[細粒料水溶性氯離子含量] - 土木
![Tristan Cohan avatar](/img/cat2.jpg)
By Tristan Cohan
at 2009-12-09T19:06
at 2009-12-09T19:06
Table of Contents
請問一下知道這實驗的大大.
他有先把水加 1 ml的酪酸鉀 再以0.1N的硝酸銀
滴下去剛剛的水+酪酸鉀 .邊滴邊搖燒瓶
直到褐色不會消失.求得 硝酸銀消耗量 A
另外一樣取50ml的水+酪酸鉀 在滴硝酸銀..
也是求得硝酸銀的消耗量 B
最後公式 氯離子含量(%) = f*0.0035*(A-B)*10 / W * 100
不知道這公式 f 是甚麼? W我知道是 試樣土乾重
..
外加 我還要知道 為何要加入 酪酸鉀 跟 硝酸銀 ?
我土木畢業的又不是化學系的!!
一些老闆想知道的問題..最快得到答案的方式 就是老丟給
底下這些大學生.. (老闆: XX 這問題明天告訴我 不要跟我
說你大學畢業這都不知道喔)...
希望有專家能吝解答!!~謝謝
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