|
Item |
Specification |
|
Appearance |
White Granular |
|
Identification A |
A white precipitate is formed |
|
Identification B |
A yellow precipitate of ammonium phosphomolybdate is formed |
|
Assay as CaHPO4 |
97.5~102.5 |
|
Carbonates |
No effervescence occurs |
|
Chlorides |
0.25%max. |
|
Sulfates |
0.5%max. |
|
Arsenic( as As) |
3 ppm max. |
|
Lead(as Pb) |
2ppm max. |
|
Cadmium(as Cd) |
1 ppm max. |
|
Barium |
No turbidity is produced within 10min |
|
Limit of acid-insoluble substances |
0.2% max. |
|
Flouride(as F) |
50 ppm max. |
|
Loss on Ignition |
6.6~8.7% |
|
Microbiology: |
|
|
Microbe |
≤1000 CFU/G |
|
Mold&Yeast |
≤100 CFU/G |
|
E.Coli |
Negative |
|
Salmonella |
Negative |
|
Coliform |
Negative |
|
Particle size: |
|
|
Through 20 Mesh |
99%min. |
|
Remained on 100 Mesh |
40%min. |
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