Suggested Maintenance In The Case Of Poor Precision And Detection Limits; Introduction; Typical Maintenance Schedule; Replacing Pump Windings - Thermo Scientific iCAP 7000 Series Manual

iCAP Customer Familiarisation Manual
10 Suggested maintenance in the case of poor precision
and detection limits

10.1 Introduction

Maintenance refers to a series of periodic activities that should be performed on a
periodic basis to optimise the short term and long term performance of the system. In
this chapter we describe activities that should be performed by the typical user of the
instrument.

10.2 Typical Maintenance Schedule

Replace Pump Tubing Weekly
Clean the Nebuliser Weekly
Clean the Plasma Torch Weekly
Switching valve weekly

10.3 Replacing pump windings

Type
Tygon
Viton
SOLVAFLEX
A pump tubing in poor condition is characterised by either being flattened hard or
discoloured. Squashed tubing is usually caused by leaving the platen pressure on
the tubing when it is not being used
To minimise squashing of the tubing, release platen pressure when the pump is not
being used, even for short periods. Hardened and discoloured tubing is caused by
chemical reactions with the sample. While these phenomena cannot be avoided,
they can be minimised by frequently flushing it with deionised water.
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Solvent Types
Aqueous solutions, strong acids and highly
polar organic solvents (e.g. methanol and
ethanol
Solvents of low polarity (e.g. alkanes,
aromatics and halogenated hydrocarbons
such as gasoline, kerosene, Toluene,
xylene, chloroform and carbon
tetrachloride).
Solvents of low polarity (e.g. alkanes,
aromatics and halogenated hydrocarbons
such as gasoline, kerosene, Toluene,
xylene, chloroform and carbon
tetrachloride).
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Version 1.02