GB/T 38406-2019
Leather chemicals—Determination of tannin content in synthetic tanning agents
GB/T 22599-2008
Water treatment chemicals - Determination of arsenic content
GB/T 22598-2008
Water treatment chemicals - Determination of lead content
GB/T 38410-2019
Leather chemicals—Determination of tannin content in tanning agent—Filter method
HG/T 6103-2022
HG/T 5813-2020
HG/T 5814-2020
HG/T 5813\uff5e5814-2020
GB/T 36791-2018
Determination of bromine in organic flame retardant—Oxygen bomb combustion-ion selective electrode method
QB/T 4201-2011
Leather chemical-Determination of formaldehyde in resins
GB/T 27843-2011
Chemicals - Determination of the low molecular weight content of a polymer using Gel permeation chromatography(GPC)
GB/T 29492-2013
Chemicals applied in digital printing materials - The determination of triazines B - Reversed phase high performance liquid chromatography
GB/T 20432.6-2008
Photography - Photographic-grade chemicals - Test methods - Part 6: Determination of halide content
SN/T 5165-2019
HG/T 6116-2022
GB/T 20432.5-2007
Photography Photographic-grade chemicals - Test methods Part 5: Determination of heavy metals and iron content
SN/T 3128-2012
Determination of oxygen element in organic chemicals-Elemental analyzer method
HG/T 2414-2007
Photographic chemicals The method for the determination of the color couples Reversed phase high performance liquid chromatography
HG/T 2535-2007
Photographic chemicals The method for the determination of sensitization dyes Reversed phase high performance liquid chromatography
HG/T 5543~5545-2019