ISO 851:1976
Sodium trypolyphosphate for industrial use; Measurement of pH; Potentiometric method
- Standard No.
- ISO 851:1976
- Release Date
- 1976
- Published By
- International Organization for Standardization (ISO)
- Status
- 2002-05
- Latest
- ISO 851:1976
- Scope
- Measurement of the pH of a 10 g/l solution. Uses a pH meter fitted with a glass measuring electrode and a calomel reference electrode. Sensitivity 0.05 pH unit.
ISO 851:1976 history
- 1976 ISO 851:1976 Sodium trypolyphosphate for industrial use; Measurement of pH; Potentiometric method
