产品描述

Appearance     Off-white crystalline powder, odorless

Purity     >= 50%

Loss on drying     =< 8%


pH (10% solution)     5.0- 7.5

Arsenic     =< 1 mg/kg

Lead     =< 1 mg/kg

Mercury     =< 1 mg/kg

Total heavy metals ( as pb)     =< 10 mg/kg

Total plate count     100 cfu/g

Coliform bacteria     =< 30 MPN/ 100g

E.coli/ 5g     Negative

Listeria monocyto/ 10g     Negative

Salmonella/ 10g     Negative