NF EN ISO 931997 : 1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
PLASTIQUES - RESINES PHENOLIQUES - DOSAGE DU FORMALDEHYDE LIBRE - METHODE AU CHLORHYDRATE D'HYDROXYLAMINE
01-08-2005
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
DevelopmentNote |
Supersedes NFT 51 434: 1985. (10/2001)
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DocumentType |
Standard
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PublisherName |
Association Francaise de Normalisation
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Status |
Superseded
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Supersedes |
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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