The extraction rate of W-ASP was 5.7%, with 56.4% of total polysaccharide content (10.1%);
Conclusion: the extraction rate of refining gossypol is 66.7 and the content 97.7%.
Under these optimal conditions, the extraction rate is 96. 8 %, the productive rate is 9. 98%, the colority (1%,526 nm) and pH value of the extractive are 10. 5 and 6. 5 respectively.
This method is good for extracting rutin with its high extraction rate and low production cost.
利用此法提取芦丁 提取率高、成本低 ,是一种很好的芦丁提取方法。
The extraction rate of E-ASP was 1.8%, with 17.8% of total polysaccharide content.
The 95% extraction rate was obtained with 2.3mol/L NBBSO in 0.200mg/mL Au(I), 0.08mol/L [H+] solution.
The extraction rate of Ru(III) reaches 99.95% when the concentration of NH4SCN,(NH4)2SO4 and ethanol in system are 2.0mg/mL,0.30g/mL and 0.30mL/mL respectively.
The extraction rate of icariin for one time can reach 95.2 % by choosing the Tween 80 concentration at 9 %,the (NH 4) 2SO 4 concentration at 1.667mol/L,the extraction acidity at pH 4.20. 94.2 % of icariin for one time can be counter extracted from the Tween 80 solid phase by fixing the (NH 4) 2SO 4 concentration at 2.121 mol/L.
选择Tween 80浓度为 9% ,(NH4) 2 SO4浓度为 1.667mol/ L ,萃取 p H 4 .2 0 ,淫羊藿甙的一次 萃取率可达 95 .2 % . 选择 (NH4) 2 SO4浓度为 2 .12 1mol/ L ,反萃 p H 10 .30 ,经一次反萃 ,可使 94 .2 %的淫羊藿甙与 Tween80分离 .
The V extraction rate are 21 92%～60 10%, the highest being 74 11%, while the Ga extraction rates are 7 27%～26 52%, the highest being 36 32%.
V的 萃取率一般为21．92％～60．10％，最高达74．11％。 Ga的 萃取率一般为7．27％～26．52％，最高可达36．32％。
The precipitation rateof protein and extraction rate of phytic acid both reach maximum(76.8% and 88.7%respectively) atpH(5.0).
It is indicated by the results that the extraction rate of nickel,copper and cobalt are up to 98%,98% and 90%,and the concentrations of valuable metals are up to 10～12g/L for Cu,13～15g/L for Ni and 2～3g/L for Co,respectively,under the condition of 50% solids concentration in charge and 25～30g/L total ions concentration in ammonia leaching solution.
The results showed that when the dreg of Eucommia seeds was extracted for 3×30min by 60% ethanol with a ratio of 1∶6(dreg∶solvent) at 80℃,the extraction rate of aucubin was 93 62%( n=3 ).
结果表明:以60% 乙醇为提取溶剂,将杜仲粕粉在80℃下按1∶6 的料液比提取3 次,每次30m in,桃叶珊瑚甙的 浸出率为93.62% (n= 3)。
In two-stage counter-currnt leaching with CuCl_2+FeCl_3 solution,the extraction rate of most metals was above 95%.
用 CuCl_2+FeCl_3溶液进行二段递流浸出, 浸出率大都在95%以上。
Indium is recovered from sphalerite concentrate with high content of iron by the new technique of two-step acid leaching under pressure. The results indicate that the leaching rate, extraction rate,reverse- extraction rate and replacement ratio of indium are 92.98%,96.58%,99.32%,99.5%,respectively.
ratio of liquid to material 4:1, the extraction rate was 85.2%.
Analyzing the factors influencing the extraction rate, we find the optimum condition: alkaline hydrolyze time, 101min; alkali additive, 0.46? mol/L;
Effect or Ultrasonic Extraction on Extraction Rate of Berberine
Effect of different ultrasonic frequencies on extraction rate of Leonurine from Leonurus heterophyllus
Result: When decocted three times, 1h each time, with 10 times of water added, the extraction rate of astragalin A was highest from the Chinese medicinal material.
结果用水煎提 3次 ,每次 1h ,加水 10倍量 ,可使药材中黄芪甲甙 提出率最高。
Effect of two extraction methods on extraction rate of Allium Sativum L from ethanol solution of different concentration
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The values of the effective constant of extraction rate (min-1) at pH 6.5, 9.0, and 12.0 were equal to (2.7 ± 0.1) × 10-3, (6.2 ± 0.5) × 10-3, and (15.4 ± 0.7) × 10-3, respectively.
A mathematical model of nonstationary membrane extraction supplemented by the block of the temperature dependences of the extraction rate constants was developed.
Control over Extraction Rate by Means of Forced Marangoni Flows
The extraction kinetics was examined for each temperature and it was surprisingly found that the extraction rate of most components was governed by the first-order kinetics.
Experimental values showed that the oil yield after aqueous extraction from oil pre-enriched protein reached 88.3%, so the total oil extraction rate was 60.8%.