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What is the purpose of "Internal Standard"?

What is 'Internal Standard''? And what is its purpose?

INTERNAL STANDARDS

Internal Standard

* Absent from your extracts.

* Represents a distinct results.

* It reflects how the analyte being tested behaves

Where can we use

Internal Standard?

It can be used in the following:

Internal standard

Atomic emission spectroscopy

Chromatography

- GC

- HPLC

Mass Spectroscopy

- GC-MS

- LC-MS

Scenario 1

Unknown Analyte

Internal Standard

Scenario 2

Unknown analyte

Internal Standard

Computation

Conclusion

Internal Standard are important to correct any errors during the procedure.

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