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BS ISO 17862:2022

BS ISO 17862:2022

$142.49

Surface chemical analysis. Secondary ion mass spectrometry. Linearity of intensity scale in single ion counting time-of-flight mass analysers

Published By Publication Date Number of Pages
BSI 2022 28
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviated terms
3.1 Terms and definitions
3.2 Symbols
11 3.3 Abbreviated terms
4 Outline of method
13 5 Procedure for evaluating the intensity linearity
5.1 Obtaining the reference sample
5.2 Preparation for mounting the sample
5.3 Mounting the sample
5.4 Operating the instrument
5.4.1 General
14 5.4.2 Setting the ion beam
5.4.3 Setting the mass analyser
15 5.5 Acquiring the data
18 5.6 Checking the linearity
5.6.1 The relation of corrected and measured counts
19 5.6.2 The measured ratios for isotopes
20 5.6.3 Fitting the data
5.6.4 Assessing the linear region without and with any instrumental intensity correction
21 5.6.5 Correcting the intensity and checking the validity of any instrumental correction
23 6 Interval for repeat measurements
24 Annex A (normative) Computation of raster size, ion beam current, number of frames for analysis and counts per pulse
26 Bibliography

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BS ISO 17862:2022
$142.49