Description: Colorless crystals or white crystal powder with sweet
and sour taste, sparingly soluble in water, freely soluble in
dilute mineral acid, alkaline solution or borax solution and
insoluble in acetic acid or ethanol, relative density 1.**4.
Functional use: Served as capacity analytical reagent, buffer and
reducing agent, also as leavening agent in food industry Item
JSFA-V US FCC(IV) Content (on dry basis) % *9.0~**1.0 *9.0~**1.0
Clarity passed Sulphates ≤% 0.*2 Heavy metals (Pb) ≤% 0.**2 0.**2
Arsenic (As) ≤% 0.**4 0.***3 Ammonia (NH3) passed passed Loss on
drying ≤% 0.5 Insoluble matter passed