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煤分析儀器--測硫儀電解液的配比

2016-05-05  來自: 鶴壁市華維科力 瀏覽次數:2146

1碘化鉀 2 溴化鉀 3蒸餾水 4冰乙酸
1.稱取5克碘化鉀,5克溴化鉀。 2.將5克碘化鉀,5克溴化鉀溶解于于250毫升蒸餾水中。
3.再加入10毫升冰乙酸,攪拌均勻即可。


小提示:電解液可重復使用,用的時間長短根據重復使用次數和試樣含硫量高低而定,但每次做實驗前應進行1-2次測定,使電解液中碘-碘離子對的電極電位校正到儀器的所需數值,電解液的PH值在1-3時,可以使用,但PH值小于1時,應予以廢棄。


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