GB/T 40183-2021
Determination of DNA methylation—Pyrosequencing
HG/T 5214-2017
Hypophosphite acid for industrial use
HG/T 4833-2015
Aluminium hypophosphite for industrial use
HG/T 3253-2023
HG/T 5216-2017
Calcium hypophosphite for industrial use
GB/T 1400-2014
Chemical reagent―Hexamethylene tetramine
HG/T 5214~5217-2017
GB/T 9015-1998
Hexamethylene tetramine for industrial use
GB/T 223.67-2008
Iron, steel and alloy - Determination of sulfur content -Methylene blue spectrophotometric method
HG/T 3253-2009
NY/T 3423-2019
Fertilizer synergists-Determination of 3,4-dimethyl-pyrazole phosphate(DMPP) content
HG/T 5713\uff5e5716-2020
HG/T 3253-2000
Sodium hypophosphite for industrial use
20231398-T-606
Hexamethylenetramine for industrial use
GB/T 3654.6-2008
Ferroniobium - Determination of sulfur content - Combustion-iodate titrimetric method,methylene blue photometric method and infrared absorption method
GB/T 33317-2016
Plastics—Phenolic resins—Determination of hexamethylenetetramine content—Kjeldahl method,perchloric acid method and hydrochloric acid method
GB/T 223.32-1994
Methods for chemical analysis of iron,steel and alloy--The hypophosphite reduction-iodimetric method for the determination of arsenic content
GB/T 1400-1993
Chemical reagent—Hexamethylene tetramine
GB 16191-1996
Health standard for trifluoromethyl hypofluorite in the air of workplace
GB 16236-1996
Health standard for cyclonite(RDX) in the air of workplace