Methods: A thin layer chromatography method was employed.

Triethyl orthoacetate in reaction and determined by gas chromatography with external standard method.

应用气相色谱法测定制备原乙酸三乙酯反应产物中产品质量.

Succinic acid was used as target during ozonation of chlorophenol, whose concentration measured by ion chromatography.

使用丁二酸作为目标化合物,在臭氧氧化氯酚的过程中, 利用离子色谱检测水样中丁二酸的浓度变化情况.

Two of distillation crystallization method gas chromatography to determine the naphthalene content in oil were introduced.

介绍煤焦油中萘含量测定的两种方法:蒸馏结晶法和气相色谱法,对两种方法的优缺点及分析结果进行了对比.

The quantitative determination of inosine inosinic acid was conducted by High Performance Liquid Chromatography ( HPLC ).

本试验改进了肌肉中肌苷酸测定的 高效液相色谱 法.

PFIB gas chromatography operational condition is given for reference.

提供了PFIB的气相色谱分析的具体操作参考条件.

The progress on supercritical fluid chromatography ( SFC ) using in preparative chiral pharmaceuticals is summarized.

摘要综述了 超临界流体 色谱应用于手性药物的进展.

A method for determination of organochlorine pesticide residues in food by gas chromatography was established.

建立了测定食品中有机氯农药残留的气相色谱法.

The application and improvement of Thin Layer Chromatography ( TLC ) methods in synthesis of dyes were introduced.

本文介绍了薄层色谱 ( TLC ) 在染料合成中的应用和改进方法.

A new method for the determination of acid in liquorice extract by ion chromatography was established.

建立了用离子色谱测定甘草提取物中残留草酸含量的新方法.

A method was developed for the determination of sodium monofluoroacetate in human blood by ion chromatography.

建立了离子色谱法测定血液样品中灭鼠剂氟乙酸钠的方法.

The relations between gas chromatography retention of 23 organophosphorus pesticides and their chemical structure were studied.

对23种有机磷农药的气相色谱相对保留值与其化学结构的关系进行了探讨.

A method for the purification of solanesol by preparative liquid chromatography was proposed.

比较了茄尼醇提取物粗提纯方法;采用液相制备色谱法进行粗提纯.

Thermogravimetric analysis and gas chromatography are applied to study the typical components of medical waste.

分别用热重法和气相色谱法对医疗垃圾典型组分的热解和气化进行了研究.

High speed countercurrent chromatography ( HSCCC ) was successfully used for the separation and preparation of isomeric compounds.

应用高速逆流色谱法对同分异构体.分离纯化进行研究.

Ion chromatography method is one of traditional methods for analyzing smoke gases in the fire.

离子色谱法是分析火灾烟气成分的主要分析方法之一.

The quality control method includes thin layer chromatography material identification and weight process for content measurement.

该方法采用薄层色谱法进行鉴别,采用重量法进行含量测定.

The purity of dimethyl disulfide was determined by capillary gas chromatography.

应用毛细管气相色谱法测定二甲基二硫的纯度.

The quantitative determination of inosine and inosinic acid was conducted by High Performance Liquid Chromatography ( HPLC ) .

采用 高效液相色谱 对风味酱中的肌苷、肌苷酸进行定量分析.

The factors affecting the separation of metal chelate interaction chromatography also were studied.

另外还对影响螯合色谱分离的因素进行了初步的探讨.

Methods: The constituents were separated and purified by column chromatography normal phase silica gel and polyamide.

方法用色谱法分离化合物,根据理化性质和光谱数据鉴定结构.