JPS5693041A - Analysis of total nitrogen and/or total carbon in water containing highly dense salts - Google Patents
Analysis of total nitrogen and/or total carbon in water containing highly dense saltsInfo
- Publication number
- JPS5693041A JPS5693041A JP17110479A JP17110479A JPS5693041A JP S5693041 A JPS5693041 A JP S5693041A JP 17110479 A JP17110479 A JP 17110479A JP 17110479 A JP17110479 A JP 17110479A JP S5693041 A JPS5693041 A JP S5693041A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- oxidizing
- total
- tube
- reducing
- 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)
Abstract
PURPOSE: To accomplish safe, quick and accurate analysis of total N and total C at a lower cost by passing a sample through oxidizing and reducing agents with removal of water after the passage through a decomposing catalyst, oxidizing and reducing catalysts and active gas removing agent heated at a high temperature in inert gas flow.
CONSTITUTION: A sample is passed through a first reaction tube containing a decomposing catalyst, oxidizing and reducing catalysts and an active gas removing agent heated at 800W1,050°C in an inert gas flow to obtain nitrogen compounds and carbon compounds from the decomposition of the sample with an aid of the decomposing catalyst, which are converted into a N2 gas and a CO2 gas with an aid of the oxidizing and reducing catalysts. A gas produced by decomposition of salts such as halogens and sulfur oxides are removed by the active gas removing agent. Then, water vaporized in the first reaction tube is condensed in a dewatering tube while an H2 gas and an O2 gas are removed by an oxidizing agent and a reducing agent in the second reaction tube heated at 400W700°C in the inert gas flow. Then, the water produced is removed with a dehumidifying tube. N2 and CO2 gases from the dehumiditying tube is separated with a separation column and determined with a gas analyzer.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17110479A JPS5693041A (en) | 1979-12-27 | 1979-12-27 | Analysis of total nitrogen and/or total carbon in water containing highly dense salts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17110479A JPS5693041A (en) | 1979-12-27 | 1979-12-27 | Analysis of total nitrogen and/or total carbon in water containing highly dense salts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5693041A true JPS5693041A (en) | 1981-07-28 |
Family
ID=15917044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17110479A Pending JPS5693041A (en) | 1979-12-27 | 1979-12-27 | Analysis of total nitrogen and/or total carbon in water containing highly dense salts |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5693041A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5461985A (en) * | 1977-10-26 | 1979-05-18 | Sumitomo Chemical Co | Method and device for analyzing amount of all nitrogen in water |
-
1979
- 1979-12-27 JP JP17110479A patent/JPS5693041A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5461985A (en) * | 1977-10-26 | 1979-05-18 | Sumitomo Chemical Co | Method and device for analyzing amount of all nitrogen in water |
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