Method for determining the inorganic carbon content of aqueous liquids
US4063891A · kind A · utility
9Cited by
2References
7Claims
0Family size
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Key dates
| Filing date | Jul 16, 1976 |
| Grant date | Dec 20, 1977 |
| Priority date | — |
| Expiry date | Jul 16, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/235
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In a method for determining the inorganic carbon content of aqueous liquids, the liquid sample together with a carbon dioxide free carrier gas is injected vertically from top to bottom in to a heated reaction chamber. The reaction chamber is filled with liquid phosphoric acid. The carbon dioxide generated in the reaction of the sample with the phosphoric acid is fed to a CO.sub.2 analyser. The reaction chamber is preferably heated to a temperature of approximately 140.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.