Item

Standard(FCCⅣ)

Results

Identification

Conform Standard

Conform Standard

Appearance

White powder

White powder

Assay

99.0-101.0%

99.53%

Moisture

≤0.5%

0.28%

Heavy Metal(as Pb)

 ≤0.001%

＜0.001%

Melting Point ℃

132~135℃

132.1~134.3℃

Residue of ignition

≤0.2%

0.07%

Arsenic (as As)

≤0.0003%

＜0.0003%