1. CHARACTERS: A WHITE,CRYSTALLINE POWDER OR COLORLESS,
FREELY SOLUBLE IN WATER
2. IDENTIFICATION
A.THE REACTIONS OF CHLORIDE: CONFORMS CONFORMS
B.THE REACTIONS OF AMMONUM SALTS: CONFORMS CONFORMS
3. APPEARANCE OF SOLUTION: CONFORMS CONFORMS
4. ACIDITY OR ALKALINITY: 4.0~6.0
5. BARIUM: CONFORMS
6. HEAVY METALS: <0.001%
7. IRON: <0.005%
8.RESIDUE ON IGNITION: <0.1%
9. As: <0.0005%
10. LOSS ON DRYING: <0.5%
11. ASSAY(ON DRIED BASIS): 99.5%MIN.