por | Jul 21, 2026
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.
por | Jul 19, 2026
4 pcs, Hanna, HI7031L, 1413μS/cm, Conductivity Calibration Solution, Sbwh-nn-bb Compare/MSRP Price- $53.00 USD ea x 4 = $212.00 USD Our Price – $35.00 USD ea x 4 = $140.00 USD Available: 1 Condition: Product is, New Please see pics for product and label details...
por | Jul 18, 2026
por | Jul 18, 2026
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.