|
Items |
Specifications |
Test Results |
Test Methods |
|
Appearance |
White crystalline powder |
Conforms |
In-house |
|
Magnesium(on dried basis),w/% |
≥11.0 |
11.3 |
In-house |
|
Loss on drying,w/% |
≤1.0 |
0.47 |
In-house |
|
pH(10g/L) |
9.0～11.0 |
10.3 |
In-house |
|
Particle size,w/% |
90% passing 60 mesh |
Conforms |
In-house |
|
Additional Guarantees |
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|
Items |
Limits |
Test Methods |
|
|
Individual Heavy metals |
Pb, ppm |
≤3 |
AAS |
|
As, ppm |
≤1 |
AAS |
|
|
Cd, ppm |
≤1 |
AAS |
|
|
Hg, ppm |
≤0.1 |
AAS |
|
|
Microbiologicals |
Total plate count, cfu/g |
≤1000 |
USP |
|
Yeast and Mold, cfu/g |
≤100 |
USP |
|
|
E. Coli, /g |
Negative |
USP |
|
|
Salmonella, /25g |
Negative |
USP |
|
|
Conclusion: test results conform to above-mentioned specifications. |
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