ISO 3241:1975
$11.05
Sodium sulphate for industrial use — Measurement of pH — Potentiometric method
| Published By | Publication Date | Number of Pages |
| ISO | 1975-06 | 4 |
Relates to measurement at 20 0C of a solution. Preparation of a 10 g/l solution. Uses a pH meter fitted with a glass measuring electrode and a calomel reference electrode. The calibration of the pH meter is carried out at (20 1) 0C using buffer solutions; sensitivity 0,05 pH units.
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