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  6. Technical Data: Introduction to Ions, pH, and Dissociation Constants

Technical Data: Introduction to Ions, pH, and Dissociation Constants

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Introduction to Ions, pH, and Dissociation Constants

last updated:Apr 15, 2026

メトロームジャパン 本社
メトロームジャパン 本社
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A beginner's booklet that gently explains ions, pH, and dissociation constants 《Free download available now》

This is a guide for beginners who are handling analytical instruments such as titration devices, pH meters, and ion chromatographs for the first time. It can also be used as a training text, so supervisors who provide guidance are welcome to use it as well.

    pH meterpH meterpH Meter
A4アプリケーション表紙pHIONpKa_383X550.jpg

Technical Data: Introduction to Ions, pH, and Dissociation Constants

A4アプリケーション表紙pHIONpKa_383X550.jpg
A4アプリケーション表紙pHIONpKa_383X550.jpg 914_554X250.jpg
  • Related Link - https://www.metrohm.com/ja_jp/products/ph-ion-meas…
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An ion is an atom (or a group of atoms formed by the combination of several atoms) that has either lost or gained one or more electrons. The process of becoming an ion by losing or gaining electrons is called ionization (or dissociation). At this time, the number of electrons lost (or gained) is referred to as the ion's valence or charge number, and it is indicated next to the original atom (or group of atoms) with the ion's valence (omitted if it is 1) and the sign of the charge, written as H+, Fe3+, Cl−, SO2−, etc.

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Technical Data: Introduction to Ions, pH, and Dissociation Constants

Technical Data: Introduction to Ions, pH, and Dissociation Constants

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Basic Methods of Measuring Potential Difference: An Introductory Material to Solve the Question "What is a pH Electrode?"

Basic Methods of Measuring Potential Difference: An Introductory Material to Solve the Question "What is a pH Electrode?"

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Technical Data: Basics and Precautions of pH Glass Electrodes (A Must-Read for Beginners Using pH Meters and Titration Devices!)

Technical Data: Basics and Precautions of pH Glass Electrodes (A Must-Read for Beginners Using pH Meters and Titration Devices!)

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【IC: Ion Chromatography Technical Documentation】Basics of Ion Chromatography: Qualitative and Quantitative Edition

【IC: Ion Chromatography Technical Documentation】Basics of Ion Chromatography: Qualitative and Quantitative Edition

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Titration Device Technical Data - Introduction to Titration: What is Titration?

Titration Device Technical Data - Introduction to Titration: What is Titration?

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pH/Electrical Conductivity Meter Product Catalog

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pH/Conductivity Meter 856/867 Product Catalog (English)

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pH electrode with a long length of 518/580mm / Titration electrode [Sytrode electrode]

pH electrode with a long length of 518/580mm / Titration electrode [Sytrode electrode]

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Insertion measurement pH electrode / Titration electrode [Spearhead electrode]

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Protein, dirty and viscous pH electrode / titration electrode [Porotrode electrode]

Protein, dirty and viscous pH electrode / titration electrode [Porotrode electrode]

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pH electrode for flat surfaces / Titration electrode [Flat membrane electrode]

pH electrode for flat surfaces / Titration electrode [Flat membrane electrode]

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Analysis Machine Catalog 2026

Analysis Machine Catalog 2026

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メトロームジャパン

メトロームジャパン 本社

Testing, Analysis and Measurement

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Metrom AG, based in Herisau, Switzerland, is a leading company specializing in ion analysis with over 70 years of history. It provides products and services in more than 140 countries worldwide. Based on Swiss technology developed over many years, the equipment comes with a 3-year warranty.

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