Max300-LG : Description - Specifications - Installation Guide
Extrel
Core Mass Spectrometers
Page 27
Quadrupole Cleaning
Required Tools
• (1) ¾ - 1” Dia. bottle brush with the wire “knot” removed from the end and the
handle covered in plastic.
• (~5) Cotton Swabs
• Small amount of Pumice
• Small amount of “Alconox”
• Hair Dryer
• (2) “Kimwipes”
• (1) Pair Powder-free Latex Gloves
• A source of clean tap water
• Distilled water (most convenient in a lab style “wash bottle”)
Visible deposits will usually be confined to the first ¾ in (2 cm) at the ionizer end of the
assembly, furthest from the wires that connect opposing poles.
Figure 19: Visible Deposits
The highlighted area in Figure 19 above shows visible deposits on one of the poles. A
similar deposit is present on the opposite pole. The most effective way of removing
deposits from the quadrupole is to scrub the affected area with a cotton swab and paste of
95% pumice:5% "Alconox". Confine this scrubbing motion to the circumference of the
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