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51问答网 > PH=6.6 0.2mol⼀ml磷酸盐缓冲溶液怎么配置

PH=6.6 0.2mol⼀ml磷酸盐缓冲溶液怎么配置

2025-04-08 01:04:34

推荐回答（1个）

回答1：

1.如果没有体积要求，先配0.2mol/molNaH2PO4,再配0.2mol/molNa2HPO4，然后找一台PH计，一个烧杯，先往烧杯里倒适量0.2mol/molNa2HPO4（看你要用多少啦），用PH计测PH，然后加入0.2mol/molNaH2PO4把PH调到6.6就可以啦！注意试剂加入顺序；
2、如果有体积要求，例如100ml，取0.2mol/LNa2HPO431.5mL，同0.2mol/LNaH2PO468.5mL，混合摇匀，用0.1MNaOH及HCl调至6.6即可，也要用PH计。其他体积同样按这个比例就可以

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