Benzoic acid

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描述
Characteristics White crystallized powder
Content >=% 99.5
Melting point 121-124℃
Loss on drying  =< % 0.5
Sulfate =< %          0.1
Burnt Residue  =< PPM 300
Chlorides =< % 0.02
Heavy metals(As Pb)  =< PPM 10
Arsenic =<% 0.0003
Lead =< ppm 5
Mercury =< ppm 1
Oxidisable substances Passing test
Carbonisable substances =< Y5
Colour of solution =< B9
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