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1)  pH_ zpc
零电荷pH值
1.
The catalytic ozonation activity of trace nitrobenzene in water was determined on several metal oxides and correlated with their surface density of hydroxyl groups and pH_ zpc (pH of zero point of charge).
以水中几种氧化物表面羟基密度和表面零电荷pH值 (pHzpc)为表征氧化物表面性质的参数 ,考察了 2个参数对催化臭氧氧化水中硝基苯的影响 。
2)  pH-responsive charge selective recognition
pH电荷选择
3)  Point of zero charge(PZC)
电荷零点
1.
Positive and negative charge amount, point of zero charge(PZC) and point of zero net charge (PZNC) of soils in central and southern China were studied on the basis of comparison of methods for the determination of PZC.
在比较几种测定土壤电荷零点方法的基础上 ,研究了中南地区几种土壤的正负电荷量、电荷零点 (PZC)和净电荷零点 (PZNC)。
4)  zero point of charge
零电荷点
1.
Electrochemical parameters of Mg-Al-NO 3LDH particles in different electrolytic solutions (LiCl, NaCl and KCl), including zeta potential, isoelectric point (pH IEP), permanent charge density (σ P), and zero point of charge (pH ZPC) have been measured by electrophoresis method and potentiometric titration.
采用电泳法和电势滴定法测定出不同电解质 (LiCl ,NaCl和KCl)溶液中Mg Al NO3 层状双金属氢氧化物 (Mg Al NO3 LDH)颗粒的 ζ电位、等电点、永久电荷密度以及零电荷点等电化学物理量 ,探讨了电解质、pH和样品化学组成对Mg Al NO3 LDH电性质的影响 。
2.
The theoretical analysis on the zero point of charge (ZPC) and charge density of colloidal particle possessing permanent charges indicates that ZPC determined directly by means of potentiometric titration (PT) should be zero point of net charge (ZPNC) and the permanent charge density ( σ P) can be obtained from the adsorption amounts of H + and OH -( Γ OH - Γ H ) at ZPNC.
对用电位滴定法 (PT法 )测定的胶体颗粒零电荷点 (ZPC)的物理意义进行了理论分析 ,认为是零净电荷点(pHZPNC) ,推导出了pHZPNC、零可变电荷点 (pHZPVC)、永久电荷密度 (σp)、可变电荷密度 (σv)、净电荷密度 (σT)、pH和电解质浓度 (c)之间的理论关系式 。
3.
In this paper, the physical meaning of zero point of charge measured by acid -base potentiometric titration (PT) is discussed and it is considered to be zero point of net charge (ZPNC).
探讨了电位滴定(PT)法测定的零电荷点的物理意义,认为是零净电荷点(ZPNC)。
5)  zero charge
零电荷
6)  point-of-zero charge
零点电荷
补充资料:零电荷点
分子式:
CAS号:

性质: 当溶液中决定电位离子的浓度为某一特定值时,固体表面上的净电荷等于零,两相(固/液)之间由自由电荷引起的电位差也为零,此时溶液中决定电位离子的浓度称为零电荷点(P.Z.C.)。与其密切相关的另一物理量是等电点(I.P.C),它指的是固体表面的ζ电势为零的情形。在没有特性吸附离子存在时,等电点与零电荷点的数值相同。 

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