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Standard ČSN ISO 13909-4 1.9.2017 preview

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ČSN ISO 13909-4 (441314)

Hard coal and coke - Mechanical sampling - Part 4: Coal - Preparation of test samples

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STANDARD published on 1.9.2017


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The information about the standard:

Designation standards: ČSN ISO 13909-4
Classification mark: 441314
Catalog number: 503250
Publication date standards: 1.9.2017
SKU: NS-693292
The number of pages: 36
Approximate weight : 108 g (0.24 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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Coals

Annotation of standard text ČSN ISO 13909-4 (441314):

Tato část ISO 13909 specifikuje postupy úpravy vzorků odebraných podle č. 1 nebo 3. Účelem úpravy vzorku je připravit z primárních dílčích vzorků jeden nebo více zkušebních vzorků pro následné analýzy. Požadovaná hmotnost a rozměr zrna zkušebního vzorku závisejí na prováděné zkoušce. Postup úpravy vzorků smí zahrnovat shromažďování hrubých vzorků, redukci zrna, dělení, mísení a sušení, buď jednotlivě, nebo jejich kombinaci

Preview of the standard ČSN ISO 13909-4 (441314)

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