JPS57182647A - Measuring apparatus of infinitesimal ammoniacal nitrogen and total nitrogen - Google Patents
Measuring apparatus of infinitesimal ammoniacal nitrogen and total nitrogenInfo
- Publication number
- JPS57182647A JPS57182647A JP6775781A JP6775781A JPS57182647A JP S57182647 A JPS57182647 A JP S57182647A JP 6775781 A JP6775781 A JP 6775781A JP 6775781 A JP6775781 A JP 6775781A JP S57182647 A JPS57182647 A JP S57182647A
- Authority
- JP
- Japan
- Prior art keywords
- infinitesimal
- sample
- moisture
- nitrogen
- reaction
- 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.)
- Granted
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title abstract 8
- 229910052757 nitrogen Inorganic materials 0.000 title abstract 4
- 239000007789 gas Substances 0.000 abstract 4
- 230000002378 acidificating effect Effects 0.000 abstract 3
- 238000004821 distillation Methods 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 238000005443 coulometric titration Methods 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- 239000007832 Na2SO4 Substances 0.000 abstract 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 1
- 239000012670 alkaline solution Substances 0.000 abstract 1
- 239000008151 electrolyte solution Substances 0.000 abstract 1
- 229910017464 nitrogen compound Inorganic materials 0.000 abstract 1
- 150000002830 nitrogen compounds Chemical class 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
- 229910052938 sodium sulfate Inorganic materials 0.000 abstract 1
- 235000011152 sodium sulphate Nutrition 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 238000004448 titration Methods 0.000 abstract 1
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
- G01N31/002—Determining nitrogen by transformation into ammonia, e.g. KJELDAHL method
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6775781A JPS57182647A (en) | 1981-05-06 | 1981-05-06 | Measuring apparatus of infinitesimal ammoniacal nitrogen and total nitrogen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6775781A JPS57182647A (en) | 1981-05-06 | 1981-05-06 | Measuring apparatus of infinitesimal ammoniacal nitrogen and total nitrogen |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57182647A true JPS57182647A (en) | 1982-11-10 |
JPH0241706B2 JPH0241706B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-09-19 |
Family
ID=13354124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6775781A Granted JPS57182647A (en) | 1981-05-06 | 1981-05-06 | Measuring apparatus of infinitesimal ammoniacal nitrogen and total nitrogen |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57182647A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1981
- 1981-05-06 JP JP6775781A patent/JPS57182647A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0241706B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-09-19 |
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