Describe how the process of filtration can be used to separate a mixture into its components. Give an example. Explain the difference between fractionation and distillation. Describe how the separation of mixture is done using thin layer chromatography. ...
by which molecules or atoms move from their higher concentration to their lower concentration. In respiration, this process takes place in the blood capillaries as already mentioned in the lesson you've attached, "But how do the lungs take oxygen out of the air and get it into the ...
Fortunately, most of us don't have to deal with such things—but HEPA filtration is still very useful and important in factories and workplaces, especially in environments where dust is produced as part of the manufacturing process.Sponsored links ...
Convert 3-(2-nitro-1-methylamino-phenyl-4-yl) -Carboxylic acid-(N-2-pyridyl)amide-ethyl propionate (10.0g, 0.027mol) was dissolved in 120ml absolute ethanol, 1.0g 10%Pd/C was added, and the reaction was continued for 20h at 30atm. After filtration and concentration, 3-(1-methylamino-...
9 Describe the large-scale production of a named antibiotic and explain the importance of each stage of the process. 相关知识点: 试题来源: 解析 1.named antibiotic;2. fungus / bacterium / correct named;3.fermenter;4.sterilised / steam + to prevent contamination AW;5.carbohydrate (or named) ...
aLinearity that establishes the linearity of the total analytical process by analyzing standards (through the liquid–liquid extraction) at lev-els between 0.0016–0.05 mg.ml–1. 通过分析标准建立总分析过程线性通过 (液体液体提取在) 水平在0.0016-0.05 mg.ml-1之间的线性。 [translate] aHowever, you...
Samples were rapidly separated from external buffer and collected by filtration onto a 0.45 μm pore size nitrocellulose filter (GE-Healthcare, Little Chalfont, UK), and washed with another 2 mL of the same solution. Filters were dissolved in 2 mL of scintillation solution (Emulsifierplus, ...
What are the effects of the sympathetic nervous system on the glomerular filtration rate (GFR)? Explain the process for negative feedback in the endocrine system. Explain how urea is involved in concentrating the urine of mammals. (a) Explain t...
After the reaction, the solid precipitate (mainly CaCO₃) settles down. Any remaining solid that does not settle can be removed using a filtration process. This method of treating hard water is known as Clark's process. 5. Conclusion: The treatment of permanent hard water with slaked lime...
Explain the role of enzymes in a living cell. Describe the histological differences between the liver and the pancreas. Blood filtration in the kidneys occurs in two stages: filtration and reabsorption. Explain what happens in each stage. What is the normal function of the liver? How does it ...