Reference Source

ISO 335:1974

For ISO 335:1974, item title is Hard coal — Determination of caking power — Roga test; status code is 9599; successor is ISO/WD 335; withdrawn / published date is 1974-10-01, recorded from its source on 2026-08-05.

Identifier
ISO 335:1974 verified
Item title
Hard coal — Determination of caking power — Roga test verified
Status code
9599 verified
Successor
ISO/WD 335
Withdrawn / published date
1974-10-01 verified
Sourceisopublicstorageprod.blob.core.windows.net
Verified
Review by
DatasetWithdrawn and superseded ISO standards

What the source says

4281,IS,,ISO 335:1974,Hard coal — Determination of caking power — Roga test,Houille — Détermination du pouvoir agglutinant — Essai Roga,1974-10-01,1,['73.040'],ISO/TC 27,9599,,[1851],"['en','fr']",4,<p>The caking power of a coal is defined by the mechanical strength of the crucible coke obtained by carbonization under standard conditions of an intimate mixture of 1 g of coal and 5 g of standard anthrazite. The crucible coke obtained is then submitted to a drum test in a strictly prescribed manner and the Roga Index is calculated from the results.</p>

isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05

Source

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