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BS ISO 14898 : 1999

Current
Current

The latest, up-to-date edition.

PLASTICS - AROMATIC ISOCYANATES FOR USE IN THE PRODUCTION OF POLYURETHANE - DETERMINATION OF ACIDITY
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-1999

1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Application
6 Interference
7 Sampling and test conditions
8 Reagents
9 Apparatus
10 Method A: aromatic isocyanates with moderate to high
   acidity (>100 [mu]g)
11 Method B: aromatic isocyanates with low acidity
   (<100 [mu]g)
Bibliography

Describes methods for the measurement of the acidity of aromatic isocyanates and prepolymers used as polyurethane raw materials.

Committee
PRI/42
DevelopmentNote
Supersedes 98/121673 DC. (05/2005) 1999 Edition Re-issued in February 2012 & incorporates AMD 1 2011. (02/2012)
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 14898:1999 Identical

ASTM D 5629 : 2016 : REDLINE Standard Test Method for Polyurethane Raw Materials: Determination of Acidity in Low-Acidity Aromatic Isocyanates and Polyurethane Prepolymers
ISO 4787:2010 Laboratory glassware Volumetric instruments Methods for testing of capacity and for use
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 6353-3:1987 Reagents for chemical analysis — Part 3: Specifications — Second series
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods

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