EN ISO 9397 : 1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
PLASTICS - PHENOLIC RESINS - DETERMINATION OF FREE-FORMALDEHYDE CONTENT - HYDROXYLAMINE HYDROCHLORIDE METHOD
01-02-2005
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
| Committee |
CEN/TC 249
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Superseded
|
| Standards | Relationship |
| NEN EN ISO 9397 : 1997 | Identical |
| UNE-EN ISO 9397:1997 | Identical |
| NBN EN ISO 931997 : 1997 | Identical |
| I.S. EN ISO 9397:1997 | Identical |
| NS EN ISO 9397 : 1ED 1997 | Identical |
| SN EN ISO 9397 : 1997 | Identical |
| NF EN ISO 931997 : 1997 | Identical |
| DIN EN ISO 9397:1997-05 | Identical |
| ISO 9397:1995 | Identical |
| UNI EN ISO 9397 : 1999 | Identical |
| BS 2782-4.451N(1997) : 1997 | Identical |
| DIN EN ISO 9397 E : 1997 | Identical |
| BS EN ISO 9397:1997 | Identical |
| ISO 9020:1994 | Binders for paints and varnishes Determination of free-formaldehyde content of amino resins Sodium sulfite titrimetric method |
| ISO 11402:2004 | Phenolic, amino and condensation resins — Determination of free-formaldehyde content |
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