Types of spectrometers, Chemistry

Assignment Help:

Types of spectrometers:

The two types of spectrometers for ICP-AES are: sequential spectrometers and simultaneous spectrometers. Those have the capabilities of measuring the various elements present within the analyte in a sequential manner or simultaneously.  Of these, the sequential spectrometers are less expensive and more flexible but usually require a higher degree of operator skill and experience. On the other hand, the simultaneous spectrometers are more precise and accurate and are obviously more expensive.

The qualitative analytical determination of different elements on the basis of characteristic emission spectrum has developed a lot. The qualitative analysis is based on the principle that each element has a characteristic spectrum consisting of the most persistent lines and the characteristic lines. On the other hand the intensity of an elemental atomic or ion line is used as the analytical signal in quantitative atomic emission spectrometry. Actually the spectral intensities are unequivocally associated to the elemental concentration within the analyte. Thus, in practice, AES is an associative method and a calibration has to be performed.

An ICP- AES spectrum is influenced by spectral, physical and chemical interferences and suitable procedures are to be followed to undertake analytical determinations using ICP-AES.


Related Discussions:- Types of spectrometers

The maximum energy is present in any electron, The maximum energy is presen...

The maximum energy is present in any electron at: (1) Nucleus      (2) Ground state (3) First excited state (4) Infinite distance from the nucleus Ans: Infinite dis

Occurrence of group 13 element, Q. Occurrence of group 13 element? Both...

Q. Occurrence of group 13 element? Both boron and aluminium have a high affinity for oxygen, so neither of them is found native. Boron occurs principally in the earth's crust a

STUDYING, HOW TO PREPARE IN EXAMS IN EASY MANNER?

HOW TO PREPARE IN EXAMS IN EASY MANNER?

Propose a mechanism for substitution of an aryl bromide, Nucleophilic aroma...

Nucleophilic aromatic substitution is possible, but involves substitution of a typical leaving group rather than a hydrogen atom. Remembering that S N 2 and S N 1 mechanisms are no

Colloidal, explain colloidal in a huge way with example and diagram

explain colloidal in a huge way with example and diagram

Polarography, Describe the following electrochemical methods in terms of th...

Describe the following electrochemical methods in terms of their working principles instrumentation and applications i. Potentiometry ii. polarography iii. Conductometry

Law of conservation of mass, what are the applications of law of conservati...

what are the applications of law of conservation of mass ?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd