Name: UNI EN ISO 14896 : 2009
Brand: UNI

PLASTICS - POLYURETHANE RAW MATERIALS - DETERMINATION OF ISOCYANATE CONTENT

Published date

18-06-2009

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
   4.1 Method A
   4.2 Method B
5 Application
6 Interferences
7 Sampling
8 Test conditions
9 Reagents
10 Apparatus
11 Method A - Toluene/dibutylamine with aqueous HCI
   11.1 Procedure
   11.2 Expression of results
   11.3 Precision and bias
   11.4 Test report
12 Method B - Toluene/TCB/DBA with methanolic HCI
   12.1 Procedure
   12.2 Expression of results
   12.3 Precision and bias
   12.4 Test report

Describes two methods for the measurement of the isocyanate content of aromatic isocyanates used as polyurethane raw materials.

DevelopmentNote	Supersedes UNI EN ISO 9369 (12/2002)
DocumentType	Standard
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
Status	Current
Supersedes	UNI EN ISO 14896 : 2002

Standards	Relationship
NF EN ISO 14896 : 2009	Identical
ISO 14896:2009	Identical
EN ISO 14896:2009	Identical
UNE-EN ISO 14896:2009	Identical
NEN EN ISO 14896 : 2009	Identical
NS EN ISO 14896 : 2009	Identical
I.S. EN ISO 14896:2009	Identical
NBN EN ISO 14896 : 2009	Identical
SN EN ISO 14896 : 2010	Identical
BS EN ISO 14896:2009	Identical
DIN EN ISO 14896:2009-07	Identical

ISO 4787:2010	Laboratory glassware Volumetric instruments Methods for testing of capacity and for use
ISO 385:2005	Laboratory glassware Burettes
ISO 6353-1:1982	Reagents for chemical analysis — Part 1: General test methods
ISO 648:2008	Laboratory glassware — Single-volume pipettes
ISO 4788:2005	Laboratory glassware Graduated measuring cylinders
ISO 14898:1999	Plastics Aromatic isocyanates for use in the production of polyurethane Determination of acidity
ISO 6353-3:1987	Reagents for chemical analysis — Part 3: Specifications — Second series
ISO 3696:1987	Water for analytical laboratory use — Specification and test methods