eutech-instruments carbon dioxide gas User Manuals

Table of Contents

• GENERAL INSTRUCTIONS

  3
• Introduction

  3
• Required Equipment

  3
• Required Solutions

  3
• GENERAL PREPARATION

  4
• Electrode Preparation

  4
• Checking Membrane

  4
• Changing the Membrane

  4
• Connecting the Electrode to the Meter

  4
• Electrode Slope Check (with pH/mV meter)

  4
• Electrode Slope Check (with ion meter)

  5
• MEASUREMENT

  5
• Measuring Hints

  5
• Sample Storage

  6
• Sample Requirements

  6
• Units of Measurement

  6
• MEASUREMENT PROCEDURE

  7
• Direct Measurement

  7
• Direct Measurement of Carbon Dioxide (using a pH/mV meter)

  7
• Direct Measurement of Carbon Dioxide (using an ion meter)

  8
• ELECTRODE CHARACTERISTICS

  9
• Reproducibility

  9
• Interferences

  9
• Effect of Dissolved Species

  9
• Temperature Influences

  9
• Electrode Response

  10
• Limits of Detection

  11
• pH Effects

  11
• Electrode Life

  11
• Electrode Storage

  11
• ELECTRODE THEORY

  11
• Electrode Operation

  11
• Carbon Dioxide Chemistry

  12
• ELECTRODE APPLICATION

  13
• Carbon Dioxide Content of Wines and Carbonated Beverages

  13
• Carbonate Content in Groundwater

  14
• Carbonate Measurements in Concentrated Ammonium Hydroxide

  14
• TROUBLESHOOTING GUIDE

  15
• Meter

  15
• Glassware

  15
• Electrodes

  15
• Standards

  16
• Sample

  16
• Technique

  16
• TROUBLESHOOTING HINTS

  17
• Checking the Electrode Inner Body

  19
• SPECIFICATIONS

  20
• ORDERING INFORMATION

  20