JPS56120945A - Simple method for analysis of tungsten - Google Patents
Simple method for analysis of tungstenInfo
- Publication number
- JPS56120945A JPS56120945A JP2409480A JP2409480A JPS56120945A JP S56120945 A JPS56120945 A JP S56120945A JP 2409480 A JP2409480 A JP 2409480A JP 2409480 A JP2409480 A JP 2409480A JP S56120945 A JPS56120945 A JP S56120945A
- Authority
- JP
- Japan
- Prior art keywords
- metal material
- tungsten
- reagent
- acid
- rhodamine
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Biophysics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
Abstract
PURPOSE:To analyze tungsten in metal material simply and with high reliability by performing measurement by the electrograph method by using a specific reagent. CONSTITUTION:Mixed solution composed of acid solution containing rhodamine B, sulfuric acid, phosphoric acid and persulfuric acid ammonium and of L-ascorbic acid solution and having a composition shown in the table is used as the reagent. That is, the anode end 5 of an electrode 2 is connected with the metal material 1 to be inspected, and then absorbent cotton 3 impregnated with the aforesaid reagent solution is picked up with electroconductive tweezers serving as a cathode end 4 and is made to contact with the material, and electrification is made for about 5sec. Next, coloration (red-violet) caused by reaction between tungesten ion and rhodamine B is measured and thereby tungsten in the metal material 1 is analyzed (for judgement of the presence, half quantification).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2409480A JPS56120945A (en) | 1980-02-29 | 1980-02-29 | Simple method for analysis of tungsten |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2409480A JPS56120945A (en) | 1980-02-29 | 1980-02-29 | Simple method for analysis of tungsten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56120945A true JPS56120945A (en) | 1981-09-22 |
Family
ID=12128783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2409480A Pending JPS56120945A (en) | 1980-02-29 | 1980-02-29 | Simple method for analysis of tungsten |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56120945A (en) |
-
1980
- 1980-02-29 JP JP2409480A patent/JPS56120945A/en active Pending
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