This overview describes a simple approach to cleaning and re-installing the 5973 and 5975 ion electron impact (EI) inert and standard sources and the chemical ionization (CI) source.
This manual provides a specific approach to cleaning and reinstalling the EI and CI ion sources for Agilent 5973 and 5975 MSD instruments. It details a multi-step process involving mechanical polishing with alumina MICROGRIT, followed by sonication in deionized water, methanol, acetone, and hexane to remove contaminants without damaging source surface chemistry.
The procedure recommends using deionized water, methanol (pesticide or HPLC grade), acetone (pesticide or HPLC grade), and hexane (pesticide or HPLC grade).
The manual recommends setting the ion source bake temperature to 300 °C.
Parts should be sonicated for about 5 minutes in deionized water, methanol, acetone, and hexane.