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ISO 8988:1995

Plastics — Phenolic resins — Determination of hexamethylenetetramine content — Kjeldahl method and perchloric acid method ISO 8988:1995

Publication date:   Apr 20, 1995

95.99   Withdrawal of Standard   Aug 25, 2006

General information

95.99   Withdrawal of Standard   Aug 25, 2006

ISO

ISO/TC 61/SC 12 Thermosetting materials

International Standard

83.080.10   Thermosetting materials

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Scope

Cancels and replaces the first edition (1989). Specifies two methods for the determination of the hexamethylenetetramine ("hexa") content of phenolic resins. They are equivalent. The Kjeldahl method is not applicable if there are other components containing nitrogen in the phenolic resin. The perchloric acid method is only applicable if there are no other basic or acidic additives in the resin.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 8988:1989

NOW

WITHDRAWN
ISO 8988:1995
95.99 Withdrawal of Standard
Aug 25, 2006

REVISED BY

PUBLISHED
ISO 8988:2006




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