HI4012-00 is 500 mL bottle of ionic strength adjuster (ISA) solution for use with lead/sulfate ion selective electrodes.Hanna ISA solutions have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna’s line of solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.
