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UNI ISO 7781 : 2008

Current

Current

The latest, up-to-date edition.

STYRENE-BUTADIENE RUBBER, RAW - DETERMINATION OF SOAP AND ORGANIC-ACID CONTENT

Published date

10-07-2008

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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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