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Which of the following is not a surface active contaminant?

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+2 votes
in Fermentation Technology by (72.1k points)
Which of the following is not a surface active contaminant?

(a) Proteins

(b) Fatty acids

(c) Nucleic acids

(d) Lipids

I got this question in an interview for internship.

This is a very interesting question from Aeration and Agitation in section Aeration and Agitation of Fermentation Technology

1 Answer

+2 votes
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Best answer
Correct option is (c) Nucleic acids

The best I can explain: The surface active contaminants include proteins, amino acids, fatty acids, lipids, esters, etc. It has a major effect on the accuracy of sulphite oxidation technique.

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