HG/T 6157-2023
HG/T 6157-2023
Determination of butyl hydroxy anisole, dibutyl hydroxy toluene and ethoxyquin in feeds
HG/T 6157-2023
Heavy oxygen(18O)water
HG/T 6157-2023
Determination of butyl hydroxy anisole,dibutyl hydroxy toluene,ethoxyquin and propyl gallate in feeds
HG/T 6157-2023
Ductile iron pipes,fittings and accessories—Epoxy coating(heavy-duty)
HG/T 6157-2023
Ductile iron pipes, fittings and accessories—Epoxy coating (heavy-duty)
HG/T 6157-2023
Food contact materials for export-Polymers-Certain epoxy derivatives subject to limitation-Determination of NOGE and its hydroxy and chlorinated derivatives
HG/T 6157-2023
HG/T 6157-2023
Determination of chemical oxygen demand of coal mine water (method of potassium dichromate)
HG/T 6157-2023
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 6157-2023
Test method for measuring oxygen contamination in heavily doped silicon substrates by secondary ion mass spectrometry
HG/T 6157-2023
HG/T 6157-2023
Potassium Dinitrohydroxy Hydrobenzofuroxan (For Use in Ammunition)
HG/T 6157-2023
Helium-Oxygen diving equipment model 6071 HY
HG/T 6157-2023
HG/T 6157-2023
Rubber and rubber products—Determination of the composition of vulcanizates and uncured compounds by thermogravimetry—Part 3:Hydrocarbon rubbers,halogenated rubbers and polysiloxane rubbers after extraction
HG/T 6157-2023
Materials and articles in contact with foodstuffs. Certain epoxy derivatives subject to limitation. Determination of NOGE and its hydroxy and chlorinated derivatives
HG/T 6157-2023
HG/T 6157-2023
Materials and articles in contact with foodstuffs. Certain epoxy derivatives subject to limitation. Determination of BADGE, BFDGE and their hydroxy and chlorinated derivatives in food simulants
HG/T 6157-2023