ph 6.0 的磷酸缓冲液怎么配置?
人气:136 ℃ 时间:2019-10-01 08:19:31
解答
pH 6.0 磷酸氢二钠-磷酸二氢钠缓冲液(0.2 mol/L)配比0.2 mol/LNa2HPO4 (mL) 12.30.2 mol/LNaH2PO4 (mL) 87.7Na2HPO4•2H2O分子量=178.05;0.2 mol/L溶液为35.61 g/L.Na2HPO4•12H2O分子量=358.22;0.2...
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