GB1494490A - Urea analysis - Google Patents
Urea analysisInfo
- Publication number
- GB1494490A GB1494490A GB54031/74A GB5403174A GB1494490A GB 1494490 A GB1494490 A GB 1494490A GB 54031/74 A GB54031/74 A GB 54031/74A GB 5403174 A GB5403174 A GB 5403174A GB 1494490 A GB1494490 A GB 1494490A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ammonia
- hydrolysis
- membrane
- electrolyte
- urea
- 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.)
- Expired
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 4
- 239000004202 carbamide Substances 0.000 title abstract 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 10
- 230000007062 hydrolysis Effects 0.000 abstract 6
- 238000006460 hydrolysis reaction Methods 0.000 abstract 6
- 239000012528 membrane Substances 0.000 abstract 6
- 229910021529 ammonia Inorganic materials 0.000 abstract 5
- 108010046334 Urease Proteins 0.000 abstract 3
- -1 ammonium ions Chemical class 0.000 abstract 3
- 239000003792 electrolyte Substances 0.000 abstract 3
- 239000004677 Nylon Substances 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 229920001778 nylon Polymers 0.000 abstract 2
- 239000000843 powder Substances 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- PAAZPARNPHGIKF-UHFFFAOYSA-N 1,2-dibromoethane Chemical compound BrCCBr PAAZPARNPHGIKF-UHFFFAOYSA-N 0.000 abstract 1
- VEFLKXRACNJHOV-UHFFFAOYSA-N 1,3-dibromopropane Chemical compound BrCCCBr VEFLKXRACNJHOV-UHFFFAOYSA-N 0.000 abstract 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 abstract 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 abstract 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000004743 Polypropylene Substances 0.000 abstract 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract 1
- 239000011543 agarose gel Substances 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 239000007822 coupling agent Substances 0.000 abstract 1
- ATDGTVJJHBUTRL-UHFFFAOYSA-N cyanogen bromide Chemical compound BrC#N ATDGTVJJHBUTRL-UHFFFAOYSA-N 0.000 abstract 1
- 239000003085 diluting agent Substances 0.000 abstract 1
- 239000000499 gel Substances 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 230000002209 hydrophobic effect Effects 0.000 abstract 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052622 kaolinite Inorganic materials 0.000 abstract 1
- 239000011244 liquid electrolyte Substances 0.000 abstract 1
- 239000012466 permeate Substances 0.000 abstract 1
- 229920001155 polypropylene Polymers 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/001—Enzyme electrodes
- C12Q1/005—Enzyme electrodes involving specific analytes or enzymes
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/58—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving urea or urease
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
- G01N33/48742—Determining urea by measuring the volume of a gas
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/807—Gas detection apparatus
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Zoology (AREA)
- Physics & Mathematics (AREA)
- Wood Science & Technology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Molecular Biology (AREA)
- Immunology (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- General Engineering & Computer Science (AREA)
- Genetics & Genomics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Hematology (AREA)
- General Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Urology & Nephrology (AREA)
- Food Science & Technology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US427322A US3926734A (en) | 1973-12-21 | 1973-12-21 | Urea analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1494490A true GB1494490A (en) | 1977-12-07 |
Family
ID=23694363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB54031/74A Expired GB1494490A (en) | 1973-12-21 | 1974-12-13 | Urea analysis |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3926734A (https=) |
| JP (1) | JPS5330035B2 (https=) |
| CA (1) | CA1039163A (https=) |
| DE (1) | DE2455970C3 (https=) |
| FR (1) | FR2255602B1 (https=) |
| GB (1) | GB1494490A (https=) |
| NL (1) | NL176308C (https=) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE30267E (en) * | 1975-06-20 | 1980-05-06 | Eastman Kodak Company | Multilayer analytical element |
| DE2821469A1 (de) * | 1978-05-17 | 1979-11-22 | Boehringer Mannheim Gmbh | Diagnostisches mittel zur bestimmung von harnstoff |
