 |
■ NaI
★ pharmaceutical grade sodium iodide
Sodium iodide crystal is a colorless or white crystalline powder; no smell and taste salty, Wei Gu; Reply wet in the humid air easily become brown. The goods is highly soluble in water, soluble in ethanol.
Uses: Preparation for the iodide inorganic and organic materials. On the role of Chinese medicine in the prevention and treatment of adeno-and expectorant agents and diuretics, are also used as photosensitive agents and other analytical reagents.
Packaging: Zhibantong, lined bag, net weight of 25 kg per barrel. Users may require special packaging.
Standard: Chinese Pharmacopoeia 2005 version 2 (pharmaceutical grade)
Specifications:
|
Name indicators |
index value |
|
Content (NaI dry basis),% |
≥99.0 |
|
Alkalinity |
合格 |
|
Solution clarity and color |
合格 |
|
Iodate |
合格 |
|
Barium salt |
合格 |
|
Heavy metals (Pb),% |
≤0.001 |
|
Chloride,% |
≤0.5 |
|
Kraft,% |
≤0.04 |
|
Potash,% |
≤0.05 |
|
Dry weight loss，% |
≤3.0 |
★ reagent grade sodium iodide
Sodium iodide crystal is a colorless or white crystalline powder; no smell and taste salty, Wei Gu; Reply wet in the humid air easily become brown. The goods is highly soluble in water, soluble in ethanol.
Uses: Preparation for the iodide inorganic and organic materials. On the role of Chinese medicine in the prevention and treatment of adeno-and expectorant agents and diuretics, are also used as photosensitive agents and other analytical reagents.
Packaging: Zhibantong, lined bag, net weight of 25 kg per barrel. Users may require special packaging.
Standard: Q/HLZM005-2007 (Bansichun, chemical pure)
Specifications:
|
Name indicators |
index value |
|
Content，% |
≥98.5 |
|
PH |
pH在6.0～8.0 |
|
Clarification of the solution |
Qualified |
|
Water insoluble，% |
≤0.010 |
|
Heavy metals (Pb),% |
≤0.0005 |
|
Chloride and bromide (Cl),% |
≤0.02 |
|
Kraft,% |
≤0.005 |
|
Iodate and iodine (IO3),% |
≤0.002 |
|
Phosphate (PO4)% |
≤0.002 |
|
Total nitrogen content (N),% |
≤0.002 |
|
Sodium (Na)，% |
≤0.10 |
|
Magnesium (Mg),% |
≤0.002 |
|
Calcium (Ca)，% |
≤0.002 |
|
Iron (Fe)，% |
≤0.0003 |
|
Arsenic (As)，% |
≤0.002 | |
