| Brand | Unbranded |
|---|---|
| Type | pH Meter |
| Country of Origin | China |
Check the listing for details. 15 PC PH BUFFER SOLUTION POWDER PRECISE CALIBRATION - pH 4.01 / 6.86 / 9.18 USh3. Condition: New, Made in China. Listed at 8.23 USD. We are committed to resolve all issues in a friendly and satisfactory manner. -5 4.01 solution (potassium hydrogen phthalate). -5 6.86 solution (mixed phosphate. -5 9.18 solution (Borax). ).
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