Chemical Name
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AMMONIUM THIOCYANATE
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Reference No.
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60-10-313-00
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F.Wt.
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76.12
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Formula
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NH4SCN
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SPECIFICATIONS
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Appearance
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Colourless crystals free from any foreign matter
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Assay as NH4SCN
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Min : 98%
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Clarity of 20% aqueous solution
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Clear and colourless free from any sediments and turbidity.
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pH of 20% aqueous solution at 20°C
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4.5 – 5.5
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Non-volatile matter
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Max : 0.06%
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Clarity of 10% solution in methanol
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Clear and colourless free from any sediments and turbidity.
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Chlorides as Cl
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Max : 0.009%
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Iron as Fe
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Max : 0.0002%
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Heavy metals as Pb
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Max : 0.0005%
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Reducing substance to AgNO3
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Passes the test
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Reducing substance to Gold chloride
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Passes the test
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Sulphates as SO4
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Max : 0.005%
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Practical test
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Passes the test
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Quantity of sample required for test
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500 gms
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Mode of Packing
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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.
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