Hanna HI70007P 7.01 PH Buffer Solution 25 X 20 ML Sachets

The single dose sachets are really handy with each sealed sachet holding just the right amount of solution. The pH 7.01 buffer solution in quick and easy to use 20ml sachets is one of the most commonly used buffer solutions.

Hanna 1413 uS/CM Calibration Solution 16oz HI7031L

HI7031L is a premium quality 1,413 µS/cm conductivity standard that is prepared against a NIST traceable potassium chloride solution. Hanna conductivity solutions have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof...

Hanna Free and Total Chlorine CAL Check Standards for HI97701

The HI97701-11 Free and Total Chlorine CAL Check. Standard value of 1.00 ±0.03 mg/L (ppm) free and total chlorine @ 25°C. The expected reading from the B standard is pH 7.0 ±0.1 @ 25°C. CAL Check» standards with certificate.