Performance Verification Statement for the Eureka Manta2 pH Sensor

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Ref. No. [UMCES] CBL 2015-009
ACT VS15-02
2
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 ............................................................................................ 9
FIELD TEST .................................................................................................................................. 9
RESULTS OF MOORED FIELD TESTS.....................................................................14
QUALITY ASSURANCE/QUALITY CONTROL ........................................................39
Q UALITY C ONTROL SAMPLES ..................................................................................................... 39
EXTERNAL QUALITY ASSURANCE AND QUALITY CONTROL ASSESSMENTS ................................ 42
REFERENCES...........................................................................................................44
ACKNOWLEDGEMENTS .........................................................................................46
APPENDIX I..............................................................................................................47