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Hydride generation method:
The hydride generation method of sample enhances the detection limits by a factor of 10 to 100 by converting the analyte element into a volatile hydride. Some of the elements for which this method can be used are As, Sb, Sn, Se, Bi and Pb.
The matrix modifier is a commonly acceptable method used to reduce background effects in GFAAS. In that method, a reagent is added to the sample that acts by modifying the sample matrix and thereby reduces the problem of background. In some cases the modifier may modify the analyte also.
The sensitivity of electrothermal AAS is much higher as compared to the flame AAS because in the furnace a much higher concentration of atomic vapour can be maintained as compared with flames. Additionally, in this method, the dilution of the analyte by the solvent is avoided as the solvent is evaporated before the atomisation step.
State the term - Ferrites Ferrites are used as ferromagnetic materials for high frequency applications like TV tubes, memory devices, high-speed switches, microwave application
Short note of synthesis of dry and bhc
Middle oil of coal-tar distillation comprise naphthalene and phenolic elements. Phenolic compounds are isolated in subsequent steps. Step a: Middle oil is washed along with H 2
He- is p block element
1. (a) Reacting Pt 2+ with two equivalents of each of the ligands NO 2 - and en, it is possible to prepare several complexes that could be described as both geometric and opti
NUMERICAL OF KOHLRAUSCH LAW ON CONDUCTIVITY
Substitution reactions Replacement of a molecule or set/group of the substrate by any another type of atom or group is termed as substitution reactions. Examples :
what is solution
Which one of the following compound is ionic: (1) KCl (2) CH 4 (3) Diamond (4) H 2 Ans: KCl
examples of masking agents and substance used for
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