DB37/T 2735-2015
SN/T 3810-2014
Determination of nitrogen content in urea and ammonium sulphate - X-ray fluorescence spectrometry
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
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
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
GB/T 535-2020
Fertilizer grade ammonium sulphate
GB/T 32784-2016
Pig iron contenting nickel—Determination of chromium content—Ammonium per sulfate-ammonium ferrous sulfate titration method
GB/T 1396-2015
Chemical reagent—Ammonium sulfate
YS/T 807.4-2012
Chemical analysis methods of aluminum hardeners—Part 4:Determination of chromium content—The ammonium persulfate oxidation-ammonium ferrous sulfate titrimetric method
GB/T 655-2011
Chemical reagent - Ammonium persulfate
HG/T 5744-2020
HG/T 5907-2021
Ammonium sulphate of dyes by-product
GB/T 26519.3-2021
Persulfate for industrial use—Part 3:Ammonium persulfate for industrial use
QB/T 2573-2016
Ammonium lauryl sulfate
HG/T 2784-2023
YB/T 4908.1-2021
Vanadium-aluminum alloy-Determination of vanadium content-Ammonium persulfate oxidation-ammonium ferrous sulfate titrimetric method
DL/T 808-2002
By-product ammonium sulphate
HG/T 2784-2012
QB/T 2572-2012
Ammonium ethoxylated alkyl sulfate
HG/T 5271-2017
Biochemical reagent-Ammonium sulfate