HG/T 5804-2021
D-(-)-para-hydroxyphenylglycine
HG/T 5804-2021
HG/T 5804-2021
Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—High performance liquid chromatography
HG/T 5804-2021
D(-)Alpha-Parahydroxyphenylglycine Dane Salt(Methyl Potassium)
HG/T 5804-2021
Acrylonitrile for industrial use—Part 15:Determination of concent of p-hydroxylanisole
HG/T 5804-2021
HG/T 5804-2021
HG/T 5804-2021
Determination of benzophenone and methyl p-hydroxybenzoate in aquatic products for export - LC-MS/MS method
HG/T 5804-2021
COSMETIC RAW MATERIALS. ASSAY OF 2,4,4-TRICHLORO-2-HYDROXY-DIPHENYL-ETHER (TRICLOSAN). POTENTIOMETRIC TITRATION.
HG/T 5804-2021
HG/T 5804-2021
HG/T 5804-2021
Determination of hydroquinone,salicylic acid,phenol,2-phenoxyethanol,methyl 4-hydroxybenzoic acid easters,dichlorophen and triclosan in cosmetics for export-Liquid chromatography method
HG/T 5804-2021
Test method of purified terephthalic acid (PTA) for industrial use―Part 1:Determination of concentrations of 4-carboxybenzaldehyde (4-CBA) and p-toluic acid (p-TOL)
HG/T 5804-2021
HG/T 5804-2021
Acrylonitrile for industrial use—Determination of content of p-hydroxylanisole—Spectrophotometric method
HG/T 5804-2021
HG/T 5804-2021
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).
HG/T 5804-2021
Chemical analysis methods and determination of physical performanceof alumina--Determination of sulfate content--N,N-dimethyl-P-phenylenediamine spectrophotometric method
HG/T 5804-2021
COSMETIC RAW MATERIALS. TEST OF CONTENT OF STERS OF P-HYDROXYBENZOATES. BROMINATION METHOD.
HG/T 5804-2021