Table of Contents

1. Introduction 2. In situ Chemical Analysers with Colorimetric Detection 3. Flow Injection with Chemiluminescence Detection for the Shipboard Monitoring of Trace Metals 4. Use of a Wet Chemical Analyser for the in situ Monitoring of Nitrate 5. Sensing of Nitrate Concentration by UV Absorption 6. Development of an Optical Chemical Sensor for Oceanographic Applications: The Submersible Autonomous Moored Instrument for Seawater CO2 7. Optical Microsensors and Microprobes 8. A Laser-based Fiber-optic Fluorometer for in situ Seawater Measurements 9. Electrochemical Sensors for in situ Seawater Measurements 9. Electrochemical Sensors for in situ Small-scale, Fast Temporal Measurements of Organic Molecules in Seawater 10. Electrochemical Monitor for Near Real-time Determination of Dissolved Trace Metals in Marine Waters 11. In situ Chemical Sensor Measurements at the Sediment-water Interface 12. In situ Measurement of Labile Species in Water and Sediments using DGT 13. Chemical Sensor Technology: Current and Future Applications