A retention gap is placed between the injector and the front of the column to

Question: A retention gap is placed between the injector and the front of the column to
[A].

retain contaminants and prevent them from reaching the column

[B].

retain the sample and release it gradually to the column

[C].

prevent backflush of the injected solution

[D].

all of the above

Answer: Option A

Explanation:

No answer description available for this question.