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    Potassium thiocyanate
    发布时间:2016-1-20 10:57:39   点击:次   【打印】【关闭

    Formula: KSCN molecular weight: 97.18
    CAS NO: 333-20-0 HS NO. 28429010
    English name: potassium thiocyanate
    Physical and chemical properties: colorless monoclinic system structure, relative density 1.886, melting point is 172.3 ℃, soluble in water, and because of a large amount of heat and cooling, is soluble in alcohol and acetone, can get half the water in the low temperature crystallization (KSCN H4O) 0.5, 29.5 ℃, 6.8 ℃ in stability, burn up to about 430 ℃ time-varying is blue, but again to colorless after cooling, such as thermal decomposition to 500 ℃, with iron generated blood-red rhodanide iron, ferrous salt, no response

    指标名称

    出口级

    一等品

    KSCN (干基)含量 Min%

    99.0

    98.0

    溶液外观(100g/L)

    澄清透明

    澄清透明

    pH 值 (50g/L)

    6--8

    6--8

    水不溶物 Max%

    0.01

    0.03

    氯化物(Cl-) Max%

    0.02

    0.04

    硫酸盐 (SO42-)Max%

    0.05

    0.08

    重金属(Pb) Max% 

    0.002

    0.005

    铁(Fe) Max% 

    0.0005

    0.0005

    水份  Max%

    1

    1.5

    USES: used for electroplating industry as faded plating agent, can also be used for refrigerants, also used in the dye industry, photographic industry, pesticide and steel analysis, etc
    Packing: net weight 25 plastic woven bags.

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