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ISO/DIS 8264

Hard coal — Determination of the swelling properties using a dilatometer

Опште информације

40.00     28. 8. 2026.

ISO

ISO/TC 27/SC 5

Međunarodni standard

73.040  

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

PRETHODNO

OBJAVLJEN
ISO 8264:1989

TRENUTNO

PROJEKAT
ISO/DIS 8264
40.00 Dopunjavanje i evidentiranje podataka o nacrtu standarda
28. 8. 2026.