pH Buffer solutions
Supplier: HACH
Certificates
About this item
For calibration of pH meters.
Accuracy: pH is ±0,02 at 25 °C
Certifications: Traceable to NIST.
Caution: Please note that the pH 4 and 10 buffers contain formaldehyde <0,1% and the pH 7 buffer contains formaldehyde 0,1 to 1%.
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