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

共沸物中加入氢氧,分离出酚苯乙酮。

The sample was molten and decomposed with sodium peroxide,leached and acidified with hot water and constant-volumed.

试样以过氧熔融分解,热水浸取、酸,。

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

出了以酚酞为指示剂,氢氧为滴剂测甲氧胺酸含量的方法。

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

该粗品通过精制工艺的改进,采用硫氢氧的混合物进行处理,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,分离出酚钠和苯乙酮。

The sample was molten and decomposed with sodium peroxide,leached and acidified with hot water and constant-volumed.

试样以过氧化钠熔融分解,热水浸取、酸化,容。

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,氢氧化钠为滴甲氧胺酸含法。

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

该粗品通过精制工艺改进,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.

采用纤维素与过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,分离和苯乙酮。

The sample was molten and decomposed with sodium peroxide,leached and acidified with hot water and constant-volumed.

试样以过氧化熔融分解,热水浸取、酸化,定容。

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酸含量的方法。

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

该粗品通过精制工艺的改进,采用硫化和氢氧化的混合物进行处理,得到纯度≥99%的O,O-二乙基硫代。

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.

共沸物中加入化钠,分离出酚钠和苯乙酮。

The sample was molten and decomposed with sodium peroxide,leached and acidified with hot water and constant-volumed.

试样以过化钠熔融分解,热水浸取、酸化,定容。

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,化钠为滴定剂测定甲胺酸含量的方法。

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

该粗品通过精制工艺的改进,采用硫化钠和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,分离出酚钠酮。

The sample was molten and decomposed with sodium peroxide,leached and acidified with hot water and constant-volumed.

试样以过氧化钠熔融分解,热水浸取、酸化,定容。

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酸含量的方法。

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

该粗品通过精制工艺的改进,采用化钠氢氧化钠的混合物进行处理,得到纯度≥99%的O,O-二代磷酰氯。

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氢氧化钠反应,以甲为稀释剂,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,分离出酚和苯乙酮。

The sample was molten and decomposed with sodium peroxide,leached and acidified with hot water and constant-volumed.

试样以过氧熔融分解,热水浸取、酸,定容。

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,氢氧为滴定剂测定甲氧胺酸含量的方法。

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

该粗品通过精制工艺的改进,采用硫和氢氧的混合物进行处理,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.

共沸物中加入氢氧钠,分离酚钠和苯乙酮。

The sample was molten and decomposed with sodium peroxide,leached and acidified with hot water and constant-volumed.

试样以过氧钠熔融分解,热水浸取、酸,定容。

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

以酚酞为指示剂,氢氧钠为滴定剂测定甲氧胺酸含量的方法。

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

该粗品通过精制工艺的改进,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,分离出酚和苯乙酮。

The sample was molten and decomposed with sodium peroxide,leached and acidified with hot water and constant-volumed.

试样以过氧熔融分解,热、酸,定容。

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,氢氧为滴定剂测定甲氧胺酸含量方法。

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

该粗品通过精制工艺改进,采用硫和氢氧混合物进行处理,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.

采用纤维素与过量氯乙烷及氢氧反应,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,分离出酚钠和苯乙酮。

The sample was molten and decomposed with sodium peroxide,leached and acidified with hot water and constant-volumed.

试样以过氧化钠熔融分解,热水浸取、酸化,定容。

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酸含量的方法。

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-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。