搜索结果: 1-15 共查到“Solvents”相关记录28条 . 查询时间(0.053 秒)
Utilization of Egyptian Tomato Waste as a Potential Source of Natural Antioxidants Using Solvents, Microwave and Ultrasound Extraction Methods
Egyptian Tomato Waste Natural Antioxidants
2016/6/2
This study was conducted to access the extraction yield of antioxidant and their activity from Egyptian tomato waste. Conventional and novel assisted extraction methods (ultrasound and microwave) usin...
Cassava roots: perspectives of a traditional staple for bio-solvents production
cassava starch Clostridium acetobutylicum acetone butanol ethanol organic acid lactic acid acetic acid butyric acid
2015/3/30
The culture media prepared from mashed cassava and cassava starch were used to test their convertibility into organic solvents such as acetone, butanol, and ethanol. The trials were conducted in Erlen...
Effects of highly volatile organochlorine solvents on nitrogen metabolism and microbial counts
microbial counts soil nitrogen cycle tetrachloroethylene 1,1,1-trichloroethane trichloroethylene
2015/3/5
The effects of highly volatile organochlorine solvents (1,1,1-trichloroethane, TCET; trichloroethylene, TCE; and tetrachloroethylene, PCE) on soil nitrogen cycle and microbial counts were investigated...
Separation of Phosvitin from Egg Yolk without Using Organic Solvents
Phosvitin Extraction Method pH Iron Binding Ability
2016/5/12
The objective of this study was to develop a new method to separate phosvitin from egg yolk without using organic solvents. Phosvitin was extracted from yolk granules using 10% NaCl or 10% (NH4)2SO4 (...
Analytical Conditions and Separation Performance of Capillary Chromatography Based on the Tube Radial Distribution of Aqueous–Organic Mixture Carrier Solvents under Laminar-Flow Conditions
Analytical Conditions Separation Performance Capillary Chromatography Based
2010/9/14
We have developed a capillary chromatography system using an open capillary tube made of fused-silica, polyethylene, or poly(tetrafluoroethylene), and a water–hydrophilic–hydrophobic organic mixture c...
Determination of Water Content in Organic Solvents by Naphthalimide Derivative Fluorescent Probe
Determination Water Content in Organic Solvents Naphthalimide Derivative Fluorescent Probe
2010/9/13
A new fluorescence dye, N-amino-4-(2-hydroxyethylamino)-1,8-naphthalimide (AHN), based on 4-bromo-1,8-naphthalic anhydride was synthesized as a fluorescence probe for determining water content in orga...
Capillary Chromatography Based on Tube Radial Distribution of Aqueous–Organic Mixture Carrier Solvents: Introduction of Double Tubes Having Different Inner Diameters to the System
Capillary Chromatography Tube Radial Distribution Aqueous–Organic Mixture Carrier Solvents
2010/9/20
A tube radial distribution chromatography (TRDC) system was previously developed using an open capillary tube and an aqueous–organic solvent (water–acetonitrile–ethyl acetate) mixture as a carrier so...
Dissolving efficacy of some organic solvents on gutta-percha
Endodontics Retreatment Solubility Gutta-percha Solvents
2009/10/19
The aim of this study was to evaluate the solubility of gutta-percha in four organic solvents used in endodontics. The solubility of gutta-percha (Dentsply) was assessed in xylol, orange oil, eucalypt...
Investigation of Extraction of Lactic Acid With Alamine -336 Using Different Diluting Solvents
Extraction Lactic Acid Alamine-336 Loading Factor
2009/10/14
The aim of this study was to investigate the e ect of acid and Alamine-336 concentrations, solvent types and mixing patterns on the extraction eciency of lactic acid from aqueous solutions with Alami...
Gold nanoclusters as colloidal catalysts for oxidation of long chain aliphatic 1,2-diols in alcohol solvents
1,2-diol selective oxidation gold nanoparticle colloidal
2009/7/28
Long chain aliphatic 1,2-diols like 1,2-hexanediol and
1,2-octanediol can be converted to the corresponding
-hydroxy-alkanoates with total chemoselectivity,
in an oxidation catalyzed by an aque...
A Comparison between Extractant Solvents in the Quantitative Analysis of Total Petroleum Hydrocarbons in Soil Samples
Total petroleum hydrocarbon Contaminated soil Extractant solvent
2009/7/24
Any given method for the analysis of semi-volatile total petroleum hydrocarbons (TPH, C10-C36) in contaminated soil is made up of a number of procedures, each of which may be subject to improvement o...
Long-term Pollen Storage in Vitis coignetiae Pulliat with Organic Solvents
Organic Solvents Pollen Storage Artificial pollination
2009/7/13
To stabilize the yield of fruit production in Vitis coignetiae Pulliat, which is a dioecious plant that requires pollination for fruiting, we investigated long-term pollen storage using organic solven...
Cytochrome P-450 Reductase Activities in the Liver Microsomes of Diabetic Rats Induced With Some Chemical Solvents
Cytochrome P-450 Reductase Diabetic Rats Chemical Solvents
2009/7/2
Cytochrome P-450 Reductase enzyme is an important enzyme providing electrons to the microsomal cytochrome P-450 enzyme system metabolizing some endogenous subtances forming in the liver, drugs, chemic...
The Influence of Different Solvents and Extraction Regimes on the Recovery of Chlorophyll a from Freshwater Phytoplankton
Chlorophyll extraction efficiency ethanol acetone extraction regimes lake phytoplankton
2009/6/10
The extraction of chlorophyll a (Chla) with 90% acetone and 96% ethanol was compared in different Estonian stratified lakes and in polymictic Lake Võrtsjärv. The effect of the extraction r...
Prediction of Diffusion Coefficients of Liquid and Solid Solutes in Supercritical Solvents
diffusion coefficient supercritical fluids
2009/3/25
Prediction of Diffusion Coefficients of Liquid and Solid Solutes in Supercritical Solvents.
