pH计检定过程中电极的维护和使用  

Maintenance and use of electrodes in the verification process of pH meter

作　　者：常梅 Chang Mei(Shaanxi Institute of Metrology Science,Xi’an 710065,China)

机构地区：[1]陕西省计量科学研究院,西安710065

出　　处：《分析仪器》2023年第6期90-92,共3页Analytical Instrumentation

摘　　要：针对pH检定过程当中所遇到的有关电极的各种问题,通过长期的实践经验,结合pH计检定规程的要求,总结出了关于复合电极外参比电解液、电极浸泡液干涸、玻璃球泡内部气泡、电极老化、电极盐桥结晶等问题的解决办法。极大提高了pH计的检定合格率和检定效率,同时为送检客户提供了便利。Based on long-term practical experience and the requirements of pH meter verification regulations,solutions for various electrode related issues encountered in the pH calibration process,such as the external reference electrolyte of composite electrode,the drying of electrode soaking solution,the bubbles inside the glass bulb,the aging of electrode,and the crystallization of electrode salt bridge are summarized.It greatly improves the qualification rate and verification efficiency of pH meter,and provides convenience for customers who submit electrodes for inspection.

关 键 词：PH计 电极 维护 检定 

分 类 号：TH832.31[机械工程—仪器科学与技术]