质量指标:
CAS NO.: |
141-82-2 |
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分子式: |
CH2(COOH)2 |
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分子量: |
104.06 |
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外观: |
白色结晶 |
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|
电子级
|
化学纯 |
医药级 |
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优级品 |
一级品 |
合格品 |
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含量: |
≥99.7% |
≥99.5% |
≥99.5% |
≥99.5% |
≥99.0% |
熔点: |
134.5-137.0℃ |
134.5-137.0℃ |
134.5-137.0℃ |
134.0-137.0℃ |
132.0-137.0℃ |
水分: |
≤0.3% |
≤0.3% |
≤0.3% |
≤0.5% |
≤0.5% |
氯化物(Cl): |
≤0.02% |
≤0.02% |
≤0.02% |
≤0.03% |
≤0.05% |
硫酸盐(SO4): |
≤0.05% |
≤0.10% |
≤0.10% |
≤0.10% |
≤0.10% |
灼烧残渣: |
≤0.05% |
≤0.10% |
≤0.10% |
≤0.10% |
≤0.10% |
透光度,265nm |
90.0 |
- |
- |
- |
- |
澄清度实验 |
- |
6号 |
|
|
|
重金属(Pb): |
供需双方商定 |
- |
0.0001 |
|
|
单个金属含量ug/kg |
供需双方商定
|
- |
- |
- |
- |
包装:
25kg纸袋 |
1吨打一个托盘 |
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