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煤質分析儀器--2022定氮儀的分析原理

2022-01-16 　來自: 華維科力 瀏覽次數:2910

煤質分析儀器華維定氮儀的測定原理。量的煤或焦炭試樣，在有氧化鋁作為催化劑和疏松劑的條件下，于1050℃通入水蒸汽，試樣中的氮及其化合物全部還原成氨。生成的氨經過氫氧化鈉溶液洗氣、蒸餾，用飽和硼酸溶液吸收后，由標準硫酸溶液滴定，根據標準硫酸溶液的消耗量來計算氮含量。

關鍵詞： 鋼廠定氮儀專用 煤炭定氮儀廠家 煤的定氮儀 煤炭檢測設備

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