Conductivity solutions ml 20 x pcs 25

The HI70031P is a standard conductivity solution at 1413 µS / cm traceable to NIST standards. The sachets are made from a material that keeps the solution fresh and each has a lot number and expiration date. Hanna conductivity solutions have been formulated to last up to 5 years from the date of manufacture, if the sachet is not opened. HI70031P contains 25 sachets of 20 mL of solution.