DIN EN ISO 18134-3 Solid biofuels - Determination of moisture content - Oven dry method - Part 3: Moisture in general analysis sample (ISO 18134-3:2015)
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Deutsches Institut fur Normung e. V.
Solid biofuels - Determination of moisture content - Oven dry method - Part 3: Moisture in general analysis sample (ISO 18134-3:2015)
N EN ISO 18134-3
Annotation
This part of ISO 18134 describes the method of determining the moisture in the analysis test sample by drying in an oven. It is intended to be used for general analysis samples in accordance with EN 14780. The method described in this part of ISO 18134 is applicable to all solid biofuels. The moisture content of solid biofuels (as received) is always reported based on the total mass of the test sample (wet basis).
Since biofuels in small particle size are very hygroscopic, their moisture content will change with humidity in the atmosphere and therefore, the moisture of the test portion is determined simultaneously with determination of for example calorific value, carbon content, and nitrogen content.
NOTE The term moisture content when used with biomass materials can be misleading since untreated biomass frequently contains varying amounts of volatile compounds (extractives) which can evaporate when determining the moisture content by oven drying (see References [1] and [2]).
Автоматический перевод:
Твердые биологические топлива - Определение влажности - Духовка сушит метод - Часть 3: Влажность в общем аналитическом образце (18134-3:2015 ISO)
Эта часть ISO 18134 описывает метод определения влажности в аналитической контрольной пробе путем сушки в духовке. Это предназначается, чтобы использоваться для общих аналитических образцов в соответствии с EN 14780. Метод, описанный в этой части ISO 18134, применим ко всем твердым биологическим топливам. О влажности твердых биологических топлив (как получено) всегда сообщают на основе общей массы контрольной пробы (влажное основание).
