sodium hydroxide

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的改进,采用硫化钠化钠的混合物进行处理,得到纯度≥99%的O,O-二基硫代磷酰氯。

Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

采用纤维素与过量的氯化钠反应,以甲苯为稀释剂,用一步法成功地合成了基纤维素。