HG/T 5521-2019
GB/T 30906-2014
Determination of sodium tripolyphosphate content of sodium tripolyphosphate―Ion chromatography
GB/T 33828-2017
Determination of contents of Fe(Ⅲ) in nano lithium iron phosphate
HG/T 5340-2018
Flame retardant chemical-Melamine phosphate
GB/T 31266-2014
Determination of chloral content for superphosphorate
GB/T 32953-2016
Determination of melamine content for fertilizers—Ion chromatography(IC) method
NY/T 2270-2012
HG/T 6104-2022
SN/T 4590-2016
Determination of sodium pyrophosphate,sodium tripolyphosphate and sodium trimetaphosphate in aquatic products for export-Ion chromatography
HG/T 5340\uff5e5343-2018
GB/T 40394-2021
Determination of trace trimethylamine in methanol for industrial use—Gas chromatography-mass spectrometry
NY/T 3038-2016
SN/T 2941-2011
Determination of melamine in plastic materials and products
HG/T 4075-2008
Phosphorus trichloride for industrial use-Determination of phosphoric acid content-spectrometric method
DB22/T 1613-2012
GB/T 6730.34-2017e
Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method
GB/T 6730.34-2017
Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method
GB/T 9984.11-2004
Sodium tripolyphosphate for industrial use-Determination of I type content
NB/SH/T 6053-2022
HG/T 5859-2021
Determination of component content for 2-biphenylyl diphenyl phosphate (BDP) used in triacetyl cellulose (TAC) film