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

共沸物中加入氢氧化钠,分离出酚钠盐和苯乙酮。

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

提出了以酚酞为指示,氢氧化钠为测甲氧胺盐酸盐含量的方法。

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

该粗品通过精制艺的改进,采用硫化钠和氢氧化钠的混合物进行,到纯度≥99%的O,O-二乙基硫代磷酰氯。

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乙烷及氢氧化钠反应,以甲苯为稀释,用一步法成功地合成了乙基纤维素。

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

共沸物中加入氢氧化钠,分离出钠盐和苯乙酮。

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

提出了以指示剂,氢氧化钠滴定剂测定甲氧胺盐酸盐含量的方法。

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

该粗品通过精制艺的改进,采用硫化钠和氢氧化钠的混合物进行处理,得到纯度≥99%的O,O-二乙基硫氯。

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乙烷及氢氧化钠反应,以甲苯稀释剂,用一步法成功地合成了乙基纤维素。

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

共沸物中加入氢氧化钠,分离出酚钠盐和苯乙酮。

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

提出了以酚酞剂,氢氧化钠滴定剂测定甲氧胺盐酸盐含量的方法。

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

该粗品通过精制艺的改进,采用化钠和氢氧化钠的混合物进行处理,得到纯度≥99%的O,O-二乙磷酰氯。

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乙烷及氢氧化钠反应,以甲苯稀释剂,用一步法成功地合成了乙纤维素。

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

共沸物中加入氢氧化,分离出和苯乙酮。

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

提出了以酞为指示剂,氢氧化为滴定剂测定甲氧胺酸含方法。

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-二乙基硫代磷酰。

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

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

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

共沸物中加入氧化钠,分离出酚钠盐和苯酮。

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

提出了以酚酞为指,氧化钠为滴定测定甲氧胺盐酸盐含量的方法。

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

该粗品通过精制艺的改进,采用硫化钠和氧化钠的混合物进行处理,得到纯度≥99%的O,O-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烷及氧化钠反应,以甲苯为稀释,用一步法成功地合成了纤维素。

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

共沸物中加入氢氧化,分离出酚盐和苯乙酮。

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

提出了以酚酞指示剂,氢氧化定剂测定甲氧胺盐酸盐含量的方法。

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

该粗品通过精制艺的改进,采用硫化和氢氧化的混合物进行处理,度≥99%的O,O-二乙基硫代磷酰氯。

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乙烷及氢氧化反应,以甲苯稀释剂,用一步法成功地合成了乙基纤维素。

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

共沸物中加入氢氧,分离出酚盐和苯乙酮。

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

提出了以酚酞指示剂,氢氧滴定剂测定甲氧胺盐酸盐含量的方法。

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

该粗品通过精制艺的改进,采用硫和氢氧的混合物进行处理,得≥99%的O,O-二乙基硫代磷酰氯。

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乙烷及氢氧反应,以甲苯稀释剂,用一步法成功地合成了乙基纤维素。

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

共沸物中加,分离出酚盐和苯乙酮。

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

提出了以酚酞为指示剂,为滴定剂测定甲胺盐酸盐含量的方法。

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

该粗品通过精制艺的改进,采用硫和的混合物进行处理,得到纯度≥99%的O,O-二乙基硫代磷酰氯。

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乙烷及应,以甲苯为稀释剂,用一步法成功地合成了乙基纤维素。

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

共沸物中加入氢氧化钠,分离酚钠盐和苯乙。

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

了以酚酞为指示剂,氢氧化钠为滴定剂测定甲氧胺盐酸盐含量的方法。

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

该粗品通过精制艺的改进,采硫化钠和氢氧化钠的混合物进行处理,得到纯度≥99%的O,O-二乙基硫代磷酰氯。

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

采素与过量的氯乙烷及氢氧化钠反应,以甲苯为稀释剂,一步法成功地合成了乙基素。