商品详情

Item

Standard

Appearance

White crystals or crystalline powder

Specific rotation[α]20/D

-14.5—15.5 Degree

Assay

99.0% to 101.0%

Chloride (Cl)

Not more than 0.10%

Ammonium (NH4)

Not more than 0.10%

Transmittance

≥95%

Loss on drying

≤0.25%

Residue  on  ignition

≤0.10%

Heavy metal(Pb)

Not more than 10ppm

PH

5.2-6.2

Chloride（Cl）

≤0.02%

Sulfate（SO4）

≤0.02%

Iron（Fe）

≤10ppm

Ammonium（NH4）

≤0.02%