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ISO 8988:2006Published

Plastics — Phenolic resins — Determination of hexamethylenetetramine content — Kjeldahl method, perchloric acid method and hydrochloric acid method

Plastiques — Résines phénoliques — Détermination de la teneur en hexaméthylènetétramine — Méthode Kjeldahl, méthode à l'acide perchlorique et méthode à l'acide chlorhydrique

Abstract / scope

ISO 8988:2006 specifies three methods for the determination of the hexamethylenetetramine ("hexa") content of phenolic resins:

  1. a Kjeldahl method;
  2. direct titration with perchloric acid;
  3. potentiometric titration with hydrochloric acid.

Life cycle

Replaces

ISO 8988:1995WithdrawnPlastics — Phenolic resins — Determination of hexamethylenetetramine content — Kjeldahl method and perchloric acid methodInternational Standard · Published 20 Apr 1995 · ISO/TC 61/SC 12