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ISO 8264:1989

Hard coal — Determination of the swelling properties using a dilatometer
23. 11. 1989.

Опште информације

90.92     2. 2. 2026.

ISO

ISO/TC 27/SC 5

Međunarodni standard

73.040  

francuski   engleski  

Kupovina

Objavljen

Jezik na kome želite da primite dokument.

Apstrakt

A test piece, in the form of a pencil, prepared from powdered coal is heated at a constant rate in a steel retort positioned in a furnace, the temperature monitoring system having been previously calibrated using two reference metals of known melting points. The change in level of a piton resting upon the test piece is observed continuously, and record is produced which is characteristic of the swelling properties of the coal.

Životni ciklus

TRENUTNO

OBJAVLJEN
ISO 8264:1989
90.92 Odluka o izmeni ili reviziji standarda
2. 2. 2026.

REVIDIRAN OD

PROJEKAT
ISO/CD 8264