[實驗] 溶液配法
這配置溶液方法我想了兩個多禮拜了~~
不過還是配不出來~
問題是我利用氯化銨水溶液(1000ppm)~
分別配置20ppm,5ppm,以及1ppm~
須利用IC做檢量線,可是其中我配製1ppm卻怎麼配都配不準~
而20ppm以及5ppm都可以配的很準確~
請問是什麼問題呢?我現在是懷疑會不會濃度太低~
須考慮解離度的問題?還是有其他因素(人為因素假設排除在外)...
感謝大家~~~
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