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美国国家标准 医药级 |
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U.S.A.WEST COAST ANALYTICAL SERVICE,INC. |
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CALCIUM CARBONATE-CaCO3 碳酸钙
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CaCO3 100.09 Calcium Carbonate (1:1) Specification Description |
Limits |
Test Result |
Test Method |
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CalciumContent % 钙含量 |
Minimum |
39.2 |
39.9 |
USP26/S4 |
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Calcium Carbonate Content % 碳 酸 钙 含 量 |
Minimum |
98.0 |
99.7 |
USP26/S4 |
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Lead (PPM) 铅
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Maximum |
NMT 3.0 美国 USP |
1.86 |
ICP-MS |
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NMT 0.25 美国 加州版 |
0.155 |
ICP-MS |
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Mercury (PPM) 汞 |
Maximum |
NMT 0.5 |
ND |
ICP-MS |
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Arsenic (PPM) 砷 |
Maximum |
NMT 3 |
0.086 |
ICP-MS |
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Barium 钡 |
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Does not impart Green color |
Did Not impart Green color |
USP26/S4 |
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Fluoride % 氟化物 |
Maximum |
NMT 0.005 |
< 0.001 |
USP26/S4 |
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Iron % 铁 |
Maximum |
NMT 0.1 |
< 0.1 |
USP26/S4 |
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Heavy Metals (PPM) 重金属总含量 |
Maximum |
NMT 20 |
< 20 |
USP26/S4 |
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Acid-Insoluble % 酸不溶物 |
Maximum |
0.2 |
0.07 |
USP26/S4 |
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Magnesium and Alkali Salts % 镁及其碱盐 |
Maximum |
1.0 |
0.48 |
USP26/S4 |
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Total Aerobic. Microbial Count 好氧性微生物总含量 (DFU/g) |
Maximum |
750 |
< 750 |
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Moisture % 水份 |
Maximum |
0.5 |
0.3 |
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Particle Size (μm) 平均粒径 |
Median |
依厂家要求 |
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Color Appearance 色泽 |
White to ultra white Powder 高纯白度微粉 |
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Preserve in well-closed container, 40kg/ plastlc(pp) complex bag , or according to order
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