HI70038C – 6.44 g/L (ppt) TDS Calibration Solution (25 x 20mL)

HI70038C is a premium quality 6.44 g/L (ppt) TDS calibration solution that is NIST traceable and supplied with a Certificate of Analysis. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line of TDS calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI70038C is for 25 sachets containing 20 mL of solution.

• Supplied with Certificate of Analysis
• Temperature chart of the actual µS/cm value at various temperatures printed on each bottle
• Convenient packaging for one time use