ISO 9397:1995
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Plastics Phenolic resins Determination of free-formaldehyde content Hydroxylamine hydrochloride method
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
12-03-2019
English, French
20-04-1995
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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.
| DocumentType |
Standard
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| Pages |
3
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| PublisherName |
International Organization for Standardization
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| Status |
Withdrawn
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| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| UNE-EN ISO 9397:1997 | Identical |
| 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 |
| SN EN ISO 9397 : 1997 | Identical |
| UNI EN ISO 9397 : 1999 | 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 |
| 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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