Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Define Thin Layer Chromatography?
This is an improvement over paper chromatography and uses thin layers of slurried absorbents like silica gel, alumina, cellulose, Kieselguhr, modified celluloses and polyacrylamide on glass plate or plastic sheet. This facilitates the adhesion of the adsorbent to the plate, binding agents such as calcium sulphate is incorporated into the slurry. Sometimes, the slurry is mixed with fluorescent dye for compounds to fluoresce under UV light. The method of running the chromatography is almost the same as that of paper. The advantage of TLC over paper chromatography is the time required for development is considerably less and secondly the fineness of the adsorbent powder ensures very rapid capillary flow of the solvent along the layer of adsorbent and hence considerable sharpness of the spots from original.
The methods for detecting the spots are same as paper, with an added advantage of spraying with 25% H2SO4 or keeping the plate in iodine vapours. Both the methods are useful for qualitative and quantitative purposes.
how to write character of porifera
Q. What is Exudative diarrhoea? Exudative diarrhoea: It is associated with the mucosal damage leading to out pouring of mucus, blood and plasma proteins with a net accumulation
floral formula of family rosaece
Q. Cows swallow their food once and then this food goes back to the mouth to be chewed again. How can this phenomenon be explained? The food ingested by cows and other ruminant
Phase (different interference) Contrast microscopy: Living cells are mostly transparent. For viewing under ordinary light microscope, therefore, live cells must be stained wi
The book that I rented is missing some pages. How can i get a replacement?
Ask que1. Design a 4 colour Flow cytometry experiment with an aim to identify B220-, CD3+, CD4+ (DOUBLE POSITIVE) AND B220+, CD3-, CD4- (DOUBLE NEGATIVE) cells. Select from the fol
TETRASACCHARIDES The oligosaccharides are formed by condensation of four monosaccharides. T rachyos e is a nonreducing tetrasaccharide found in plants as transport ca
Flowering - Development of plant One of the major changes that occur during the life cycle of a plant is the transition from vegetative stage to the flowering stage. In this t
Define Safety points that should used in the Laboratory? You should be aware of the rules/regulations and the procedures before undertaking any practical work in the laboratory
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd