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Concentration measurement method and concentration measurement apparatus
US8933404B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8933404-B2 |
| Application number | US-201213425537-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 21, 2012 |
| Priority date | Mar 23, 2011 |
| Publication date | Jan 13, 2015 |
| Grant date | Jan 13, 2015 |
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Abstract
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A concentration measurement method by an absorptiometric method which measures a concentration of a first solute component dissolved in a solution, in which the first solute component interacts with a solvent, includes: referring to an absorption coefficient (μ aw (λ)) of the solvent; measuring an absorption coefficient (μ a (λ)) of a first sample material, after an interaction between the solvent and the first solute component has occurred; and obtaining an unknown volume fraction (v g ) of the first solute component and a volume fraction (v w ) of the solvent, based on the absorption coefficient (μ aw (λ)) of the solvent, a apparent absorption coefficient (μ′ ag (λ)) of the first solute component, and the absorption coefficient (μ a (λ)) of the first sample material.
First claim
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What is claimed is: 1. A concentration measurement method by an absorptiometric method which measures a concentration of a first solute component dissolved in a solution, in which the first solute component interacts with a solvent, comprising: referring to an absorption coefficient (μ aw (λ)) of the solvent; referring to an apparent absorption coefficient (μ′ ag (λ)) of the first solute component, which is measured in advance, after an interaction between the solvent and the fi…
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- A61B5/14532Primary
Human Necessities · mapped topic
Physics · mapped topic
Human Necessities · mapped topic
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- What does patent US8933404B2 cover?
- A concentration measurement method by an absorptiometric method which measures a concentration of a first solute component dissolved in a solution, in which the first solute component interacts with a solvent, includes: referring to an absorption coefficient (μ aw (λ)) of the solvent; measuring an absorption coefficient (μ a (λ)) of a first sample material, after an interaction between the solv…
- Who is the assignee on this patent?
- Nishida Kazuhiro, Amano Kazuhiko, Shimizu Koichi, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification A61B5/14532. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Jan 13 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).