SN/T 3153-2012
Determination of N,N-bis(2-hydroxyethyl)-p-phenylenediamine,N,N-dimethyl-p-phenylenediamine,N,N-diethyl-p-phenylenediamine,N-phenyl-p-phenylenediamine and their salts in oxidative hair dyes for export-High performance liquid chromatography
SN/T 3153-2012
SN/T 3153-2012
Water quality--Determination of free chlorine and total chlorine--Titrimetric method using N,N-diethyl-1,4-phenylenediamine
SN/T 3153-2012
SN/T 3153-2012
Water quality--Determination of free chlorine and total chlorine--Spectrophotometric method using N,N-diethyl-1,4-phenylenediamine
SN/T 3153-2012
SN/T 3153-2012
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 3153-2012
SN/T 3153-2012
Materials and articles in contact with foodstuffs - Plastics substances subject to limitation - Part 18: Determination of 1,2-dihydroxybenzene, 1,3-dihydroxybenzene, 1,4-dihydroxybenzene, 4,4-dihydroxybenzophenone and 4,4dihydroxybiphenyl in food simulants
SN/T 3153-2012
SN/T 3153-2012
Chemical reagent Arsenazo Ⅲ
SN/T 3153-2012
Water quality — Determination of free chlorine and total chlorine — Part 1: Titrimetric method using N,N-diethyl-1,4-phenylenediamine
SN/T 3153-2012
water quality-Determination of free chlorine and total chlorine-Part 1:Titrimetric method using n,n-diethyl-1,4-phenylenediamine
SN/T 3153-2012
Water quality. Determination of free chlorine and total chlorine-Titrimetric method using N,N-diethyl-1,4-phenylenediamine
SN/T 3153-2012
SN/T 3153-2012
Water quality — Determination of free chlorine and total chlorine — Part 2: Colorimetric method using N,N-diethyl-1,4-phenylenediamine, for routine control purposes
SN/T 3153-2012
Water quality-Determination of free chlorine and total chlorine-Part 2:Colorimetric method using n,n-diethyl-1,4 phenylenediamine for routine control purposes
SN/T 3153-2012
SN/T 3153-2012
SN/T 3153-2012
Water quality — Determination of free chlorine and total chlorine — Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes