問題詳情
30.tWhich of the following is not a feature of carrier g^s used in gases chromatogr/)hy?
(A)tThe carrier gas should be chemically inert.
(B)tThe carrier gas should be inexpensive.
(C)tThe purity of carrier gas should not be very high.
(D)tThe carrier gas should be suitable for tiie detector employed.
(E)tNone of the above.
參考答案
答案：C
統計：A:0,B:0,C:1,D:0,E:1
難度：計算中