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
retain the sample and release it gradually to the column
prevent backflush of the injected solution
all of the above
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.