FT IR SPECTROSCOPY QUIZ

Thermal conductivity

Electron-capture detector

All of these

Infra-red detector

The velocity of the mobile phase

The migration rate of an analyte through a column

The distribution of an analyte between the stationary and the mobile phase

All of these

control elution of the different analytes

all of these

reduce band broadening to get sharper peaks

prevent analyte condensation within the column

Increased resolution

Non-linear detector response

Decreased resolution

Constant resolution

(2)0.5

3

4

2

analyse volatile compounds from solid or liquid samples

analyse the column contents ahead of the sample

determine the psychological state of the tutor

determine non-volatiles

Gas chromatography is used to analyse gases

All of these

Gas chromatography is used to analyse gases, solutions and solids

Gas chromatography is used to analyse solids

Increased sample capacity

Increased resolution

Reduced risk of column overloading

All of these

all of these

retention time

retention index

retention factor

square root of the number of theoretical plates in a column

cube root of the number of theoretical plates in a column

square of the number of theoretical plates in a column

number of theoretical plates in a column