|USABB pH Buffer Pack, 1 Pint Each of 4,7,10 & Storage Soln.
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All buffers are standardized to NIST certified pH references. Lot number, expiration date and a temperature/pH conversion chart are printed on each label. Store out of direct sunlight and use within 6 months after opening. Five-gallon cubitainers have a spigot for easy dispensing.
Convenient buffer pack (stock # 40435) contains everything you need in one stock number. Pack contains one pint of pH 4.00, 7.00 and 10.00 buffer, plus a pint of electrode storage solution.