氢氧化钠

Sodium phenolate and acetophenone can be obtained by adding sodium hydrate into azeotrope.

共沸物中加入氢氧化,分离盐和苯酮。

The assay of content of methoxyamine hydrochloric acid using phenolphthalein indicaor and NaOH as titrant was developed.

提了以酞为指示剂,氢氧化为滴定剂测定甲氧胺盐酸盐含量方法。

The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.

该粗品通过精制艺改进,采用硫化和氢氧化混合物进行处理,得到纯度≥99%O,O-二基硫代磷酰。

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

采用纤维素与过量烷及氢氧化反应,以甲苯为稀释剂,用一步法成功地合成了基纤维素。