UNI EN ISO 9397 : 1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
PLASTICS - PHENOLIC RESINS - DETERMINATION OF FREE-FORMALDEHYDE CONTENT - HYDROXYLAMINE HYDROCHLORIDE METHOD
01-07-2005
12-01-2013
Defines a method for the chemical determination of free formaldehyde in phenolic resins by potentiometric titration, in aqueous or organic solution. Applies to resins having free-formaldehyde contents not in excess of 15% (m/m). Not for use when hexamethylenetetramine is present. ALSO NUMBERED AS BS 2782 PART 4 METHOD 451N 1997
| DocumentType |
Standard
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| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
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| Status |
Superseded
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| SupersededBy |
| Standards | Relationship |
| BS EN ISO 9397:1997 | Identical |
| ISO 9397:1995 | Identical |
| DIN EN ISO 9397:1997-05 | Identical |
| I.S. EN ISO 9397:1997 | Identical |
| EN ISO 9397 : 1997 | Identical |
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