| ≥1 piece |
|
Parameter |
USP Standard |
BP Standard |
Typical Results |
|
l Content Of Chloride (Cl) |
≤ 0.015% |
≤ 0.015% |
0.006 % |
|
l Purity Of NaHCO3 (Dried Basis) |
99.0 %-100.5% |
99.0 %-101% |
99.9 % |
|
l Loss On Dry |
≤ 0.25 % |
≤ 0.25 % |
0.07% |
|
l PH Value (5% Solution) |
7.9-8.4 |
≤ 8.6 |
8.4 |
|
l Content Of Carbonate (Na2CO3 ) |
Pass Test |
Pass Test |
Pass |
|
l Ammonia Smell |
None |
None |
None |
|
l Content Of Ammonium Salt |
≤ 2ppm |
≤ 2ppm |
0.0004 % |
|
l Content Of Heavy Metals (Pb) |
≤ 5 ppm |
≤ 1 ppm |
Qualified |
|
l Content Of As |
≤ 2ppm |
≤ 2ppm |
0.000002 % |
|
l Content Of Iron |
≤ 5ppm |
≤ 20ppm |
0.0004 % |
|
l Content Of Aluninum |
≤ 2ppm |
- |
Qualified |
|
l Content Of Calcium |
≤ 0.004 % |
≤ 0.01% |
0.004 % |
|
l Content Of Sulfur Compounds |
≤ 0.015% |
≤ 0.015% |
0.005 % |
|
l Content Of Organics |
≤ 1 ppm |
- |
Qualified |
|
l Insoluble Substances |
Complete Clear |
Complete Clear |
Qualified |