| Type | pH Meter |
|---|---|
| Brand | Unbranded |
Check the listing for details. Makes 20x20ml, pH 4 + 7 Buffer Solution Tablets for Digital pH Meter Calibration. Condition: New. Listed at 9.98 USD. 10x pH 4 + 10x pH 7 Buffer solution tablets. Makes a total of 400 mL of buffering solution. Dissolve one pH buffer tablet in 20 mL of deionized water. Wait 90 seconds, no mixing necessary.
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