ISO 2752:1973
Urea for industrial use — Measurement of the variation of pH in the presence of formaldehyde — Potentiometric method
OVERVIEW
Specifies the principle of measurement, at (20 0.5) 0C, of the quantity of 0.01 N sodium hydroxide standard volumetric solution required to take the pH of a solution containing 50 g of sample in 100 ml of water to a pH of 8.3 after addition of formaldehyde. Has also been approved by the IUPAC.
COMMENTS
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PRODUCT DETAILS
| Status | Withdrawn - 06 Jan 2026 |
|---|---|
| Edition | 1973 |
| No. of Pages | 2 |
| ICS Classification | 71.080.30 Organic nitrogen compounds |
| Committee | ISO/TC 47 |
| Available for Purchase | For sale in Singapore only |
| Adoption | ISO |