Which of the following is not a feature of carrier gas used in gas chromatography?(a) It must be chemically inert(b) It should be suitable for the detector employed(c) It should not be completely pure(d) It should be cheapThe question was asked in homework.My enquiry is from Gas Chromatography topic in chapter Chromatography of Analytical Instrumentation

Which of the following is not a feature of carrier gas used in gas chr

1.	Which of the following is not a feature of carrier gas used in gas chromatography?(a) It must be chemically inert(b) It should be suitable for the detector employed(c) It should not be completely pure(d) It should be cheapThe question was asked in homework.My enquiry is from Gas Chromatography topic in chapter Chromatography of Analytical Instrumentation
Answer» Right choice is (c) It should not be COMPLETELY PURE To explain: It should be highly pure. Further, it should be readily AVAILABLE and non-inflammable.

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