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Standard ČSN ISO 1928 1.8.2021 preview

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ČSN ISO 1928 (441352)

Coal and coke - Determination of gross calorific value

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STANDARD published on 1.8.2021


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The information about the standard:

Designation standards: ČSN ISO 1928
Classification mark: 441352
Catalog number: 512904
Publication date standards: 1.8.2021
SKU: NS-1030558
The number of pages: 64
Approximate weight : 192 g (0.42 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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Solid fuels

Annotation of standard text ČSN ISO 1928 (441352):

Tento dokument specifikuje metodu pro stanovení spalného tepla tuhých paliv při konstantním objemu a referenční teplotě 25 °C ve spalovací nádobě kalorimetru, kalibrované spálením certifikované kyseliny benzoové. Výsledek, získaný touto metodou, je spalné teplo analytického vzorku při konstantním objemu s celkovou vodou ze zplodin hoření v kapalném stavu. V praxi se palivo spaluje za konstantního (atmosférického) tlaku a voda nekondenzuje, ale odchází jako pára ve spalinách. Za těchto podmínek je účinným teplem výhřevnost paliva při konstantním tlaku. Lze také používat výhřevnost při konstantním objemu; vzorce pro výpočet obou hodnot jsou uvedeny

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