2) 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)。
3) 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)。
4) point-of-zero charge
零点电荷
5) constant charge soil
恒电荷土壤
1.
Dynamic monitoring of reactions between variable and constant charge soils with H~+;
可变电荷及恒电荷土壤与H~+反应的动态监测
2.
The present paper deals with the metal cation-induced Cl - adsorption by three variable charge soils and an constant charge soil in the electrolyte solutions.
使用三种可变电荷土壤和一种恒电荷土壤 ,研究电解质溶液中金属阳离子对Cl-离子吸附的影响 。
6) permanent charge soil
恒电荷土壤
1.
For the clay mineral association of permanent charge soil, the main clay minerals in brown soil are hydromica (35%) and vermiculite (30%).
本文分析了棕壤、红壤和砖红壤的基本性状、粘土矿物组成，用返滴定法和平衡吸附法研究了可变电荷土壤与恒电荷土壤的电荷特征、Cu~(2+)离子的吸附-解吸特性及其相互关系。
补充资料：土壤电荷零点
分子式：
CAS号：
性质：土壤胶体表面的净电荷为零时的pH值。是表征水合氧化物型土壤胶体表面电荷性质的重要参数。土壤pH值大于土壤电荷零点时土壤胶体表面带负电荷，小于时带正电荷。
CAS号：
性质：土壤胶体表面的净电荷为零时的pH值。是表征水合氧化物型土壤胶体表面电荷性质的重要参数。土壤pH值大于土壤电荷零点时土壤胶体表面带负电荷，小于时带正电荷。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条