JPS55166045A - Reagent for measuring phosphorus - Google Patents
Reagent for measuring phosphorusInfo
- Publication number
- JPS55166045A JPS55166045A JP7377279A JP7377279A JPS55166045A JP S55166045 A JPS55166045 A JP S55166045A JP 7377279 A JP7377279 A JP 7377279A JP 7377279 A JP7377279 A JP 7377279A JP S55166045 A JPS55166045 A JP S55166045A
- Authority
- JP
- Japan
- Prior art keywords
- sensitivity
- eliminate
- measurement
- polyoxyethylene sorbitan
- dimethyl formamide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
PURPOSE: To improve the sensitivity and eliminate any protein removing operation during the measurement by molybdenum blue-direct colorimetric method by containing a specified amount of polyoxyethylene sorbitan fatty acid ester, dimethyl formamide and the like.
CONSTITUTION: 1W20wt% of ferrous sulfate or iron ammonium sulfate, 0.5W 20wt% of polyoxyethylene sorbitan fatty acid ester, 3W30wt% of dimethyl formamide and the like, 0.05W10wt% of stabilizing agent, 0.01W5wt% of molybdenum acid or salt thereof and 0.1W10wt% of strong acid are dissolved in the water. It is preferable to use hydrochloric acid hydroxylamine or sulfuric acid hydroxylamine as stabilizing agent. The above procedure can eliminate any protein removing operation prior to the measurement while stabilizing the reagent solution thereby improving the sensitivity.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7377279A JPS55166045A (en) | 1979-06-11 | 1979-06-11 | Reagent for measuring phosphorus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7377279A JPS55166045A (en) | 1979-06-11 | 1979-06-11 | Reagent for measuring phosphorus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55166045A true JPS55166045A (en) | 1980-12-24 |
Family
ID=13527829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7377279A Pending JPS55166045A (en) | 1979-06-11 | 1979-06-11 | Reagent for measuring phosphorus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55166045A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58153167A (en) * | 1982-03-08 | 1983-09-12 | Fujihira Kogyo Kk | Color reagent for determining phosphoric acid |
EP0100187A2 (en) * | 1982-07-22 | 1984-02-08 | Allied Corporation | An aqueous reagent for and a method of determining inorganic phosphate in a liquid sample |
-
1979
- 1979-06-11 JP JP7377279A patent/JPS55166045A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58153167A (en) * | 1982-03-08 | 1983-09-12 | Fujihira Kogyo Kk | Color reagent for determining phosphoric acid |
EP0100187A2 (en) * | 1982-07-22 | 1984-02-08 | Allied Corporation | An aqueous reagent for and a method of determining inorganic phosphate in a liquid sample |
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