Agilent Technologies 5975 User Manual

116 5975 Series MSD Operation Manual for MassHunter
4 Operating in Chemical Ionization (CI) Mode
Methane pretune after more than a day of baking out
Note the low abundance of m/z 19 and absence of any visible peak at m/z 32.
Your MSD will probably show more water at first, but the abundance of m/z 19
should still be less than 50% of m/z 17.

Agilent Technologies 5975 Specifications

General

Brand	Agilent Technologies
Model	5975
Category	Laboratory Equipment
Language	English