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Sensitivity to total sulphur by Flame-photometric detector is which of the following levels?

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Sensitivity to total sulphur by Flame-photometric detector is which of the following levels?

(a) 0.1 ppm

(b) 1 ppm

(c) 2 ppm

(d) 0.01 ppm

I got this question in semester exam.

My doubt is from Sulphur Di-oxide Monitoring in chapter Pollution Monitoring Instruments of Analytical Instrumentation

1 Answer

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Best answer
The correct choice is (d) 0.01 ppm

Easiest explanation: Sensitivity to total sulphur by Flame-photometric detector is 0.01 ppm. Here, sample air is introduced into a hydrogen-rich air flame.

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