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xiaoyu-chen

新虫 (小有名气)

[求助] 笔式PH计的校正操作步骤

笔式PH计的具体校正操作 步骤是什么?原来是师姐教给的,总觉得不大对,不知道是操作步骤不对啊,还是仪器有问题了。望高手指教,越详细越好,如果网上转来的就不用了,非诚勿扰,在此先谢过了。
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乖乖07628

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【答案】应助回帖

感谢参与,应助指数 +1
pH计里会有三袋pH为4.01、6.86、9.18的标准缓冲液;
首先将pH4.01的缓冲液配制好,将pH计处于开机状态放入缓冲液中,按住cal键大约三秒,cal符号显示,此时松开,ph计会自动识别当前缓冲溶液的值,然后再调6.86、9.18,前两天我们实验室刚调完

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2楼2013-07-18 14:32:42
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xiaoyu-chen

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2楼: Originally posted by 乖乖07628 at 2013-07-18 14:32:42
pH计里会有三袋pH为4.01、6.86、9.18的标准缓冲液;
首先将pH4.01的缓冲液配制好,将pH计处于开机状态放入缓冲液中,按住cal键大约三秒,cal符号显示,此时松开,ph计会自动识别当前缓冲溶液的值,然后再调6.86、9 ...

不好意思,现在才看见,灰常感谢!
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3楼2013-08-12 16:12:28
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