apropan-1,3-dione in 1000L ethanol 37 was added 76 Kg Hydroxylamine hydrochloride 38. The mixture was stirred for 1 hour and evaporated to dryness. The residue was dissolved in dichloromethane and washed with water, separation and the organic layer was evaporated to dryness and the residue was...
apropan-1,3-dione in 1000L ethanol 37 was added 76 Kg Hydroxylamine hydrochloride 38. The mixture was stirred for 1 hour and evaporated to dryness. The residue was dissolved in dichloromethane and washed with water, separation and the organic layer was evaporated to dryness and the residue was...
We have found that a dichloromethane (DCM) extract from leaves of Decachaeta incompta exhibit antiprotozoal activity on Entamoeba histolytica and Giardia l... F Calzada,L Yepez-Mulia,A Tapia-Contreras - 《Latinoamericana De Quimica》 被引量: 0发表: 2009年 ...
Compounds extracted with dichloromethane from soybean root exudates for two weeks, eight weeks in water-culture were identified and allelopathy were studied by GC-MS analysis. The results showed that:The soybean root exudates extracted with dichloromethane included organic acide, alcohol, ...
aIF HAPPY AND YOU KNOW IT CLAP YOUR HANDS 如果愉快和您知道它拍手您的手 [translate] aRemoval of the dichloromethane by evaporation at reduced pressure yielded 108 g (99%) of crude product, which was subsequently separated into two components by fractional distillation: 二氯甲烷的撤除由蒸发以减少...
The compounds investigated were: bromochloromethane, bromodichloroznethane, chlorobenzene, chloroform, dibromochloromethane, 1,2dichloroethane, dichloromethane, tetrachloroethylene, carbon tetrachloride and trichloroethylene. A total of 400 samples were analyzed. The results obtained showed that the range of ...
stem dichloromethane. SEA: stem ethyl acetate. SBUT: stem butanol. SRW: stem residual water. Data in the bar chart is expressed as mean ± standard deviation. Values with different letter superscripts in a column are significantly different (p< 0.05), and same letter represents non-significance...
(2009) evaluated the antioxidant activity of ethanolic extract, dichloromethane extract and essential oil from Aroeira leaves and observed that the ethanolic extract presented the highest antioxidant activity, with free radical sequestration above 80% [25]. Molecules 2017, 22, 1792 5 of 11 Differences...
Methylene Chloride is one of the low-boiling-Point industrial solvents that have small ltoxicity, no inflammable.It has good solubility for many resin, waxand fat, soluble in water slightly, easy soluble in other chloro solvent, ethoxyethane and ethanol. Dichloromethane can take place h...
The primary emulsion (w(1)/o) composed of the BLD aqueous solution and dichloromethane (DCM) dissolved PLGA was prepared with the micro homogenizer. The secondary emulsion (w(1)/o/w(2)) Was prepared by the SPG membrane emulsification technique. BLD/PLGA microspheres of various micro level ...