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ethyl ether ethyl ether =ether.

ethylate

In order to separate the l - lactic acid and lactic acetate , the adsorption chromatography was utilized besides the extraction with ethyl ether . the operation conditions for resin a was initial 15 % lactic acid , ph 6 . 5 , temperature 30 , flow velocity 2 . 28 ml / min taking the condition of optimal enzymatic reaction , the amount of adsorption and natural hydrolyzation of lactic acetate into account 綜合考慮酯酶的最適反應條件、樹脂吸附量和乳酸乙酯的自發水解情況,確定酶解底物乳酸乙酯濃度為15 ,上柱條件為; ph值為6 . 5 ,溫度為30 ,流速為2 . 28ml min 。

Division i main business of organic solvents and ink paint adhesive plastic chemicals used in rubber industry functional aids / paint / resin / rubber products kinds of raw materials , these solvents include : organic solvents : esters , chunlei , milei , acids , benlei , three carbofuran , pce , acetone , dingmi , ethyl ether , glycol ether acetate esters , glycol ether acetate esters , fertilizer category include : flow ping agent xiaopaoji decentralized agents zengchouji microbicides fangmeiji even dry run of organic and inorganic pigments powder paint size 我司主要經營有機溶劑化工品和油墨涂料粘合劑塑料橡膠行業所用功能助劑/顏料/樹脂/橡膠粉等原材料產品,其中溶劑包括:有機溶劑:酯類,醇類,醚類,酸類,苯類,三氯乙烯,四氯乙烯,丙酮,丁醚,乙醚,乙二醇乙醚醋酸酯,丙二醇甲醚醋酸酯,助劑類包括:流平劑消泡劑分散劑增稠劑殺菌劑防霉劑催干劑及各類有機無機顏料粉和顏料漿液。

China sesameseed : moisture ( max ) 8 % , admixture ( max ) 2 % , oil content ( wet basis ethyl ether extract ) 52 % basis , should the oilcontent of the goods actually shipped be 1 % higher or lower , the price will be accordingly increased or decreased by 1 % and any fraction will be proportionally calculated 例如:中國芝麻:水分(最高) 8 % ,雜質(最高) 2 % ,含油量(濕態乙醚浸出物) 52 %基礎,如實際裝運貨物的含油量高或低1 % ,價格相應增減1 % ,不足整數部分按比例計算。

5 . detection : the samples were extracted with ethyl ether . the lidocaine in the sample was qualitated by rf and a tlc scanning spectrometry , quantitated by a tlc scanning chromatography and a two points external standard method or a standard curve method 5 、利多卡因檢測方法:樣品堿化處理后,乙醚提取,薄層掃描檢測,根據利多卡因的rf值結合光譜掃描圖定性,外標兩點法或標準曲線法定量。

Light yellow paste or powder , soluble in ethanol and ethyl ether , insoluble in water , very soluble in alkaline solution 1 )淺黃色膏狀物或粉末,溶于乙醇和乙醚,不溶于水,易溶于堿溶液。

Determination method for l - ascorbic acid in fruit and vegetable juice beverages - ethyl ether extraction method 果蔬汁飲料中l -抗壞血酸的測定方法乙醚萃取法

Structural identification of the products from nopyl - ethyl ether ozonization by gc - ms and gc - ftir 配合分析確認諾卜基乙基醚臭氧化產物的結構

Synthesis of - naphthyl ethyl ether catalyzed by copper chloride with microwave irradiation solvent - free system 2催化合成對羥基苯甲酸正丁酯

Workplace air - determination of ethyl ether - direct injection gas chromatographic method 車間空氣中乙醚的直接進樣氣相色譜測定方法

Phospholipid for import and export . method for determination of insoluble residue in ethyl ether 進出口磷脂.乙醚不溶物檢驗方法

Ethyl ether for industrial use 工業用乙醚