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Which of the following is not an example of depth filters?

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+1 vote
in Fermentation Technology by (72.1k points)
Which of the following is not an example of depth filters?

(a) PTFE membranes

(b) Glass fiber

(c) Cotton

(d) Sintered Metals

The question was asked in an online quiz.

The origin of the question is Filter Sterilization in section Sterilization of Fermentation Technology

1 Answer

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Best answer
Correct answer is (a) PTFE membranes

To explain: The PTFE (Poly Tetra Fluoro Ethane) is an example of an absolute filter. Whereas the glass fibers, cotton, sintered metals are used as depth filters or non-fixed filters.

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