SS-ISO-7270-2 › Rubber - Analysis by pyrolytic gas-chromatographic methods - Part 2: Determination of styrene/butadiene/isoprene ratio (ISO 7270-2:2012, IDT)
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This part of ISO 7270 specifes 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 suffcient 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.
To find similar documents by classification:
83.060 (Rubber Raw rubber, see 83.040.10)
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Designation Name
SS-ISO 7270-2:2012
Revision Level
2012 EDITION
Status
Current
Publication Date
Sept. 26, 2012
Language(s)
English
Page Count
24
International Equivalent
ISO 7270-2:2012(IDT)