Цитрат натрия

ITEM

STANDARD

Characters

White or almost white, crystalline powder or granular crystals. Slightly deliquescent in moist air. Freely soluble in water, practically insoluble in ethanol

Identification

Pass test

Appearance of Solution

Pass test

Assay

99.0%～100.5%

Water

11.0～13.0%

Readily Carbonisable Substances

Pass Test

Acidity or Alkalinity

Pass Test

PH（5%w/v）

7.5～9.0

Sulfate

≤150mg/kg

Oxalate

≤100mg/kg

Chloride

≤50mg/kg

Lead

≤1mg/kg

Arsenic

≤1mg/kg

Mercury

≤1mg/kg