Indicator Solution for Aeration-Oxidation Free SO2 Test - 1 oz
Description
This is the indicator added to the Hydrogen Peroxide in an Aeration-Oxidation Free SO2 Test. Use 3-6 drops per test, store capped in a cool, dry place. 1 oz container.
BEST ANSWER:The bottle does not have an expiration date, only instructions for storage. After investigating the literature as to how this stuff is made, the indicator dyes are dissolved in alcohol which if stored in cool dark conditions, and a well sealed bottle should keep for at least several years.
I’ve observed no loss of quality over a two year period.
BEST ANSWER:The bottle does not have an expiration date, only instructions for storage. After investigating the literature as to how this stuff is made, the indicator dyes are dissolved in alcohol which if stored in cool dark conditions, and a well sealed bottle should keep for at least several years.
I’ve observed no loss of quality over a two year period.