DS/EN ISO 9397
Plastics - Phenolic resins - Determination of free-formaldehyde content - Hydroxylamine hydrochloride method
inactive, Most Current
| Organization: | DS |
| Publication Date: | 12 March 1997 |
| Status: | inactive |
| Page Count: | 10 |
| ICS Code (Thermosetting materials): | 83.080.10 |
scope:
This standard specifies 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 hexamethylenetetrami
Document History
DS/EN ISO 9397
March 12, 1997
Plastics - Phenolic resins - Determination of free-formaldehyde content - Hydroxylamine hydrochloride method
This standard specifies 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...
References
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