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褐煤的揮發分分析要壓成餅的原因
作者:卓越科技 發布日期:2023-02-13 09:22:41

   當用馬弗爐測定褐煤、長焰煤的時候,因為它們的水分和揮發分都很高,如果以松散的狀態放入900度的高溫爐中加熱,揮發分會驟然大量釋放,把坩堝蓋頂開帶走微粒,使得結果偏高,而且重復性差,將試樣壓制成餅在測定,可以有效防止煤樣爆燃使得結果穩定可靠。


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