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

共沸中加入氢化钠,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剂,氢化钠为滴定剂测定盐酸盐含量的方法。

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,采用硫化钠和氢化钠的进行处理,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氢化钠反应,以苯为稀释剂,用一步法成功地成了乙基纤维素。

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

共沸物中加入,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.

共沸物中加入钠,分离出酚钠和苯乙酮。

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,钠为滴定剂测定甲胺酸的方法。

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,采用硫钠和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.

采用纤维素与过的氯乙烷及钠反应,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。

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

共沸物中加入钠,分离出酚钠和苯乙酮。

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,钠为滴定剂测定甲胺酸的方法。

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,采用硫钠和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.

采用纤维素与过的氯乙烷及钠反应,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剂,氢氧化钠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%.

该粗品通进,采用硫化钠和氢氧化钠混合物进行处理,得到纯度≥99%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.

采用纤维素与量氯乙烷及氢氧化钠反应,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,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%.

该粗品通精制艺的改进,采用硫化钠氢氧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.

采用纤维量的氯烷及氢氧化钠反应,以甲为稀释剂,用一步法成功地合成了基纤维。

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。