| WO1981000304A1 (en) * | 1979-07-24 | 1981-02-05 | I Lundstroem | A method and apparatus for indicating the presence of substances which,in a chemical reaction,generate or consume gas |
| JPS5786053A (en) * | 1980-11-18 | 1982-05-28 | Yokogawa Hokushin Electric Corp | Method and device for measuring amino compound |
| DE3129988A1 (de) * | 1981-07-29 | 1983-02-17 | Siemens AG, 1000 Berlin und 8000 München | "verfahren und vorrichtung zur bestimmung von harnstoff" |
| JPS5839947A (ja) * | 1981-09-03 | 1983-03-08 | Yokogawa Hokushin Electric Corp | 尿素の測定方法および測定装置 |
| JPS5858457A (ja) * | 1981-09-30 | 1983-04-07 | Shimadzu Corp | 溶液導電率型ガス濃度測定用電極 |
| JPS5877663A (ja) * | 1981-11-02 | 1983-05-11 | Kyoto Daiichi Kagaku:Kk | 尿素分析方法および分析用具 |
| US5158868A (en) * | 1987-07-17 | 1992-10-27 | Iniziative Marittime 1991, S.R.L. | Method of sample analysis |
| US4997627A (en) * | 1987-07-17 | 1991-03-05 | Fisher Scientific Company | Sample analysis |
| PT91254A (pt) * | 1988-07-25 | 1990-02-08 | Nova Biomedical Corp | Metodo, analisador e sensor para a medicao da concentracao de ureia numa amostra liquida |
| DE3841623A1 (de) * | 1988-12-10 | 1990-06-13 | Draegerwerk Ag | Dosimeter mit wiederverwendbarer elektrochemischer messzelle |
| US5133937A (en) * | 1989-06-01 | 1992-07-28 | Iniziative Marittime, 1991 S.R.L. | Analysis system having a removable reaction cartridge and temperature control |
| DE4027728A1 (de) * | 1990-08-31 | 1992-03-05 | Bayer Ag | Immobilisierung von organischen makromolekuelen oder biopolymeren in einer polymermembran |
| US5685988A (en) * | 1993-09-15 | 1997-11-11 | Malchesky; Paul | Dialysis process and system |
| ES2102936B1 (es) * | 1994-03-02 | 1998-04-01 | Estudios E Invest Del Agua | Metodo de medicion de la concentracion de amonio total en medio liquido y dispositivo para la realizacion del mismo. |
| DE69514607T2 (de) * | 1994-10-13 | 2000-12-28 | Kyowa Medex Co. Ltd., Tokio/Tokyo | Verfahren zur Bestimmung von Harnstoff Stickstoff |
| US7662637B2 (en) * | 2001-12-03 | 2010-02-16 | Ge Analytical Instruments | Sensitive detection of urea and related compounds in water |
| US8945936B2 (en) | 2011-04-06 | 2015-02-03 | Fresenius Medical Care Holdings, Inc. | Measuring chemical properties of a sample fluid in dialysis systems |
| US8882988B2 (en) | 2012-12-26 | 2014-11-11 | Umm Al-Qura University | Potentiometric device and method selective for pioglitazone |
| EP3737938B1 (en) * | 2018-01-12 | 2023-10-25 | Mayo Foundation for Medical Education and Research | Systems and methods for the detection and quantification of ammonia and ammonium in fluids |
| EP4136245A1 (en) * | 2020-05-19 | 2023-02-22 | Ecole Polytechnique Federale De Lausanne (Epfl) | Method and system for producing a carbonate-containing species-rich, nitrogen-containing species-free solution |
| US11726070B2 (en) | 2020-11-10 | 2023-08-15 | Acustrip Company, Inc. | Method and kit for detecting diesel exhaust fluid in fuel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3395082A (en) * | 1964-07-20 | 1968-07-30 | Miles Lab | Test composition device and method for detecting urea in aqueous fluids |
| US3649505A (en) * | 1969-03-03 | 1972-03-14 | Beckman Instruments Inc | Ammonia sensor |
| DE2130308C3 (de) * | 1971-06-18 | 1975-07-24 | Boehringer Mannheim Gmbh, 6800 Mannheim | Verfahren und Vorrichtung zum Bestimmen von enzymatisch umsetzbaren Probensubstanzen |
-
1973
- 1973-12-21 US US427322A patent/US3926734A/en not_active Expired - Lifetime
-
1974
- 1974-11-20 FR FR7438065A patent/FR2255602B1/fr not_active Expired
- 1974-11-22 NL NLAANVRAGE7415252,A patent/NL176308C/xx not_active IP Right Cessation
- 1974-11-27 DE DE2455970A patent/DE2455970C3/de not_active Expired
- 1974-11-28 CA CA214,867A patent/CA1039163A/en not_active Expired
- 1974-12-13 GB GB54031/74A patent/GB1494490A/en not_active Expired
- 1974-12-16 JP JP14436174A patent/JPS5330035B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL176308B (nl) | 1984-10-16 |
| AU7676174A (en) | 1976-06-24 |
| JPS5098396A (https=) | 1975-08-05 |
| FR2255602B1 (https=) | 1978-06-16 |
| NL7415252A (nl) | 1975-06-24 |
| CA1039163A (en) | 1978-09-26 |
| DE2455970C3 (de) | 1978-03-02 |
| FR2255602A1 (https=) | 1975-07-18 |
| DE2455970B2 (de) | 1977-07-21 |
| NL176308C (nl) | 1985-03-18 |
| DE2455970A1 (de) | 1975-07-03 |
| JPS5330035B2 (https=) | 1978-08-24 |
| US3926734A (en) | 1975-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |