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The Reed Instruments R1004 has 20 individual pH buffer powder packs for quick and accurate on-site calibration. Each individual pack includes a temperature vs. pH chart for easy reference.
pH Range | 4.00 to 4.06 |
Accuracy | ±0.01 pH Accuracy at 77°F (25°C) |
Buffer Solution Per Pack | 8.45oz (250mL) |
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