GB/T 24583.1-2019(\u82f1\u6587\u7248)
钒氮合金 钒含量的测定 硫酸亚铁铵滴定法
HB/Z 5089.1-2004
Methods for analysis of plating black nickel solutions-Part 1:Determination of ammonium nickel sulfate content by ion selective electrode method
GB/T 6609.18-2004
Chemical analysis methods and determination of physical performanceof alumina--Determination of sulfate content--N,N-dimethyl-P-phenylenediamine spectrophotometric method
GB/T 6730.42-2017(\u82f1\u6587\u7248)
铁矿石 铅含量的测定 双硫腙分光光度法
GB/T 6730.16-2016
Iron ores—Determination of sulfur content—Barium sulfate gravimetric method
GB/T 43012-2023
Pulp—Determination of cellulose nanocrystal sulfur and sulfate half-ester content
NY/T 3038-2016
YB/T 5040-2012
Molybdenum oxide-Determination of sulfur content-Gravimetric method of barium sulfate
GB/T 4333.7-2019
Ferrosilicon—Determination of sulfur content—Infrared absorption method and chromatographic separation-barium sulfate gravimetric method
YB/T 5332-2009
GB/T 21932-2008
Nickel and ferronickel - Determination of sulphur content - Barium sulfate gravimctric method after alumina chromatographic separation
HG/T 2957.4-2004
GB/T 2463-2008
Pyrites and concentrate - Determination of total iron content - Cerium sulfate volumetric and potassium dichromate volumetric methods
SN/T 4376-2015
GB/T 15057.8-1994
Limestonefor chemical industry--Determination of sulfur content--Gravimetric and combustion-iodate titrimetric methods
GB/T 11198.9-1989
Sulphuric acid for industrial use--Determination of mercury content--Dithizone photometric method
GB/T 11198.7-1989
Sulphuric acid for industrial use--Determination of lead content--Dithizone photometric method
YS/T 1084.3-2018
Methods for chemical analysis of crude selenium-Part 3:Determination of selenium content-The gravimetric method by reduction of hydroxylamine hydrochloride and sodium thiosulfate titration
GB/T 23834.5-2009
Chemical analysis method for stannous sulfate - Part 5: Determination of arsenic content - Silver diethyldithiocarbamate spectrophotometry
DZ/T 0393.2-2021