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Role of organic solvents in atomisation:
The organic solvents of low molar mass like alcohols, ethers, and ketones enhance the absorption peaks by increasing rate of aspiration, nebulisation efficiency, formation of finer droplets, and more efficient evapouration or combustion of the solvent. Therefore, their presence makes the sample solution more dilute and the advantage is lost. Thus, the analyte is extracted into a suitable solvent and the organic phase is directly aspirated into the flame. This method increases the atomisation efficiency and eliminates a number of chemical interferences.
A transient signal that lasts for a few seconds is produced in GFAAS whereas in flame AAS a steady absorption signal is obtained.
what type of products are gained after electrolytic conduction and in which matter?
Preparation of benzaldehyde by etard''s reaction
The density of pure silver is 10.5 g/cm^3 at 20C. If 5.25g of pure silver pellets is added to a graduated cylinder containing 11.2 mL of water, to what volume level will the water
Applications of hyperconjugation (A) Carbon-carbon double bond size in alkenes: As we know previously that the more is the number of resonating structures, the very much will
While studying evolution, a student comes across a cladogram that includes clades like amphibia, reptilia, aves, and mammalia. What must be the basal clade?
acidic radicals tests
Show by means of equations and reagents, how the following conversion would be achieved? Propyne to butanoic acid
Q. Illustrate modern atomic model of De Broglie? 1. Electrons inhabit the space surrounding the nucleus and can exist in several discrete principal energy levels each designate
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Q. What is Percent error? Quantities measured throughout an experiment are called experimental values. The dissimilarity between an accepted value and an experimental value is
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