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ISO 8264:1989

$19.50

Houille — Détermination des propriétés de gonflement à l’aide d’un dilatomètre

Published By Publication Date Number of Pages
ISO 1989-11 16
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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.

ISO 8264:1989
$19.50