BS ISO 7270-2:2012
$102.76
Rubber. Analysis by pyrolytic gas-chromatographic methods – Determination of styrene/butadiene/isoprene ratio
| Published By | Publication Date | Number of Pages |
| BSI | 2012 | 20 |
This part of ISO 7270 specifies a pyrolytic gas-chromatographic method for the determination of the styrene/butadiene/isoprene ratio in copolymers, or blends of homopolymers and/or copolymers, in raw rubbers or in unvulcanized or vulcanized compounds. It is applicable to copolymers/terpolymers consisting of styrene, butadiene and isoprene, and blends of these polymers.
NOTE 1 The use of this part of ISO 7270 pre-supposes sufficient working knowledge of the principles and techniques of gas chromatography for the analyst to perform the operations described and interpret the results correctly.
NOTE 2 The styrene/butadiene/isoprene ratio determined by this test method is affected by the presence of resin and by a high level of sulfur.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 3 | CVP_Secretariat_Loca |
| 6 | Foreword |
| 7 | 1 Scope 2 Normative references 3 Principle 4 Reagents |
| 8 | 5 Apparatus 5.1 Extraction apparatus 5.2 Pyrolysis/gas chromatography system |
| 9 | 6 Procedure 6.1 Preparation of test samples from calibration samples and unknown sample 6.2 Test conditions |
| 12 | 6.3 Preparation of calibration curves |
| 13 | 6.4 Analysis of the unknown sample |
| 14 | 7 Expression of results 8 Precision 9 Test report |
| 15 | Annex A (informative) Precision |
| 17 | Bibliography |
