PASCO Specialty & Mfg. PASCO Scientific SODIUM ION SELECTIVE ELECTRODE CI-6734 Benutzerhandbuch

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012–06615A
Sodium Ion Selective Electrode
Table of Contents
Introduction......................................................................................................................................... 1
Theory .................................................................................................................................................. 1
Equipment ........................................................................................................................................... 2
Included ........................................................................................................................................ 2
Additional Required...................................................................................................................... 2
Required Solutions.............................................................................................................................. 2
General Preparation ........................................................................................................................... 4
Electrode Preparation.................................................................................................................... 4
Electrode Slope Check Using Science Workshop .......................................................................... 4
Measurement ....................................................................................................................................... 5
Measuring Hints............................................................................................................................ 5
Sample Requirements ................................................................................................................... 5
Units of Measurement................................................................................................................... 5
Measurement Procedure .................................................................................................................... 6
Direct Measurement of Sodium .................................................................................................... 6
Low Level Sodium Determination ............................................................................................... 7
Electrode Characteristics ................................................................................................................... 8
Reproducibility ............................................................................................................................. 8
Interferences.................................................................................................................................. 8
Temperature Influences................................................................................................................. 9
Electrode Response ..................................................................................................................... 10
Limits of Detection ..................................................................................................................... 10
pH Effects ................................................................................................................................... 10
Electrode Life ............................................................................................................................. 11
Maintenance .......................................................................................................................................11
Electrode Storage ........................................................................................................................ 11
Specifications..................................................................................................................................... 12
Troubleshooting Guide ..................................................................................................................... 12
Glassware/Plastic-ware ............................................................................................................... 12
Electrode ..................................................................................................................................... 12
Standards & Reagents ................................................................................................................. 13
Sample ........................................................................................................................................ 13
Technique .................................................................................................................................... 13
Troubleshooting Hints ...................................................................................................................... 13
Technical Support ............................................................................................................................. 17
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