boling point and therefore their retention times may very be simlar. O Enant tio

Question

boling point and therefore their retention times may very be simlar. O Enant tiomers may have a similar fragmentation pattern and this will make be dificult to discriminate behween them Derivatisation is always recommended before the injection of enantiomers in GC-MS DQuestion 3 1 pts The injection volume in gas chromatography (direct injection) is typically in the region of 5-25 ! O 25 1-0.1ml O 1-5 1 pts f signal intensities for the ion [M+1] with respect to [MI for the molecule rsing 3 significant figures D Question 4

Explanation / Answer

#0.2-1 ul is correct.

This is the recommended volume.

5ul to 10ul is injection (syringe)size recommended and 0.2 to 1 or 2 ul is the volume of sample.

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