Phenolphthalein Powder supplie
| 型号： | 77-09-8 |
| 品牌： | SHUNXING |
| 原产地： | 中国 |
| 类别： | 化工 / 化学试剂 |
| 标签︰ |
-
|
| 单价： |
-
|
| 最少订量： | 1 件 |
产品描述
| 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. |
产品图片
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