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Light transmittance / / / / /
Water =<1.0% =<1.0% =<0.5% =<0.5% =<0.5%
Content 99.5%~100.5% 99.5%~100.5% 99.5%~100.5% >=99.5% >=99.5%
RCS Not exceeding Not exceeding A=<0.52,T>=30% Not exceeding Not exceeding
the STANDARD the STANDARD the STANDARD the STANDARD
Calcium / / / / Pass test
Iron / / / / /
Chloride / / / / /
Sulphate =<150ppm =<0.015% / / =<0.048%
Oxalates =<360ppm =<0.036% No turbidity forms =<100mg/kg Pass test
Heavy metals =<10ppm =<0.001% / =<5mg/kg =<10mg/kg
Lead / / =<0.5mg/kg =<1mg/kg /
Aluminium =<0.2ppm =<0.2ug/g / / /
Arsenic / / / =<1mg/kg =<4mg/kg
Mercury / / / =<1mg/kg /
Sulphuric acid ash content =<0.1% =<0.1% =<0.05% =<0.05% =<0.1%
water-insoluble / / / / /
Bacterial endotoxins =<0.5IU/mg Pass test / / /
Tridodecylamine / / =<0.1mg/kg / /
polycyclic aromatic / / / / =<0.05(260-350nm)
hydrocarbons (PAH)
isocitric acid / / / / Pass test