HG/T 5624
HG/T 5624
HG/T 5624
HG/T 5624
Resin finishing agent―Determination total formaldehyde content、free formaldehyde content and methylol formadehyde contend
HG/T 5624
HG/T 5624
Determination of butyl hydroxy anisole,dibutyl hydroxy toluene,tertiary butyl hydroquinone,ethoxyquin and propyl gallate in feeds
HG/T 5624
Determination of butylated hydroxyanisole (BHA) and butylated hydroxytoluene (BHT) in cosmetics - High performance liquid chromatography
HG/T 5624
Determination of benzoic acid,sorbic acid,methylparaben,ethylparaben,propylparaben and butylparaben in tobacco flavourings and casings—High performance liquid chromatographic method
HG/T 5624
Determination of benzophenone and methyl p-hydroxybenzoate in aquatic products for export - LC-MS/MS method
HG/T 5624
Chemical analysis methods and determination of physical performance of alumina--Determination of vanadic oxide content--N-benzoyl-N-phenylhydroxylamine extraction photometric method
HG/T 5624
HG/T 5624
HG/T 5624
Methods for chemical analysis of zirconium and zirconium alloys—Part 18:Determination of vanadium content—N-benzoyl-N-phenyl hydroxylamine spectrophotometry and inductively coupled plasma atomic emission spectrometry
HG/T 5624
Determination of patulin and 5-hydroxymethylfurfural in beverage-LC-MS and GC-MS method
HG/T 5624
Hydroxyacetonitrile for industrial use Determination of hydroxyacetonitrile,formaldehyde and hydrocyanic acid
HG/T 5624
HG/T 5624
HG/T 5624
HG/T 5624
Determination of butyl hydroxy anisole,dibutyl hydroxy toluene,ethoxyquin and propyl gallate in feeds
HG/T 5624
Determination of butyl hydroxy anisole, dibutyl hydroxy toluene and ethoxyquin in feeds