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BS ISO 21561-2:2016

BS ISO 21561-2:2016

$142.49

Styrene-butadiene rubber (SBR). Determination of the microstructure of solution-polymerized SBR – FTIR with ATR method

Published By Publication Date Number of Pages
BSI 2016 26
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 1 Scope
2 Normative references
3 Principle
8 4 Apparatus
5 Calibration
5.1 FTIR
5.2 ATR
6 Sampling
7 Procedure for measuring ATR spectrum
9 8 Determination of the microstructure of butadiene and the styrene content
8.1 Measurement of the absorbance for each microstructure component
10 8.2 Calculation of microstructures
8.2.1 General
11 8.2.2 Base line correction of each absorbance peak
8.2.3 Ratio of absorbance
8.2.4 Second order terms
8.2.5 Styrene content and microstructures in mass % by regression formulae
12 8.2.6 Microstructures in mol %
9 Precision
10 Test report
14 Annex A (informative) Precision results from an interlaboratory test programme
16 Annex B (informative) Acquisition of regression formulae for microstructure
18 Annex C (informative) Determination of microstructure by NMR spectrometry
22 Bibliography

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BS ISO 21561-2:2016
$142.49