T/CSTM 00069-2019
T/CSTM 00070-2019
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Reagents. Chromic (III) nitrate nonahydrate. Specifications
YS/T 1319.1-2019
Methods for chemical analysis of tetraammineplatinum(Ⅱ) nitrate-Part 1:Determination of platinum content-Hydrazine hydrate reduction method
HB/Z 5109.6-2001
SN/T 5249-2020
GB/T 12687.5-1990
Chemical analysis of nitrate of rare earth for agriculture—Determination of chrome content-sys—Diphenyl carbazide spectrophotometric method