Q. Which of the following is not the characteristic of flame ionization detector?

View solution

Q. In flame ionization detector, the ions collected on the negatively charged grid are amplified at the high impedance amplifier.

View solution

Q. Which of the following methods make use of pyrolysis while used for detecting methane?

View solution

Q. In flame ionization detectors, which of the following is the range adequate for atmospheric sampling?

View solution

Q. Propane would give three times the intensity of response as compared to methane.

View solution

Q. Which of the following organic compounds will have the highest intensity of response when introduced in a flame ionization detector?

View solution

Q. How can carbon monoxide be detected using flame ionization detectors while using gas chromatography technique?

View solution

Q. Flame ionization detectors are sensitive to which of the following gases?

View solution

Q. Which of the following is the most abundant hydrocarbon which is emitted into the atmosphere by biological activity?

View solution

Q. Which of the following methods cannot be used for the estimation of hydrocarbons?

View solution

Q. CO analyzers based on infrared absorption would give greater sensitivity under which of the following conditions?

View solution

Q. Hydrogen flame ionization detector can be used to detect only the peak of CO and not methane.

View solution

Q. Which of the following is not a component of the mixture present in the reference cell of Non-dispersive infrared analyzer?

View solution

Q. A stripper column used in gas chromatography, can be used to retain which of the following when an air sample is passed through it?

View solution

Q. The disadvantage of Non-dispersive infrared analyzer is that the effect of flow rate is large.

View solution

Q. The zero of the scale is calibrated using which of the following as the sample?

View solution

Q. Non-dispersive infrared analyzer depends on the characteristic absorption of the CO molecule at a wavelength of __________

View solution

Q. Which of the following are not the characteristics of Non-dispersive infrared analyzer method?

View solution

Q. Which of the following is the full scale range of Gas chromatography method used for measurement of carbon monoxide?

View solution

Q. Which of the following is the full scale range of Infrared spectroscopy method used for measurement of carbon monoxide?

View solution