質量指標:
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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外觀: |
白色結晶 |
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|
電子級
|
化學純 |
醫藥級 |
||
優級品 |
一級品 |
合格品 |
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含量: |
≥99.7% |
≥99.5% |
≥99.5% |
≥99.5% |
≥99.0% |
熔點: |
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% |
硫酸鹽(SO4): |
≤0.05% |
≤0.10% |
≤0.10% |
≤0.10% |
≤0.10% |
灼燒殘渣: |
≤0.05% |
≤0.10% |
≤0.10% |
≤0.10% |
≤0.10% |
透光度,265nm |
90.0 |
- |
- |
- |
- |
澄清度實驗 |
- |
6號 |
|
|
|
重金屬(Pb): |
供需雙方商定 |
- |
0.0001 |
|
|
單個金屬含量ug/kg |
供需雙方商定
|
- |
- |
- |
- |
包裝:
25kg紙袋 |
1噸打一個托盤 |
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