The Hanna DiST® 5 (HI98311) is an advanced

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portable digital refractometer designed for the measurement of salinity of natural or artificial seawater

Your shower water contains more than just H₂O

Salinity: one point with MA9066 salinity calibration solution

Hanna HI723 Chromium VI Checker | High Range Digital Colorimeter 0-1000 µg/L 20 packet pack The Hanna DiST® 5 (HI98311)Hanna HI723 High Range Chromium VI Colorimeter Checker Professional Cr6+ Water Testing Detect and measure high concentrations of hexavalent chromium with precision using the Hanna HI723 High Range Chromium VI Colorimeter Checker. This portable, professional grade instrument measures Cr6+ from 0 to 1000 g L (ppb), making it essential for industrial wastewater monitoring, environmental compliance testing, and quality control in metal finishing