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Dear all,

We are trying to investigate the influences of different experimental 
parameters of the ion ratios measured using our Thermo MAT253.
Unfortunately we have not be able to find out the actually meaning of 
terms like 'R plate' or 'shield'. In the manual it is not mentioned 
what these (or any other) quantities does. So is there an exact 
description of the purpose of each of these?

Cheers,

Lukas 


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Lukas Flierl
Physikalisch-Technische Bundesanstalt PTB
Metrology in Chemistry, 3.11
Bundesallee 100
38116 Braunschweig, Germany
Tel. +49-531-592-3318
e-mail: [log in to unmask]
web: www.ptb.de