型號: | 77-09-8 |
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品牌: | SHUNXING |
原產地: | 中國 |
類別: | 化工 / 化學試劑 |
標籤︰ | - |
單價: |
-
|
最少訂量: | 1 件 |
TEST ITEM: | SPECIFICATION: | RESULTS: |
Characteristics: | A white or almost white powder, practically insoluble in water, soluble in alcohol. | A white powder, practically insoluble in water, soluble in alcohol. |
Melting Point | It melts at about 260°C-262°C | 261°C ~262°C |
Identification | A:Positive
B:Positive |
A:Positive
B:Positive |
Appearance of solution | The solution is clear and not more intensely coloured than reference solution Y7 | Complies |
Related substances | Less than 0.01% | <0.01% |
Heavy metals | Not more than0.001% | <0.0009% |
Acidity or alkalinity | Complies | Complies |
Chlorides | Not more than 0.01% | <0.01% |
Sulphates | Not more than 0.02% | <0.02% |
Loss on drying | Not more than 0.5% | 0.12% |
Sulphated ash | Not more than 0.1% | 0.01% |
Assay | 98.0%-101.0%(C20H14O4) | 99.6% |
Storage condition: | Store in well closed drums, in cool and dry storage area. |
付款方式︰ | TT/LC/DP |
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河北順星進出口有限公司 | |
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國家/地區︰ | 河北省石家庄市 |
經營性質︰ | 生產商 |
聯繫電話︰ | 15511360268 |
聯繫人︰ | Stella Wang (經理) |
最後上線︰ | 2024/06/04 |