问题
单项选择题
Theuniversalcolourreagentofthethin-layerchromatographyincludes
A.Thesolutionofconcentratedsulphuricacid
B.Molishreagents
C.Potassiumiodide
D.Sodiumnitrite
E.Sodiumchloride
答案
参考答案:A
Theuniversalcolourreagentofthethin-layerchromatographyincludes
A.Thesolutionofconcentratedsulphuricacid
B.Molishreagents
C.Potassiumiodide
D.Sodiumnitrite
E.Sodiumchloride
参考答案:A