Which of the following is the disadvantage of hydrogen, which can be used as carrier gas in gas chromatography?
A. Dangerous to use
B. Expensive
C. Reduced sensitivity
D. High density
Answer:A
Which of the following is the disadvantage of hydrogen, which can be used as carrier gas in gas chromatography?
A. Dangerous to use B. Expensive C. Reduced sensitivity D. High density
Explanation: Hydrogen is dangerous to use. It has better thermal conductivity and lower density.