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ICP-MS

INDUCTIVELY COUPLED PLASMA- MASS SPECTROMETER (ICP-MS)

Make: Thermo scientific X series II

Principle: ICP-MS is a multi-element technique that uses an ICP plasma source to dissociate the sample into its constituent atoms or ions. The ions are extracted from the plasma and passed into the mass spectrometer, where they are separated based on their atomic mass-to-charge ratio by a quadrupole or magnetic sector analyzer and detected by electron multiplier.

 

Strengths

Limitations

Excellent detection limits

Method development skill is required

Multi-element

Higher initial capital cost

High productivity

Some spectral interferences, but well defined

Very economical for many samples and/or elements

Limited to <0.2% dissolved solids

Wide dynamic range

Destructive technique

Isotopic measurements

  

Fast semi quantitative screening

  

Hybrid techniques LA-ICP-MS (solids) LC-ICP-MS (speciation)

  

Easily interpretable spectra

  
 

Applications of ICPMS in various fields:

A very wide variety of sample materials have been analyzed for most elements in the periodic table.

Some applications of solution ICP-MS include:

• Geological studies: trace element analysis of rocks, sediments, soils and soil leachates mineral separates

• Environmental analysis: trace element analysis of fresh, saline and sediment pore waters

• Clinical analysis: trace element analysis of human teeth and bones, food, fish bones, blood.

· Metallurgical studies: semi-conductor materials, metals, archaeological materials, ceramics, etc.

Instrument parameters

 Neb

 nebulizer back pressure

 ~2bar

Fwd

 Forward power- minor pg

 1412W

 Ref

 Reflected power from plasma

< 5 W

Exp

 Expansion pressure

 2mbar

 Ana

Analyzer pressure

2.9x10-7

 Speed

Turbo pump speed

1000Hz

Working range: 5, 10, 25, 50, 100ppb

Working range: 5, 10, 25, 50, 100ppb

Working range: 5, 10, 25, 50, 100ppb

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Dr. U. Rambabu,M.Phil.;Ph.D
Quality Manager		  
C-MET, IDA, Phase III, Cherlapally,
HCL Post, Hyderabad- 500051
Email: rambabu[at]cmet[dot]gov[dot]in;
rambabu32[at]rediffmail[dot]com
Ph :+91-40-27265673; 2720327;
Mobile: +91-9441435672;
9010984021
Fax: +91-40-27261658

 

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