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HI70024P Calibration Solution Salinity 35.00 ppt for the HI98319 Salinity Tester in Seawater
HI7031L Conductivity Calibration Solution 1413uS/cm
HI7007L Calibration Buffer Solution pH 7.01 - Bottle 500 ml
HI7004L Calibration Buffer Solution pH 4.01- Bottle 500 ml
HI7040L Zero Oxygen Solution Set - 500 ml bottle
470 mV ORP calibration standard for platinum and gold electrodes.
HI7010L Calibration Buffer Solution pH 10.01 - Bottle 500 ml
HI7030L Conductivity Calibration Solution 12880uS/cm
HI7021L/HI7022L ORP Test Solutions - bottle 500ml
HI4015-00 SAOB (Sulphide Antioxidant Buffer)
HI7033L Conductivity Calibration Solution 84uS/cm