Hanna Standard pH 4.01 Buffer Solution, 4000 ml Flow Meter Counts from 0 to 9

Counts from 0 to 9

Spiral-bound for easy field use

Aquaculture raceways and culture tanks

The unique blend of sulfur-containing inorganic reducing agents chemically reacts with aldehydes

50 mL capacity with clear 1 mL graduations

Hanna Standard pH 4.01 Buffer Solution, 4000 ml Flow Meter Counts from 0 to 9Product Code: HI7004 1G pH 4. 01 + or 0. 01 pH @ 25 C. Store at room temperature. Premium quality pH calibration solutions that are NIST traceable. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight. Hanna's line of calibration buffers have been specially formulated to have a long expiration date for an unopened bottle. 4000 ml Container