乙腈

流动相：0·1%甲酸水溶液（A）-乙腈（B），梯度洗脱；

Mobile phase : 0.1 % formic acid-water ( A ) and acetonitrile ( B ), gradient elute ;

考查了不同乙腈/水体积比、pH值等因素对荧光强度的影响。

The impact factors , such as the different acetonitrile / water volume ratio , pH value , were examined .

从苯乙腈制取苯基硝基甲烷就用这个方法。

This is a generally known method for obtaining phenylnitromethane from benzyl cyanide .

消泡剂在乙腈法萃取精馏C4系统中的应用

Application of defoaming agents in extractive distillation of C_4 mixtures by ACN

乙腈法C4抽提丁二烯中流体力学状况的分析

Analysis of the Hydrodynamics Status by Acid Nitrile Method in the C_4 Extraction Butadiene Plant

流动相：A相为乙腈，B相为水，梯度洗脱；

Mobile phase was A : ACN , B : H _ 2O , gradient elution ;

类胡萝卜素亦采用线性梯度洗脱，以乙酸乙酯作为A相，B相为乙腈-水（体积比9∶1）。保留时间、相对保留时间、光谱法、加标定性，内标法定量。

Carotenoids were separated by linear gradient elution using ethyl acetate and water-acetonitrile ( 1:9 , V / V ) as mobile phase .

研究了反应溶剂、溶剂的用量、温度和时间、pH值、反应温度和时间对对叔丁基苯乙腈收率的影响。

The effects of pH , reaction temperature , amount of ethanol and time on the reaction were also investigated .

研究了间接ELISA法的影响因素（pH值、离子强度、有机溶剂）：pH值为中性的情况对ELISA的影响很小，5%的乙腈对ELISA基本上没有影响。

The influence of ionic strength , pH , organic solvent on indirect ELISA were tested in this paper .

间三氟甲基苯乙腈（TAN）是一种新型的医药、农药中间体。

3-Trifluoromethyl phenylacetonitrile ( TAN ) is a new-type intermediate for medicine and agri-cultural pesticide .

通过实验探讨了乙腈与低碳醇的混合溶剂用于提取粉末磷脂中磷脂酰胆碱（PC）的可行性。

The extraction of phosphatidylcholine ( PC ) from soybean lecithin with the mixed solvents of acetonitrile and lower alcohols has been studied experimentally .

Ne（~3P（0,2））与乙腈的能量转移反应研究

Study of the Energy Transfer Reaction of Ne ( ~ 3P_ ( 0,2 )) with CH_3CN

制药废液中回收乙腈与DMF

Recovery of Methyl Cyanide and DMF from Pharmaceutical Effluent

制备过程，用N，N-二甲基甲酰胺（DMF）代替乙腈和二甲苯。

During the preparation , N , N-dimethylformamide ( DMF ) was used to as the solvent instead of acetonitrile and p-xylene .

方法：采用25%浓度的NaOH液碱，对苯乙腈原料进行水解反应；

Method : Use 25 % concentration NaOH liquid alka - li , hydrolysis the mandelonitrile materials .

考察了缓冲液组成、pH值、乙腈含量以及十二烷基硫酸钠（SDS）浓度等对分离的影响。

Operational parameters , including buffer composition , pH value , content of acetonitrile and sodium lauryl sulfate ( SDS ) concentration were optimized .

流动相A为1%的三氟乙酸溶液，B为乙腈-甲醇（75：25）；

The mobile phase was consisted of 1 % trifluoroacetic acid solution as mobile phase A and acetonitrile - methanol ( 75:25 ) as mobile phase B with UV detection at 275 nm .

在不同的有机体系中系统的考察了其电渗流性质，如甲醇，甲酰胺，N，N-二甲基甲酰胺以及甲醇和乙腈的混合溶液。

Its electroosmotic flow ( EOF ) property is investigated in a variety of nonaqueous media ( methanol , formamide and N , N-dimethylformamide and mixtures of methanol and acetonitrile ) .

相比乙腈，有机二硫化物在DMSO溶液中更容易通过电化学过程被还原。

Compared to acetonitrile , organic disulfides in DMSO are relatively easily reduced by the electrochemical process .

用乙醇水作RPHPLC流动相测定中药有效成分，并将测定结果与甲醇水或乙腈水作流动相的测定结果进行比较。

The physicochemical properties and characters of the solvents used as the mobile phase of reversed phase high performance liquid chromatography ( RP HPLC ) were compared between methanol and ethanol .

结果：最优流动相组成为甲醇乙腈水三乙胺（16∶6∶78∶0.4），用磷酸调节pH为2.5。

RESULTS The optimun composition of the mobile phase was : MeOH ACN H 2O TEA ( 16 ∶ 6 ∶ 78 ∶ 0.4 ), pH was 2.5 ( adjusted by phosphoric acid ) .

方法：采用RPHPLC法，流动相为乙腈水磷酸（1∶2∶0.1），检测波长为203nm。

METHODS Using RP HPLC , the mobile phase consisted acetonitrile water phosphoric acid ( 1 ∶ 2 ∶ 0.1 ), the detection wavelength was 203 nm .

该方法经优化后的条件为：样品经乙腈超声提取，弗罗里硅土柱净化，DAD二极管阵列检测器，经高效液相色谱测定。

The optimized conditions were that the sample was extracted by ultrasonic acetonitrile , cleaned up by Florisil-phase extraction ( SPE ) . HPLC with DAD detector was used for determination .

用NMP作反应介质合成安非他酮的反应时间从报道（以乙腈、甲醇等作溶剂）的几十个小时、几天大大的缩短到1小时。

The reacting time was cut short to 1 h from hours , days in NMP solvent .

饲料中呋喃唑酮用乙腈-甲醇（1∶1，V/V）提取，中性氧化铝SPE柱净化。

The drug was extracted from feedstuff with acetonitrile and methanol ( 1 ∶ 1 , V / V ), purified by alumina N.

此外，我们发现吸附产物在甲醇，乙腈，DMSO等有机溶剂中还能释放出亚甲基蓝。

Furthermore , we also found that the desorption of methylene blue can be occurred in methanol , acetonitrile , DMSO , etc.

以气相色谱石英毛细管柱分离、FID检测，测定废水和废气中N′，N－二甲基甲酰胺（DMF）。制药废液中回收乙腈与DMF

DMF in waste water and gas was determined with separation by capillary column and FID detection . Recovery of Methyl Cyanide and DMF from Pharmaceutical Effluent

流动相：A相为0.2%的三氟乙酸水溶液，B相为含0.1%的三氟乙酸的乙腈溶液，线性梯度程序为：开始10%B；

The mobile phase was ( A ) aqueous trifluoroacetic acid solution ( 0.2 % ) solution and ( B ) acetonitrile trifluoroacetic acid solution ( 0.1 % ) . The gradient elution was modified as follows : initial 10 % B ;

以三丙胺为共反应物，发现在乙腈或水溶液中，其ECL性能均较为稳定。

Then using TPA as coreactant , the steady ECL signals were obtained in both acetonitrile solution and aqueous solution . 2 .

采用乙腈探针红外光谱法测定了离子液体的酸类型（Br¨onsted/Lewis酸），并指示了离子液体的Lewis酸强度。

Acetonitrile was utilized as an IR molecular probe to determine the acid type ( Brnsted or Lewis acid ) and Lewis acid strength of the ionic liquids .