GB1494490A - Urea analysis - Google Patents

Urea analysis

Info

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
Application number
GB54031/74A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OI Glass Inc
Original Assignee
Owens Illinois Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Owens Illinois Inc filed Critical Owens Illinois Inc
Publication of GB1494490A publication Critical patent/GB1494490A/en
Expired legal-status Critical Current

Links

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

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Biophysics (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Genetics & Genomics (AREA)
  • Microbiology (AREA)
  • Urology & Nephrology (AREA)
  • Hematology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
GB54031/74A 1973-12-21 1974-12-13 Urea analysis Expired GB1494490A (en)

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 (nl)
JP (1) JPS5330035B2 (nl)
CA (1) CA1039163A (nl)
DE (1) DE2455970C3 (nl)
FR (1) FR2255602B1 (nl)
GB (1) GB1494490A (nl)
NL (1) NL176308C (nl)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
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
EP0044298A1 (en) * 1979-07-24 1982-01-27 DANIELSSON, Bengt 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
US4997627A (en) * 1987-07-17 1991-03-05 Fisher Scientific Company Sample analysis
US5158868A (en) * 1987-07-17 1992-10-27 Iniziative Marittime 1991, S.R.L. Method of 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.
EP0707074B1 (en) * 1994-10-13 2000-01-19 Kyowa Medex Co., Ltd. Method for determination of urea nitrogen
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
JP7364572B2 (ja) 2018-01-12 2023-10-18 メイヨ・ファウンデーション・フォー・メディカル・エデュケーション・アンド・リサーチ 流体中のアンモニア及びアンモニウムの検出及び定量のためのシステム及び方法
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
AU7676174A (en) 1976-06-24
CA1039163A (en) 1978-09-26
FR2255602A1 (nl) 1975-07-18
JPS5330035B2 (nl) 1978-08-24
DE2455970A1 (de) 1975-07-03
FR2255602B1 (nl) 1978-06-16
NL176308B (nl) 1984-10-16
US3926734A (en) 1975-12-16
NL176308C (nl) 1985-03-18
DE2455970B2 (de) 1977-07-21
NL7415252A (nl) 1975-06-24
DE2455970C3 (de) 1978-03-02
JPS5098396A (nl) 1975-08-05

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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