The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.
该粗品通过精制工艺
改进,采用
化钠和氢氧化钠混合物进行处理,得到纯
≥99%O,O-
磷酰氯。
The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.
该粗品通过精制工艺改进,采用化钠和氢氧化钠混合物进行处理,得到纯≥99%O,O-磷酰氯。
Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
采用纤维素与过量氯烷及氢氧化钠反应,以甲苯为稀释剂,用一步法成功地合成了纤维素。
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