Hanna pH 4.01 Calibration Solution, 20 ml, case of 25


SKU: HI70004P Category:

Hanna’s Buffer solutions are made from established formulas and are standardized with a pH meter that is calibrated to NBS/NIST primary standard buffer solutions. The 20 ml sachets are ideal for infrequent calibrations while for heavy-duty applications, you can choose from the popular 230 ml, 1 liter, or 1 gallon containers. Now the pH 4 buffers carry lot #, expiry date as well as pH/C chart on every bottle. HI 7004L/C and HI 8004L/C are also supplied with an analysis certificate.

Weight1.5 lbs
Dimensions6.9 × 6.3 × 3.3 in


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