Chi tiết sản phẩm
Điều khoản thanh toán và vận chuyển
Điều khoản thanh toán: L/C, D/P, T/T.
| est | Standards | Results | |||
| Characteristics | A white crystalline powder | A white crystalline powder | |||
| Solubility | Sparingly soluble in water,freely soluble in alcohol, very slightly soluble in ether and in me'thylene chloride | Conforms | |||
| Identification | Conforms | Conforms | |||
| Melting range | 168~172 °C | 169.0~170.0 °C | |||
| Chloride | Not more than 0.014% | <0.014 % | |||
| Sulphate | Not more than 0.02% | <0.02% | |||
| Sulfide | No coloration or spotting occurs | Conforms | |||
| Readily carbonizable substances | Conforms | Conforms | |||
| Free P-aminophenol | Not more than 0.005% | <0.005 % | |||
| Related substance | Conforms | Conforms | |||
| Loss on drying | Not more then 0.5% | 0.06% | |||
| Residue on ignition | Not more then 0.1% | 0.03% | |||
| OVI | Meets the requirements | Conforms | |||
| Assay | 99.0~101.0% | 99.6% | |||
| Heavy metals | Not more than 0.001% | <0.001% |
