EN ISO 119:1998
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Plastics - Phenol-formaldehyde mouldings - Determination of free phenols - Iodometric method (ISO 119:1977)
Published date
22-07-1998
Publisher
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FOREWORD
1 SCOPE AND FIELD OF APPLICATION
2 REFERENCES
3 PRINCIPLE
4 REAGENTS
5 APPARATUS
6 PREPARATION OF TEST SAMPLE
7 PROCEDURE
8 EXPRESSION OF RESULTS
9 TEST REPORT
A semiquantitative method for the determination of the amount of free phenols in phenolic mouldings. Hot water extraction of free phenols from a powdered test portion, iodination of the water extract and backtitration of the excess of iodine with standard volumetric thiosulfate solution.
| Committee |
CEN/TC 249
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Current
|
| Standards | Relationship |
| I.S. EN ISO 119:1998 | Identical |
| DIN EN ISO 119:1998-10 | Identical |
| NF EN ISO 119 : 1998 | Identical |
| NS EN ISO 119 : 1ED 1998 | Identical |
| NBN EN ISO 119 : 1998 | Identical |
| BS EN ISO 119:1998 | Identical |
| PN EN ISO 119 : 2003 | Identical |
| NEN EN ISO 119 : 1998 | Identical |
| ISO 119:1977 | Identical |
| UNE-EN ISO 119:1999 | Identical |
| ISO 648:2008 | Laboratory glassware — Single-volume pipettes |
| ISO 565:1990 | Test sieves — Metal wire cloth, perforated metal plate and electroformed sheet — Nominal sizes of openings |
| ISO/R 385:1964 | Burettes |
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