展开剂

TLC条件为氯仿甲醇氨溶液（120∶20∶0.2）作展开剂；

The TLC conditions were as follows : The developing solvent was chloroform - methanol - ammonia solution ( 120 ∶ 20 ∶ 0.2 );

以环己烷-乙酸乙酯（10：1）为展开剂，分离效果好，展开后Rf值适中，斑点清晰。

With cyclohexane-ethyl acetate ( 10:1 ) as the developing solvent , the separation effect is good , the Rf value after developing is moderate , and the spots are clear .

方法选用不同的溶剂和展开剂，比较分离效果和Rf值。

Methods To choose the different dissolvent and developer , to compare the separating effect and Rf .

以二-（2-乙基己基）磷酸酯（P（204））/四氢呋喃/硝酸/多聚乙醛为展开剂薄层色谱法分离铕、钆、铽、镝、钬、铒等元素

Separation of Rare Earth Elements ( Eu , Gd , Tb , Dy , Ho , Er ) by Thin-Layer Chromatography with Di - ( 2-ethylhexyl ) phosphate-Tetrahydro-furan-Nitric Acid-Paraldehyde System as Developer

应用均匀实验设计及其数据处理，对脂肪酶催化维生素E与阿魏酸乙酯转酯生成维生素E阿魏酸酯的薄层色谱展开剂系统进行优化。

In this paper , the TLC developing solvent system for separating alpha-tocopheryl ferulate synthesized by the lipase-catalyzed reaction was optimized by the Uniform Experimential Design .

桂枝：采用硅胶G板，以石油醚（60-90℃）&醋酸乙酯（17：3）为展开剂，显色剂为二硝基苯肼乙醇试液。

Cinnamon twig was identified with petroleum ether ( 60-90 ) - ethyl acetate ( 17:3 ) as developer and dinitrophenylhydrazine ethanol solution as coloration using silica gel G.

选用硅酸G薄层板，展开剂为正己烷∶乙酸乙酯∶醋酸∶甲酸（6∶32∶1∶1）；

Selection thin board of silica gel-G , it opened up is n-Hexane : Ethy 1 acetate : Acetic acid : formic acid ( 6 ∶ 32 ∶ 1 ∶ 1 );

结果表明：两种萃取剂的萃取能力随展开剂的酸度不同而变化。N，N二苯基甘氨酸对5种金属离子的萃取能力强于N正丁基甘氨酸。

As shown by study the extracting powers of two extraction agents are changed with acidy of developer extracting power N , N-diphenyl glycine is stronger than N-n-butyl glycine for 5 metal ions .

后者黄芩的鉴别：硅胶G薄层板，正丁醇-冰乙酸-水（7：1：2）为展开剂，1%三氯化铁乙醇溶液为显色剂；

The identification of Radix scutellariae was silica gel G plate , n-butanol-glacial acetic acid-water ( 7:1:2 ) as the development reagent , chloride ferric ( 1 % ) as color developing reagent .

方法：薄层色谱法鉴别，采用以羧甲基纤维素钠为粘合剂的硅胶G薄层板，以醋酸丁酯甲酸水（7∶2.5∶2.5）上层溶液为展开剂；

Method : TLC method was used for identification with silica gel G plate and butyl acetate formic acid water ( 7 ∶ 2.5 ∶ 2.5 ) upper layer as a developing solvent .

方法：薄层鉴别采用硅胶G薄层板，展开剂：正己烷-醋酸乙酯-冰醋酸（6：4：0.25），显色剂：10%硫酸乙醇溶液；

Methods : Qualitative analysis by TLC , a mixed solvent of n-hexane - ethyl acetate - acetic acid ( 6:4:0.25 ) was employed as the mobile phase , color developing agent was 10 % sulfuric acid and ethanol solution .

同时通过反复试验，结合HPLC检测，确定了以展开剂氯仿：甲醇（90∶10）展开DON毒素的Rf值约为0.45。

Through ( repeated ) tests and HPLC examination , Rf value of DON for TLC was determined as 0.45 with chloroform-methanol ( 90 ∶ 10 , V / V ) as ( expanded ) material .

薄层层析硅胶GF254为固定相，乙酸乙酯甲醇水（7-2-1，v/v/v）为展开剂，熊果苷和氢醌的Rf值分别为0.56和0.67。

The optimal conditions of TLC were as follows : silica gel GF254 as stationary phase , ethyl actate-methanol-water ( 7-2-1 , v / v / v ) as mobile phase .

三萜醇乙酸酯和4-甲基甾醇乙酸酯是采用20%硝酸银-硅胶G薄板，并用二氯甲烷-石油醚（8：2v/v）作展开剂进行分离的。

The acetates of triterpene alcohols and 4-methylsterols are separated by TLC with 20 % silver nitrate impregnated silica gel G , using CH_2CL_2-petroleum ( 8:2v / v ) as developing reagents . The identification of major components is carried out by TLC , m.

