Which of the following is the commonly used support material for the packed column in gas chromatography?
A. Glass
B. Metal
C. Diatomaceous earth
D. Stainless steel
Answer:C
Which of the following is the commonly used support material for the packed column in gas chromatography?
A. Glass B. Metal C. Diatomaceous earth D. Stainless steel
Explanation: Diatomaceous earth is the commonly used support material for the packed column in gas chromatography. The columns could be made of glass or metal.