ISO 9397:1995
Withdrawn
View Superseded by
Plastics — Phenolic resins — Determination of free-formaldehyde content — Hydroxylamine hydrochloride method
Hardcopy , PDF
English, French
04-20-1995
03-12-2019
Cancels and replaces the first edition (1989). Lays down a method of chemically determining free formaldehyde in phenolic resins by potentiometric titration, in aqueous or organic solution. The method is applicable to resins with free-formaldehyde contents up to and including 15 % (m/m). For free-formaldehyde contents between 15 % (m/m) and 30 % (m/m), it may be necessary to adjust the concentrations of the standard volumetric solutions used accordingly. This method must not be used in the presence of hexamethylenetetramine.
| Committee |
ISO/TC 61/SC 12
|
| DocumentType |
Standard
|
| Pages |
3
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| DIN EN ISO 9397:1997-05 | Identical |
| DIN EN ISO 9397 E : 1997 | Identical |
| NBN EN ISO 931997 : 1997 | Identical |
| NEN ISO 9397 : 1990 | Identical |
| NEN EN ISO 9397 : 1997 | Identical |
| NS EN ISO 9397 : 1ED 1997 | Identical |
| I.S. EN ISO 9397:1997 | Identical |
| BS EN ISO 9397:1997 | Identical |
| BS 2782-4.451N(1997) : 1997 | Identical |
| EN ISO 9397 : 1997 | Identical |
| DIN ISO 9397:1992-01 | Identical |
| NF EN ISO 931997 : 1997 | Identical |
| UNE-EN ISO 9397:1997 | Identical |
| BS EN ISO 10082:2000 | Plastics. Phenolic resins. Classification and test methods |
| 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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