Item

Specification

Appearance

white crystallineor weakly  crystalline powder

Assay (%)

≥ 99.0

m.p. ( °C )

112~118

Transmittance (%)

≥ 98 .0 (10%H2O)

Loss on Drying (%)

≤ 1.0

Residue on ignition (%)

≤ 0.2

Heavy Metals(as Pb) (ppm)

≤ 10