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華維煤中氟的測定的原理

2016-04-15 　來自: 華維科力 瀏覽次數:2233

煤樣和少量石英砂混合，在1100℃高溫下與氧氣和水蒸氣混合氣流中燃燒和水解，煤中各種形態的氟化物被轉化為揮發性氟化物進入了冷凝水中。在含大量硝酸鉀和檸檬酸三鈉溶液中一負離子選擇性電極位置是點擊、飽和甘汞電極為參比電極，用標準加入法測定樣品溶液中氟離子濃度，計算出煤中含氟量。


關鍵詞： 煤炭氟測定儀器 華維煤炭氟測定儀器 煤炭氟測定儀 氟離子測定儀

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