Manuali utente per eutech-instruments ammonia gas

Sommario

• GENERAL INSTRUCTIONS

  1
• Introduction

  1
• Required Equipment

  1
• Required Solutions

  1
• GENERAL PREPARATION

  2
• Electrode Preparation

  2
• Checking Membrane

  2
• Changing Membrane (see Figure 4)

  2
• Connecting the Electrode to the Meter

  3
• Electrode Slope Check (with pH/mV meter)

  3
• Electrode Slope Check (with ion meter)

  3
• MEASUREMENT

  4
• Measuring Hints

  4
• Sample Storage

  4
• Sample Requirements

  5
• Units of Measurement

  5
• MEASUREMENT PROCEDURE

  5
• Direct Measurement

  5
• Direct Measurement of Ammonia (using a pH/mV meter)

  5
• Direct Measurement of Ammonia (using an ion meter)

  6
• Low Level Ammonia Determination (using a pH/mV meter)

  7
• Ammonia Measurements in Membrane Wetting Solutions

  8
• ELECTRODE CHARACTERISTICS

  9
• Reproducibility

  9
• Interference

  9
• Effect of Dissolved Species

  9
• Complexation

  10
• Temperature Influences

  10
• Electrode Response

  10
• Limits of Detection

  11
• pH Effects

  11
• Electrode Life

  11
• Electrode Storage

  11
• ELECTRODE THEORY

  11
• Electrode Operation

  11
• Ammonia Chemistry

  12
• TROUBLESHOOTING GUIDE

  13
• Meter

  13
• Glassware

  14
• Electrodes

  14
• Standards

  14
• Sample

  14
• Technique

  15
• TROUBLESHOOTING HINTS

  16
• Checking the Electrode Inner Body

  18
• SPECIFICATIONS

  19
• ORDERING INFORMATION

  19