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    กระดาษทดสอบ Hydrocyanic acid, cyanides (Cyantesmo)


    Quick and easy determination of cyanides

    This test paper allows the quick and easy detection of hydrocyanic acid and cyanides in aqueous solutions and extracts. They are for example formed in the manufacture of fruit brandies and are toxic even in low concentrations. To detect cyanides in solution, a drop of concentrated sulfuric acid is added to 10 ml sample. Hydrocyanic acid gas is formed and can be detected at the boundary layer between water and air.

    Product data and ordering information

    Type Qualitative test paper
    Presentation Reel of 5 m length and 10 mm width
    Color reaction
    pale-green → blue
    Limit of sensitivity
    0.2 mg/l hydrocyanic acid (HCN)
    REF 90604 

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