Performance Verification Statement for the Idronaut 305 Plus CTD pH Sensor

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Ref. No. [UMCES] CBL 2015-010
ACT VS15-03
TABLE OF CONTENTS
EXECUTIVE SUMMARY ............................................................................................3
BACKGROUND AND OBJECTIVES ...........................................................................5
INSTRUMENT TECHNOLOGY TESTED ....................................................................6
PH SCALES.................................................................................................................7
SUMMARY OF VERIFICATION PROTOCOLS ...........................................................8
ANALYSIS OF REFERENCE SAMPLES ............................................................................................ 8
LABORATORY TEST...................................................................................................................... 9
FIELD TESTS .............................................................................................................................. 10
RESULTS OF LABORATORY TEST .........................................................................15
RESULTS OF MOORED FIELD TESTS.....................................................................25
QUALITY ASSURANCE/QUALITY CONTROL ........................................................44
QUALITY CONTROL SAMPLES .................................................................................................... 44
EXTERNAL QUALITY ASSURANCE AND QUALITY CONTROL ASSESSMENTS ............................... 47
REFERENCES...........................................................................................................49
ACKNOWLEDGEMENTS .........................................................................................51
APPENDIX I..............................................................................................................52
APPENDIX II ............................................................................................................56
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