SN/T 3920-2014
Determination of hydroquinone,salicylic acid,phenol,2-phenoxyethanol,methyl 4-hydroxybenzoic acid easters,dichlorophen and triclosan in cosmetics for export-Liquid chromatography method
SN/T 3920-2014
Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—High performance liquid chromatography
SN/T 3920-2014
Acrylonitrile for industrial use—Part 15:Determination of concent of p-hydroxylanisole
SN/T 3920-2014
SN/T 3920-2014
Test method of styrene for industrial use - Part 8:Determination of content of inhibitor(p-tert-butylcatechol)- Spectrophotometric method
SN/T 3920-2014
Acrylonitrile for industrial use—Determination of content of p-hydroxylanisole—Spectrophotometric method
SN/T 3920-2014
SN/T 3920-2014
Styrene for industrial use—Determination of content of inhibitor(p-tert-butylcatechol)—Spectrophotometric method
SN/T 3920-2014
COSMETIC RAW MATERIALS. TEST OF CONTENT OF STERS OF P-HYDROXYBENZOATES. BROMINATION METHOD.
SN/T 3920-2014
SN/T 3920-2014
SN/T 3920-2014
Standard Test Method for Determination of the Content of Nitroxide Radical (4-Hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl) in Butadiene, Styrene and Isoprene by Cyclic Voltammetry Method
SN/T 3920-2014
SN/T 3920-2014
COSMETIC RAW MATERIALS. ASSAY OF 2,4,4-TRICHLORO-2-HYDROXY-DIPHENYL-ETHER (TRICLOSAN). POTENTIOMETRIC TITRATION.
SN/T 3920-2014
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).