GB/T 39689-2020
Surface active agents—Determination of free formaldehyde
GB/T 5560-2003
Nonionic surface active agents--Determination of polyethylene glycols and non-ionic active matter(adducts)--Weilbull method
GB/T 12496.19-2015
Test methods of wooden activated carbon—Determination of iron content
GB/T 5174-2018
Surface active agents—Detergents—Determination of cationic-active matter content—Direct two-phase titration procedure
GB/T 5173-2018
Surface active agents—Detergents—Determination of anionic-active matter content—Direct two-phase titration procedure
GB/T 17041-2012
Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of total active matter content
GB/T 37505-2019
Surface active agents—Determination of quinoline content in dispersing agents
GB/T 35755-2017
Surfactants and detergents—determination of formaldehyde contents
GB/T 13277.7-2021
Compressed air—Part 7:Test method for viable microbiological contaminant content
GB/T 15916-2012
Surface active agents - Determination of chelating agent content - Titrimetric method
GB/T 43548-2023
Determination of metallic element contents in surface active agents and detergents
GB/T 12496.20-1999
Test methods of wooden activated carbon--Determination of zine content
GB/T 12496.3-1999
Test methods of wooden activated carbon--Determination of ash content
GB/T 12496.4-1999
Test methods of wooden activated carbon--Determination of moisture content
GB/T 6366-2012
Surface active agents - Determination of mineral sulfate content - Titrimetric method
GB/T 34682-2017
Determination of volatile organic compound(VOC) content in reactive diluent containing coatings
GB/T 12496.21-1999
Test methods of wooden activated carbon--Determination of calcium and magnesium content
GB/T 5551-2010
Surface active agents - Determination for total calcium ion and magnesium ion contents in dispersing agents
MT/T 1069-2008
Determination for acid soluble content in activated carbon
MT/T 1068-2008
Determination for acid soluble iron content in activated carbon