What is meant by the "aliquot portion method"?

Question

What is meant by the "aliquot portion method"?

Answer 1

Aliquotting is to prepare quantities of a reagent in amounts for one time use, like single serving packets of food.  That way, reagents are not frozen and thawed excessively, or otherwise exposed to repetitive conditions of use.

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Answer 2

An aliquot is an equal portion of the whole.  For example, if you had 1.0 mls of something, you could make 10 aliquots of 0.1 mls each, or 5 aliquots of 0.2 mls each.