Calibration Solutions

$8.00
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Color-coded for accuracy.

Formulated to provide precise pH determinations. The buffers are accurate to within ±0.02 pH at 25C (77F). Each buffer contains a preservative/mold inhibitor. Temperature compensation charts are included on the labels. Standardized against N.I.S.T.-certified reference samples.

For your convenience, the buffer solutions come in two, four, and eight ounce sizes. They can be purchased in convenient kits containing 1 bottle each of pH 4.01, pH 7.0 and pH 10.01 solutions.