UNI ISO 7781 : 2008
Current
The latest, up-to-date edition.
STYRENE-BUTADIENE RUBBER, RAW - DETERMINATION OF SOAP AND ORGANIC-ACID CONTENT
10-07-2008
Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sampling and sample preparation
7 Procedure
7.1 Preparation of the test solution
7.2 Method A: titration method using indicator reagent
7.3 Method B: titration method using auto-titrator or
pH-meter
8 Expression of results
9 Test report
Annex A (informative) - Test for rosin
Describes methods for the determination of the soap and organic-acid content of raw styrene-butadiene rubber (SBR).
Committee |
CT 17
|
DevelopmentNote |
Supersedes UNI 8003. (07/2008)
|
DocumentType |
Standard
|
PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
Status |
Current
|
Supersedes |
Standards | Relationship |
ISO 7781:2017 | Identical |
ISO 385:2005 | Laboratory glassware — Burettes |
ISO 1042:1998 | Laboratory glassware — One-mark volumetric flasks |
ISO 648:2008 | Laboratory glassware — Single-volume pipettes |
ISO 1795:2017 | Rubber, raw natural and raw synthetic — Sampling and further preparative procedures |
ISO 4799:1978 | Laboratory glassware — Condensers |
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