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sklademVydáno: 2006
ISO 8988:2006
ISO 8988:2006-Plastics — Phenolic resins — Determination of hexamethylenetetramine content — Kjeldahl method, perchloric acid method and hydrochloric acid method
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| Označení normy: | ISO 8988:2006 |
| Počet stran: | 7 |
| Vydání: | 3 |
| Vydáno: | 2006 |
DESCRIPTION
ISO 8988:2006
ISO 8988:2006 specifies three methods for the determination of the hexamethylenetetramine ("hexa") content of phenolic resins: a Kjeldahl method;direct titration with perchloric acid;potentiometric titration with hydrochloric acid.