Which of the following is the full scale range of Gas chromatography method used

Question

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

Options:

A . 0-200 ppm

B . 0-500 ppm

C . 0-1 ppm

D . 0-50 ppm

Answer: Option A
Answer: (a).0-200 ppm

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