers. Determination of different forms of nitrogen in the same sample: nitric, ammoniacal, cyanamide and urea nitrogen

JIS K 0170-2:2011 Testing methods for water quality by flow analysis -- Part 2: Nitrite nitrogen and nitrate nitrogen
JIS K 0170-2:2019 Testing methods for water quality by flow analysis -- Part 2: Nitrite nitrogen and nitrate nitrogen

BS DD CEN/TS 15604:2007 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
BS EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
DD CEN/TS 15604:2007 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen

DIN CEN/TS 15604:2008 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version CEN/TS 15604:2007

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