Chemical Name
AMMONIUM THIOCYANATE
Reference No.
60-10-313-00
F.Wt.
76.12
Formula
NH4SCN
SPECIFICATIONS
Appearance
Colourless crystals free from any  foreign matter
Assay as NH4SCN
Min : 98%
Clarity of 20% aqueous solution
Clear and colourless free from any sediments and turbidity.
pH of 20% aqueous solution at 20C
4.5 5.5
Non-volatile matter
Max : 0.06%
Clarity of 10% solution in methanol
Clear and colourless free from any sediments and turbidity.
Chlorides as Cl
Max : 0.009%
Iron as Fe
Max : 0.0002%
Heavy metals as Pb
Max : 0.0005%
Reducing substance to AgNO3
Passes the test
Reducing substance to Gold chloride
Passes the test
Sulphates as SO4
Max : 0.005%
Practical test
Passes the test
Quantity of sample required for test
500 gms
Mode of Packing
Packed in wide mouthed airtight brown glass bottle, with polythene insert and polythene screw cap. The bottle shall be completely covered with polythene cover and sealed at the top. The final packing should with stand hazards in transit.
AMMONIUM THIOCYANATE
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