Which of the following is the disadvantage of helium, which can be used as a carrier gas in gas chromatography?
A. Dangerous to use
B. Expensive
C. Reduced sensitivity
D. High density
Answer:C
Which of the following is the disadvantage of helium, which can be used as a carrier gas in gas chromatography?
A. Dangerous to use B. Expensive C. Reduced sensitivity D. High density