Ph Measurements

Ph Measurements

1st Edition - February 28, 1978

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  • Author: C Westcott
  • eBook ISBN: 9780323160605

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pH Measurements is a seven-chapter simplified text on obtaining a high degree of accuracy in practical pH measurement. The introductory chapter of this book relates the principles of pH measurements to the actual measurement. This chapter specifically tackles the factors involved in the measurement and what magnitude of effect does each factor have on the measurement. These topics are followed by discussions on the components of pH equipment and technique, including the electrodes and buffers. A chapter considers the general approach of pH measurements and illustrates with examples of some common difficult samples. The concluding chapter shows the isolation and correction a pH equipment malfunction. pH equipment operators and users will find this book rewarding.

Table of Contents

  • Preface

    Chapter 1 Principles of pH Measurements

    1.1 Defining pH

    1.2 Activity versus Concentration

    1.3 pH Scale

    1.4 pH Measuring System

    1.5 Potential Error

    Chapter 2 The pH Meter

    2.1 Basic pH Meter Circuitry

    2.2 Readout

    2.3 Temperature

    2.4 Calibration

    2.5 Other Functions

    2.6 Types of Meters

    2.7 Performance Specifications

    Chapter 3 Electrodes

    3.1 Glass Electrodes

    3.2 Reference Electrodes

    3.3 Combination Electrodes

    3.4 Electrode Selection

    3.5 Storage of Electrodes

    Chapter 4 Standard Solutions (Buffers)

    4.1 Characteristics

    4.2 Buffer Composition-Primary

    4.3 Other Buffers

    4.4 Special Buffers

    4.5 Verification of a Buffer

    Chapter 5 pH Measurement Technique

    5.1 Rinsing

    5.2 Stirring

    5.3 Response

    5.4 Temperature

    5.5 Sequence of Operation

    5.6 Operational Precautions

    5.7 Factors of Accuracy

    5.8 Recommendations for Accurate pH Measurements

    Chapter 6 Applications

    6.1 General Approach

    6.2 Difficult Samples

    Chapter 7 Troubleshooting

    7.1 pH Meter Test

    7.2 Glass Electrode Test

    7.3 Reference Electrode Test

    7.4 System Comparison

    7.5 Conclusion

    Appendix Tables of Data



Product details

  • No. of pages: 184
  • Language: English
  • Copyright: © Academic Press 1978
  • Published: February 28, 1978
  • Imprint: Academic Press
  • eBook ISBN: 9780323160605

About the Author

C Westcott

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