Gas Chromatography Principles Quiz

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What is the function of the carrier gas in Gas Chromatography?

To bond to the inside of the column

To control the flow of the mobile phase

To stabilize the thermal properties of the analyte

To transport the sample through the system (correct)

What is the stationary phase in gas-liquid partition chromatography?

Solid support bonded to the column

Nonvolatile liquid bonded to the inside of the column (correct)

Carrier gas used for transportation

Gaseous mobile phase transporting the analyte

What must be the purity level of the carrier gas in Gas Chromatography?

Exactly 100%

Around 95%

Greater than 99.9995% (correct)

Between 80-90%

Which component of a Gas Chromatograph is responsible for controlling the flow of the mobile phase?

Flow control Signup and view all the answers

What type of compounds are suitable for GC analysis?

Compounds with sufficient volatility and thermal stability Signup and view all the answers

What are the different ways of Measures of departure from central tendency?

Variance, Standard deviation, Range Signup and view all the answers

What are the different ways of Measures of central tendency?

Mean, Median, Mode Signup and view all the answers

If the Standard deviation and Mean of a data is 2 and 20 respectively, calculate coefficient of variation.

10% Signup and view all the answers

The limit on the Relative standard deviation for one of the analytical methods is set as ≤ 5%. If the Relative standard deviation obtained for the same method at a later stage is 2.5%, is the method considered acceptable?

Yes, the method is considered acceptable Signup and view all the answers

What is Relative standard deviation and how is it presented (unitage)?

It is the standard deviation expressed as a percentage of the mean Signup and view all the answers

Gas Chromatography Principles Quiz

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Questions and Answers

What is the function of the carrier gas in Gas Chromatography?

What is the stationary phase in gas-liquid partition chromatography?

What must be the purity level of the carrier gas in Gas Chromatography?

Which component of a Gas Chromatograph is responsible for controlling the flow of the mobile phase?

What type of compounds are suitable for GC analysis?

What are the different ways of Measures of departure from central tendency?

What are the different ways of Measures of central tendency?

If the Standard deviation and Mean of a data is 2 and 20 respectively, calculate coefficient of variation.

The limit on the Relative standard deviation for one of the analytical methods is set as ≤ 5%. If the Relative standard deviation obtained for the same method at a later stage is 2.5%, is the method considered acceptable?

What is Relative standard deviation and how is it presented (unitage)?

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