Hanna Instruments Sulfide Antioxidant Buffer (SAOB)

HI4015-00 is a buffer solution for use with silver/sulfide ion selective electrodes. There are two components making up the HI4015-00: one 500 mL bottle of SAOB Reagent A and one 18 g bottle of SAOB Reagent B.
Hanna ISE 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.
Required for sulfide measurements
Air tight bottle with tamper-proof seal 
Clearly marked lot number and expiration date