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国産のオンラインpH計を推薦してください

2015-07-09View Original

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運転条件として、界面活性剤を水に溶かすとpHは11前後になり、pHを2前後に調整するために酸と塩を加え、温度は60前後とする。国産で耐久性の高いオンラインpH計をおすすめください。精度はそれほど高くなくても構いませんが、寿命が長いものが望みです。
Reply #22015-07-13
数年前に国産のpH計を一度使って以来、二度と使う勇気がありません。その性能というのは、純水の中に置いておくだけで上下に揺れる程度です
Reply #32015-07-13
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