eutech-instruments fluoride epoxy User Manuals

Table of Contents

• GENERAL INSTRUCTIONS

  3
• Introduction

  3
• Required Equipment

  3
• Required Solutions

  3
• GENERAL PREPARATION

  4
• Electrode Preparation

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

  4
• Electrode Slope Check (with ion meter)

  5
• MEASUREMENT

  5
• Measuring Hints

  5
• Sample Requirements

  6
• Units of Measurement

  6
• MEASUREMENT PROCEDURE

  6
• Direct Measurement

  6
• Direct Measurement of Fluoride (using a pH/mV meter)

  6
• Direct Measurement of Fluoride (using an ion meter)

  8
• Direct Measurement of Fluoride in Water (ASTM D1179, METHOD B)

  8
• Direct Measurement of Fluoride in Acid Solutions

  9
• Direct Measurement of Fluoride in Alkaline Solutions

  9
• Low Level Fluoride Measurements (using a pH/mV meter)

  10
• Low Level Fluoride Determination (using an ion meter)

  11
• Titration

  12
• Titration Procedure for Fluoride Determination

  12
• ELECTRODE CHARACTERISTICS

  13
• Reproducibility

  13
• Interference

  13
• Complexation

  14
• Temperature Influences

  14
• Electrode Response

  14
• Limits of Detection

  15
• pH Effects

  15
• Electrode Life

  16
• Electrode Storage

  17
• ELECTRODE THEORY

  17
• Electrode Operation

  17
• TROUBLESHOOTING GUIDE

  18
• Meter

  18
• Plastic-ware

  18
• Electrodes

  18
• Standards and Reagents

  19
• Sample

  19
• Technique

  19
• TROUBLESHOOTING HINTS

  20
• SPECIFICATIONS

  22
• ORDERING INFORMATION

  22