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

共沸物中加入氢氧钠,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%.

品通过精制艺的改进,采钠和氢氧钠的混合物进行处理,得到纯度≥99%的O,O-二乙基代磷酰氯。

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

采纤维素与过量的氯乙烷及氢氧钠反应,以甲苯为稀释剂,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,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.

采纤维素与过量的氯乙烷及氢氧化钠反应,以甲苯为稀释,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,钠为滴定剂测定甲胺盐酸盐含量方法。

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,采用硫钠和钠混合物进行处理,得到纯≥99%O,O-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.

物中加入氢氧化钠,分离出酚钠盐和乙酮。

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,分离出酚盐苯乙酮。

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,氧化为滴定剂测定甲氧胺盐酸盐含法。

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,采用硫化氧化混合物进行处理,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.

采用纤维素与过氯乙烷及氧化反应,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.

物中加入氢氧化钠,分离出酚钠盐和乙酮。

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%.

该过精制艺的改,硫化钠和氢氧化钠的混合物行处理,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.

纤维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纤维素。

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

共加入氢氧化钠,分离出酚钠盐和乙酮。

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

提出了酚酞为指示剂,氢氧化钠为滴定剂测定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氧化钠反应,为稀释剂,用一步法成功地合成了乙基纤维素。