Method for measuring phosphoric acid
US8440422B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Nov 21, 2008 |
| Grant date | May 14, 2013 |
| Priority date | — |
| Expiry date | Aug 16, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12Q1/32
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
In measuring phosphoric acid by the use of an enzyme cycling system using a dehydrogenase together with a thio-NADP, a thio-NAD, a reduced thio-NADP or a reduced thio-NAD as a coenzyme, phosphoric acid is measurable in a wide concentration range from a low concentration to a high concentration by measuring phosphoric acid after previous removal of free phosphoric acid in reagent components for the measurement.
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