can be used for determining molecular weight of a compound.
A. HPLC
B. MS
C. IR
D. HMR
查看答案
Chemical analysis depends on.
A. chemical reaction
B. molecular weight
C. molecular forular
D. instrument
According to the traditional classification, analytical chemistry can be divided into and instrumental analysis.
A. mathmatics analysis
B. chemistry analysis
C. financial analysis
D. structure analysis
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