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

Buffer Solution, pH 4.01 (NIST), Color-coded red. 50 mL

Product #: 2283426
USD Price: $7.75
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For pH meter standardization. Color-coded for easy identification. pH is 4.01 ± 0.02 at 25° C. 50 mL pour-top bottle.

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