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QUESTION
In a hair sample drug test for cocaine that uses a G.C./M.S. , what is the stationary phase? I think the mobile phase would be Helium but l'm not sure about the stationary phase. If a research paper s
In a hair sample drug test for cocaine that uses a G.C./M.S. , what is the stationary phase? I think the mobile phase would be Helium but l'm not sure about the stationary phase. If a research paper says it uses a " 5% polysilphenylene-siloxane column", would that long word be the stationary phase? Thanks.
