Buffer Solution, pH 4.01 (NIST), Color-coded red. 50 mL | Hach USA - Overview | Hach
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Buffer Solution, pH 4.01 (NIST), Color-coded red. 50 mL

Product #: 2283426
USD Price: $8.40
Available

For pH meter standardization. Color-coded for easy identification. pH is 4.01 ± 0.02 at 25° C. 50 mL pour-top bottle.