This standard specifies the technical requirements, test methods, inspection rules, packaging and marking of the chemical reagent ammonium thiocyanate. This standard applies to the inspection of the chemical reagent ammonium thiocyanate.
GB/T 660-1992 history
2015GB/T 660-2015 Chemical reagent.Ammonium thiocyanate
1992GB/T 660-1992 Chemical reagent--Ammonium thiocyanate