Soil Analyis Compositions and Methods
US-2024337636-A1 · Oct 10, 2024 · US
Compound, and method for measuring iron concentration by using novel compound as chelate color former
US9448244B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9448244-B2 |
| Application number | US-201314433311-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 15, 2013 |
| Priority date | Oct 17, 2012 |
| Publication date | Sep 20, 2016 |
| Grant date | Sep 20, 2016 |
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- Title
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Abstract
Official abstract text for this publication.
The present invention addresses the problem of providing a chelate color former which can measure the concentration of iron with high sensitivity and with low blank values when measuring the concentration of iron, and an iron concentration measurement method and kit that use this chelate color former. The present invention relates to: a compound represented by following formula [1] or a salt thereof wherein, R 1 and R 2 each independently represent —SO 3 H or —CO 2 H; an iron concentration measurement method in which the compound is used as a chelate color former, the compound is brought into contact with iron in a sample, and the concentration of iron in the sample is measured on the basis of the degree of resulting color development; and a kit to be used therein.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method for measuring iron concentration in a sample, comprising: contacting iron in the sample with a compound represented by the following formula [1] or a salt thereof as a chelate color former; and measuring iron concentration in the sample on the basis of a degree of resulting color development, wherein R 1 and R 2 each independently represent —SO 3 H or —CO 2 H. 2. The method according to claim 1 , wherein the compound represented by the formula [1] or the salt thereof is the compound represented by the following formula [2] or the salt thereof
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Classifications
involving iron binding capacity of blood · CPC title
from other compounds {, e.g. other heterocyclic compounds} · CPC title
Metals · CPC title
Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods · CPC title
Phthaleins containing amino groups {; Phthalanes; Fluoranes; Phthalides; Rhodamine dyes; Phthaleins having heterocyclic aryl rings; Lactone or lactame forms of triarylmethane dyes} · CPC title
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- What does patent US9448244B2 cover?
- The present invention addresses the problem of providing a chelate color former which can measure the concentration of iron with high sensitivity and with low blank values when measuring the concentration of iron, and an iron concentration measurement method and kit that use this chelate color former. The present invention relates to: a compound represented by following formula [1] or a salt th…
- Who is the assignee on this patent?
- Wako Pure Chem Ind Ltd
- What technology area does this patent fall under?
- Primary CPC classification G01N33/84. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Sep 20 2016 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).