Abstract
Applicable to solutions of conventional concentration. The principle consists in measurement, at (20 0.5) 0C, of the quantity of 0.05 N acid solution required to effect a pH change from 8 to 6 for a solution containing 100 g of urea in 1000 ml of solution. For the measurement a pH meter is used fitted with a glass electrode and a calomel electrode. The method has also been approved by the IUPAC.
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Status: WithdrawnPublication date: 1973-11
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Edition: 1Number of pages: 2
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- ICS :
- 71.080.30 Organic nitrogen compounds
Life cycle
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