TLC法选用硅胶G板，展开剂：环已烷-乙酸乙酯（4∶1），测定波长：610nm，参比波长：420nm。

Silica gel plate was used in TLC with developer : cyclohexane ethyl acetate ( 4 ∶ 1 ), scan wavelength : 610 nm , reference wavelength : 420 nm .

大黄：采用硅胶G板，以正己烷醋酸乙酯甲酸（30：10：0.5）为展开剂，于紫外灯下365nm检视。

Radix et Rhizoma Rhei was identified with n-hexane-ethyl acetate - formic acid ( 30 : 10 : 0.5 ) as developing agent in silica gel G plate .

方法采用TLCS法，展开剂为正丁醇-冰乙酸-水（5∶1∶1），检测波长为345nm。

Methods n-butanol-acetic acid-water ( 5 ∶ 1 ∶ 1 ) was used as a developer , and detection wavelength was 345 nm .

薄层色谱分析显示，葛根素精品在薄层板上呈蓝色荧光斑点，选用氯仿－甲醇（4：1）为展开剂，Rf为0.31；

The blue fluorescence spot on TLC was the sign of puerarin . Choose methanol - chloroform ( 4:1 ) as extending solvent , Its Rf was 0.31 . The data of nuclear magnetic resonance hydrogen spectrum accorded with characteristic of puerarin structure .

方法：采用归胶G板和硅胶GF254板，用不同的展开剂分别对方中苦豆子、决明子和莱菔子进行薄层色谱（TLC）鉴别。

Methods : silica gel G and GF_ ( 254 ) thin layer plates were used and developed by different developing agents to identify the remedium cardinale-sophora seed , Cassia Seed and Radish Seed .

用氯仿－甲醇－甲酸（20：1：0.2）为展开剂，在硅胶G－CMC－Na薄层板上分离齐墩果酸，10%硫酸乙醇溶液显色，用CAMAGⅡ型薄层扫描仪进行定量测定。

Oleanolic acid was developed with chloroform-methanol-formic acid ( 20:1:0.2 ), isolated on the silica gel G-CMC-Na thin-layer plate , colored with a 10 % ethanol sulfate solution , and quantified by the CAMAG ⅱ thin-layer scanner .

用苯丙酮醋酸乙酯甲醇（7∶3∶3∶0.5）为展开剂，在硅胶GF254薄层板上分离槐果碱，然后定位、刮下、洗脱，采用紫外分光光度法进行含量测定。

Using benzene-acetone-ethyl acetate-methanol ( 7:3:3:0.5 ) as developing agent , sophocarpine was separated on silica gel GF254 TLC-plate , then located , scraped , eluted and determined by UV-spectrophotometry .

方法：采用薄层色谱法常用的硅胶GF254薄层板，以醋酸乙酯-异丙醇-浓氨溶液（43∶35∶5）为展开剂，以自身对照法检查磷酸伯氨喹原料的有关物质。

Methods : The related substances were tested by TLC , the coating substances was GF254 , the mobile phase is a mixture of ethyl-isopropanol-concentrated ammonia solution ( 43 ∶ 35 ∶ 5 )( V / V ) .

方法：采用日本岛津CS-930型双波长薄层扫描仪，含0.5%CMC-Na的硅胶G薄层板，展开剂：甲醇-氯仿（1：6），显色：碘蒸气。检测波长430nm，狭缝尺寸：2nm×2nm。

Method : The CS-930 dual-wavelength TLC scanner was selected , silic-gel thin-layer with 0.5 % CMC-Na solution , developing solvent : methanol-chloroform ( 1 : 6 ), coloration : iodine steam , the detection wavelength was 430 nm , slit size : 2 nm × 2 nm .

方法：依据介电常数ε及文献常用的展开剂，采用U5（53）表以均匀设计布点。结果：以较快的速度获得补骨脂有效成分的分离条件。

Methods : Depending on dielectric constant ε of solvents and commonly used developers , the U 5 ( 5 3 ) tables were used to fulfil even design experimental scheme Results : The conditions of separation of effective components in psoralea fruit could be obtained with faster speed .

罗沙替丁醋酸酯合成的薄层色谱展开剂的选择

Selecting Developing Agent in Synthesis Process of Roxatidine Acetate by TLC

胱氨酸和酪氨酸纸层析分离的理想展开剂

Two Suitable Developing Solvents for Isolating Tyr and Cys by Paper Chromatography

对展开剂作了探索，分离和测定结果令人满意。

The results of separation and determination were satisfactory .

茚三酮直接加入展开剂显色的探索

A Method for Adding Ninhydrin Directly to Developing Agent

一种新的展开剂用于氨基酸的薄层色谱分析

Application of a New Developer in Thin Layer Chromatographic Analysis of Amino Acids

虫草菌丝体薄层色谱中两种展开剂的选择

Two kinds of developing solvent choices in Chinese caterpillar fungus mycelium thin layer chromatograph