Items

Standards

Results

Appearance

White sheet crystal

Complies

Assay(by drying sample)

Min98%

99.10%

Melting point

92-96°C

94.6-95.8°C

Ash

Max0.5%

0.26%

Loss on Drying

Max0.5%

0.11%

Heavy Metal

Max10ppm

Qualified

Melting point

92-96°C

92-94°C

Residue on Ignition %

Max 0.5

0.37

Color reaction of ferric chloride

Negative

Negative

Arsenic

Min 2ppm

Complies

Pathogen

Bacteria ≤300cpu

NMT100cpu

Fungus ≤100cpu

NMT50cpu

Conclusion

Conform with specification

Packing description

Sealed export grade drum & double of sealed plastic bag