Ganciclovir could be purified to more than 99.0%(HPLC) by a combination of acetone, acetic acid and water in 83.3% recovery as compared with 30% one when using water or methanol as solvent.
相比目前使用的水或甲醇溶剂纯化收率30％，发现以丙酮、乙酸、水的溶剂体系，精制更昔洛韦收率可显著提高到83.3％，高效液相色谱（HPLC）分析，产品纯度达到99.0％以上。
Soluble in water and insoluble in ethanol, acetone or glacial acetic acid.
在水中易溶，在乙醇、丙酮或冰醋酸中不溶。
It is soluble in acetone, glacial acetic acid, glycerin and inorganic strong acid, not soluble in ethanol.
溶于冰醋酸、甘油和无机强酸，不溶于乙醇。
Prop. :White triangle crystal, easy deliquescence, with taste of acetic acid, soluble in water and ethanol, insoluble in acetone.
性状：白色三角晶体。易潮解，稍有醋酸气味。溶于水和乙醇，不溶于丙酮。
It is not dissolved in ethanol without water, acetone, aether and grease. It is red in acid, reddish brown in neutral and dark red-brown in alkaline.
在酸性水溶液中呈透明的鲜艳红色，在中性水溶液中呈红棕色，在碱性水溶液中呈透明的深红棕色。
The process includes hydrochloric acid pretreatment, acetone extraction, hydrolysis of astaxanthin esters by catalysis of basic ion exchange resin, and adsorption separation.
该工艺包括粗色素油的提取，虾青素酯的水解和虾青素粗品的纯化。
Disadvantages: not impact resistance, resistance to acetone, endure not sulfuric acid or oxidant, such as nitric acid or water cut chlorine.
缺点：不耐冲击，不耐丙酮，不耐浓硫酸或氧化剂，如浓硝酸或含水氯。
Its major use is in the production of acetic acid and its derivative acetone and various acetates, and of numerous other organic chemicals.
它主要用于生产醋酸及其衍生物和各种醋酸酯，以及生产许多其他有机化学品。
The effect of four factors, reaction time, solvent-to-solid ratio, acid-to-coal ratio and the water content in extraction mixture, were studied on the extraction rate of acetone-sulfuric acid method.
研究反应时间、液固比、酸煤比、提取液含水量四个因素对硫酸丙酮法提取效果的影响。
The dispersing agent is sulfonated acetone-formaldehyde polycondensate or amidosulfuric acid.
降滤失剂 为聚乙烯醇或丙烯酰胺共聚物中的一种；
Methods:Red blood cell(RBC) was isolated from the anti-coagulated fresh pig blood, It was hemolyzed by heated water, then heme was extracted with 3% acetone-hydrochloric acid.
方法：采用新鲜猪血抗凝离心后取血球，水浴加热溶血后，用3%盐酸丙酮提取血红素，提取液加鞣酸/氯化锶沉淀分离出血红素。
Methods Hydrochloric acid (HCL) decalcification method and TCA-acetone precipitation method were separately used for bone protein extraction. The efficiencies of these two methods were compared.
方法 采用盐酸脱钙法和三氯醋酸-丙酮沉淀法，分别用于骨组织蛋白的提取，并对两种方法的提取效率进行对比。
Results Fixing in 60% acetone-citric acid for 30 seconds gave out the best staining results;
结果是选择60%的丙酮-枸缘酸固定30秒染色结果最好。
Results Fixing in 60% acetone-citric acid for 30 seconds gave out the best staining results;
结果是选择60%的丙酮-枸缘酸固定30秒染色结果最好。
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