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
DB37/T 2735-2015
GB/T 660-2015
Chemical reagent—Ammonium thiocyanate
SN/T 3810-2014
Determination of nitrogen content in urea and ammonium sulphate - X-ray fluorescence spectrometry
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
HG/T 2154-2012
Ammonium thiocyanate for industrial use
GB/T 22397-2008
Photography - Processing chemicals - Specifications for ammonium thiocyanate
GB/T 38086-2019
Determination of metallothionein (MT) in biological samples
GB/T 2286-2017
Determination of total sulfur composition of coke
GB/T 34175-2017
Determination of sulfur in refractory products
GB/T 33302-2016
The test method of the emission of sulfur during coal combustion
HB/Z 5107.8-2004
Methods for analysis of chemical oxidation solution for magnesium alloy-Part 8:Determination of ammonia sulfate contentin glacial acetic acid oxidation solution by barium sulfate gravimetric method
YB/T 4825-2020
GB/T 24526-2009
Carbon materials-determination of the total sulphur content
GB/T 20433-2006
Photography―Processing chemicals―Specifications for ammonium thiosulfate solution
GB/T 2462-1996
Pyrites and concentrate--Determination of effective sulfur content--Combustion neutralization method
HB/Z 5107.14-2004
Methods for analysis of chemical oxidation solution for magnesium alloy-Part 14:Determination of ammonia sulfate content in potassium bichromate and magnesium sulfate oxidation solution by potentiometric method
NB/SH/T 0253-2021
Determination of trace quantities of sulfur in light petroleum products-Oxidative microcoulometry method
SN/T 3927-2014
Determination of sodium thiocyanate in dairy products for export
SN/T 1083.3-2002
Determination of sulfur content in coke-Instrumental method