GB/T 44149-2024 精细陶瓷 陶瓷粉体等电点的测定 zeta 电位法

ICS

81.060.30

CCS

Q30

中华人民共和国国家标准

GB/T44149—2024/ISO21822:2019

精细陶瓷陶瓷粉体等电点的测定

zeta电位法

Fineceramics—Measurementofiso-electricpointofceramicpowders—

zetapotentialmethod

[ISO21822:2019,Fineceramics(advancedceramics,advancedtechnical

ceramics)—Measurementofiso-electricpointofceramicpowder,IDT]

2024-06-29发布2025-01-01实施

国家市场监督管理总局

发布

国家标准化管理委员会

GB/T44149—2024/ISO21822:2019

目次

前言

Ⅲ

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1

范围

1

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2

规范性引用文件

1

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3

术语和定义

1

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4

试验原理

3

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5

仪器及校准

3

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5.1

zeta电位分析仪和校准

3

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5.2

pH计

3

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5.3

样品分散用容器

3

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5.4

超声发生器

3

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5.5

天平

3

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5.6

温控设备

3

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5.7

磁力搅拌器

3

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6

操作步骤

3

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6.1

分散液

3

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6.2

调节pH所用的酸性溶液、碱性溶液及电解质溶液

3

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6.3

样品制备与分散

4

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7

测定

4

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8

等电点的测定

5

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9

试验报告

5

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参考文献

6

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Ⅰ

GB/T44149—2024/ISO21822:2019

前言

本文件按照GB/T1.1—2020《标准化工作导则

第1部分：标准化文件的结构和起草规则》的规

定起草。

本文件等同采用ISO21822:2019《精细陶瓷（先进陶瓷、先进技术陶瓷）

陶瓷粉体等电点的测

定》。

本文件做了下列最小限度的编辑性改动：

—为与现有标准协调，将标准名称改为《精细陶瓷

陶瓷粉体等电点的测定

zeta电位法》。

请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。

本文件由中国建筑材料联合会提出。

本文件由全国工业陶瓷标准化技术委员会（SAC/TC194）归口。

本文件起草单位：宁波伏尔肯科技股份有限公司、山东工业陶瓷研究设计院有限公司、吉林长玉特

陶新材料技术股份有限公司、浙江精久轴承工业有限公司、深圳市深中原科技有限公司、山东东阿海鸥

滚动体有限公司、山田新材料集团有限公司、国装新材料技术（江苏）有限公司、青海圣诺光电科技有

限公司、东方电气集团东方汽轮机有限公司、德阳三环科技有限公司、辽宁英冠高技术陶瓷股份有限公

司、江西博鑫环保科技股份有限公司、深圳艾利佳材料科技有限公司、江苏三责新材料科技有限公司。

本文件主要起草人：邬妍佼、崔爽、王伟、李伶、罗宁、陈常祝、栾强、宋涛、赖成文、吴汉阳、

于明亮、刘江华、张成荣、袁洪峰、王玉金、杨禧凤、巩秀芳、马小民、马艳红、李肇天慧、杨勇、

黄荣厦、余鹏、闫永杰。

Ⅲ

GB/T44149—2024/ISO21822:2019

精细陶瓷陶瓷粉体等电点的测定

zeta电位法

1范围

本文件描述了在悬浮状态下测量细陶瓷粉末等电点的测试方法。

本文件适用于精细陶瓷粉体在分散液中等电点的测定。

2规范性引用文件

下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文

件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用

于本文件。

ISO4316:1977表面活性剂水溶液pH值的测定电位法（Surfaceactiveagents—Determina﹘

tionofpHofaqueoussolutions—Potentiometricmethod）

注：GB/T6368—2008表面活性剂水溶液pH值的测定电位法（ISO4316:1977，IDT）

ISO13099﹘1胶体体系zeta电位测量方法第1部分：电声和电动现象（Colloidalsystems—Methods

forzeta﹘potentialdetermination—Part1:Electroacousticandelectrokineticphenomena）

注：GB/T32671.1—2016胶体体系zeta电位测量方法第1部分：电声和电动现象（ISO13099﹘1:2012，

IDT）

ISO13099﹘2胶体体系zeta电位测量方法第2部分：光学法（Colloidalsystems—Methods

forzeta﹘potentialdetermination—Part2:Opticalmethods）

注：GB/T32671.2—2019胶体体系zeta电位测量方法第2部分：光学法（ISO13099﹘2:2012，IDT）

ISO13099﹘3胶体体系zeta电位测量方法第3部分：声学法（Colloidalsystems—Methods

forzeta﹘potentialdetermination—Part3:Acousticmethods）

3术语和定义

ISO13099﹘1、ISO13099﹘2、ISO13099﹘3界定的以及下列术语和定义适用于本文件。

3.1

zeta电位zetapotential

ζ电位

ζ﹘potential

滑动面与主液之间的电势差，当电场作用在溶液中分散颗粒时，电势差与带电粒子向电极的电泳迁

移特征成比例相关。

注1：见图1。

注2：zeta电位用伏（V）来表示。电泳迁移率μ指粒子电泳速度除以电场强度。若粒子向更低电势处（负极）迁

2

移，则电泳迁移率为正，反之则电泳迁移率为负，电泳迁移率单位为平方米每伏秒（m/V·s）。

1