1382 mg/L (ppm) TDS Standard (1 L)
HI-7032/1L is a premium quality 1, 382 mg/L (ppm) TDS calibration solution that is prepared against an NIST traceable potassium chloride solution. Hanna TDS solutions are airtight with a tamperproof seal to ensure the quality of the solution. Each bottle is clearly marked with the lot number and expiration date. Hanna’s line of TDS calibration solutions is specially formulated to be valid for 5 years from the date of manufacture for an unopened bottle.
Brand : Hanna Instruments