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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