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通过高效液相色谱(HPLC)和薄层色谱法(TLC)对灯盏花乙素离解常数进行测定方法研究。在薄层色谱方法中,利用待测组分比移值(Rf值)与......
铵离子(NH<sub>4</sub><sup>+</sup>)是一种极弱酸,测定其含量通常手续比较繁琐.本研究采用电位滴定回归分析法滴定极弱酸,直接计算......
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用pH计测定的酸碱滴定法,测定了4-羟基-3-硝基吡啶的等电点(I)和K小Ka2两个解离常数。对上述测定的物理-化学常数进行了不确定度评定......
Acid Dissociation Constants and Related Thermodynamic Functions of Protonated 2,2-Bis(Hydroxymethyl)
Thermodynamic dissociation constants pKa of 2,2-bis(hydroxymethyl)-2,2’,2”-nitrilotriethanol have been determined at 1......
Design Near-threshold Photoelectron Imaging Spectrometer Based on UV Laser Induced Photoelectron Emi
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Mitochondrial disease has important implications for numerous functions that affect different cells lines and tissues. T......
本文以电导法测定了12-磷钨、12-硅钨酸在一些醇、酯、醛、酮等含氧有机溶剂以及乙腈中的离解常数,得到的结果表明,两种酸在同种溶液中的离......
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采用电位滴定法,在乙醇/水混合溶剂体系中(I=0.10mol/L,KCl),测定了苯酚、α-萘酚与β-萘酚在不同乙醇含量(V/V总)时的离解常数.结......