HI7090M is a premium quality ISA solution for sodium analysis. The addition of an ionic strength adjuster to sodium samples and standards is essential for maintaining constant ionic strength and removing interferences. Hanna 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. Hannas line of solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.

• Lot number and expiration date printed on each label