Stock Code:
PH4R-1L
Buffer Solution pH4 Red
Stock:
10 - 19
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Description
Standard pH buffer solution for calibrating electrochemical pH instruments. Electrochemically checked against standard primary buffer solutions prepared in accordance with National Institute of Standards & Technology (NIST) procedures using reagents traceable to NIST standard reference materials.
Technical Data:
| pH 4.01 +/- 0.02 @ 25c |
| Colour Coded Red |
Temperature Corrections:
| Temperature | pH |
| 5 | 4.00 |
| 10 | 4.00 |
| 15 | 4.00 |
| 20 | 4.00 |
| 30 | 4.01 |
| 35 | 4.02 |
| 40 | 4.03 |
| 50 | 4.06 |
Details
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Pack Size:1L