Item

Specification

Appearance

white crystalline

    Melting point

177-183℃

Water

 ≤ 2.0%

Residue on ignition

≤0.1%

PH

≤5.5-5.6

Heavy metals

 ≤10ppm

Total plate count

   ≤1000cfu/g

E-coli

Negative

Mold

 ≤100 cfu/g

Coliform bacteria

≤10 cfu/g

Salmonella

Negative

Content assay

≥98.0%