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pH Calibration Bundle, pH 4.01 & 7.01 (500 mL)
 HI7740C

pH Calibration Bundle, pH 4.01 & 7.01 (500 mL)

$39.98
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This pH Calibration Bundle comes with premium quality pH 4.01 (red) and 7.01 (green) calibration solution that has been dyed for easy buffer identification. Hanna calibration buffers 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. Specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle. Our calibration solutions are prepared according to precise formulas and are standardized with a pH meter and electrode calibrated with NIST standards.
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