NL176308C - METHOD AND APPARATUS FOR POTENTIOMETRIC DETERMINATION OF UREA IN A WATERY LIQUID. - Google Patents

METHOD AND APPARATUS FOR POTENTIOMETRIC DETERMINATION OF UREA IN A WATERY LIQUID.

Info

Publication number
NL176308C
NL176308C NLAANVRAGE7415252,A NL7415252A NL176308C NL 176308 C NL176308 C NL 176308C NL 7415252 A NL7415252 A NL 7415252A NL 176308 C NL176308 C NL 176308C
Authority
NL
Netherlands
Prior art keywords
urea
potentiometric determination
watery liquid
watery
liquid
Prior art date
Application number
NLAANVRAGE7415252,A
Other languages
Dutch (nl)
Other versions
NL176308B (en
NL7415252A (en
Original Assignee
Technicon Instr
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 Technicon Instr filed Critical Technicon Instr
Publication of NL7415252A publication Critical patent/NL7415252A/en
Publication of NL176308B publication Critical patent/NL176308B/en
Application granted granted Critical
Publication of NL176308C publication Critical patent/NL176308C/en

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)
  • 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)
NLAANVRAGE7415252,A 1973-12-21 1974-11-22 METHOD AND APPARATUS FOR POTENTIOMETRIC DETERMINATION OF UREA IN A WATERY LIQUID. NL176308C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US427322A US3926734A (en) 1973-12-21 1973-12-21 Urea analysis

Publications (3)

Publication Number Publication Date
NL7415252A NL7415252A (en) 1975-06-24
NL176308B NL176308B (en) 1984-10-16
NL176308C true NL176308C (en) 1985-03-18

Family

ID=23694363

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7415252,A NL176308C (en) 1973-12-21 1974-11-22 METHOD AND APPARATUS FOR POTENTIOMETRIC DETERMINATION OF UREA IN A WATERY LIQUID.

Country Status (7)

Country Link
US (1) US3926734A (en)
JP (1) JPS5330035B2 (en)
CA (1) CA1039163A (en)
DE (1) DE2455970C3 (en)
FR (1) FR2255602B1 (en)
GB (1) GB1494490A (en)
NL (1) NL176308C (en)

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 (en) * 1978-05-17 1979-11-22 Boehringer Mannheim Gmbh DIAGNOSTIC AGENT FOR DETERMINING UREA
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 (en) * 1981-07-29 1983-02-17 Siemens AG, 1000 Berlin und 8000 München "METHOD AND DEVICE FOR DETERMINING UREA"
JPS5839947A (en) * 1981-09-03 1983-03-08 Yokogawa Hokushin Electric Corp Measuring method and apparatus of urea
JPS5858457A (en) * 1981-09-30 1983-04-07 Shimadzu Corp Measuring electrode for ionic activity
JPS5877663A (en) * 1981-11-02 1983-05-11 Kyoto Daiichi Kagaku:Kk Method and implement for analysis of urea
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
DK364189A (en) * 1988-07-25 1990-01-26 Nova Biomedical Corp SENSOR
DE3841623A1 (en) * 1988-12-10 1990-06-13 Draegerwerk Ag DOSIMETER WITH REUSABLE ELECTROCHEMICAL MEASURING CELL
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 (en) * 1990-08-31 1992-03-05 Bayer Ag IMMOBILIZATION OF ORGANIC MACROMOLECULES OR BIOPOLYMERS IN A POLYMER MEMBRANE
US5685988A (en) * 1993-09-15 1997-11-11 Malchesky; Paul Dialysis process and system
ES2102936B1 (en) * 1994-03-02 1998-04-01 Estudios E Invest Del Agua METHOD OF MEASURING THE TOTAL AMMONIUM CONCENTRATION IN A LIQUID MEDIUM AND A DEVICE FOR CARRYING OUT THE SAME.
DE69514607T2 (en) * 1994-10-13 2000-12-28 Kyowa Medex Co. Ltd., Tokio/Tokyo Method for the determination of urea nitrogen
AU2002359537A1 (en) * 2001-12-03 2003-06-17 Sievers Instruments, Inc. 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
US11793431B2 (en) 2018-01-12 2023-10-24 Mayo Foundation For Medical Education And Research Systems and methods for the detection and quantification of ammonia and ammonium in fluids
US20230203374A1 (en) * 2020-05-19 2023-06-29 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 (en) * 1971-06-18 1975-07-24 Boehringer Mannheim Gmbh, 6800 Mannheim Method and device for determining enzymatically convertible sample substances

Also Published As

Publication number Publication date
JPS5098396A (en) 1975-08-05
JPS5330035B2 (en) 1978-08-24
US3926734A (en) 1975-12-16
CA1039163A (en) 1978-09-26
FR2255602A1 (en) 1975-07-18
AU7676174A (en) 1976-06-24
DE2455970A1 (en) 1975-07-03
DE2455970C3 (en) 1978-03-02
DE2455970B2 (en) 1977-07-21
FR2255602B1 (en) 1978-06-16
NL176308B (en) 1984-10-16
NL7415252A (en) 1975-06-24
GB1494490A (en) 1977-12-07

Similar Documents

Publication Publication Date Title
NL176308C (en) METHOD AND APPARATUS FOR POTENTIOMETRIC DETERMINATION OF UREA IN A WATERY LIQUID.
NL7408519A (en) METHOD OF MEASURING THE CONCENTRATION OF SUBSTRATES AND DEVICE FOR APPLYING THIS METHOD.
NL7502918A (en) METHOD AND DEVICE FOR ACCURATE PIPETTING OF SMALL LIQUID VOLUMES.
NL171126C (en) METHOD AND APPARATUS FOR CONTACTING A LIQUID WITH A GAS
NL7416582A (en) DEVICE FOR AERATING AND CIRCULATING PARTICULARLY WATERY LIQUIDS.
NL176586C (en) METHOD FOR QUANTITATIVE DETERMINATION OF SUBSTANCES AND APPARATUS FOR CARRYING OUT THIS METHOD
NL176658C (en) METHOD AND APPARATUS FOR CONTACTING A GAS WITH A SUSPENSION OF SOLIDS IN A LIQUID.
NL7603513A (en) METHOD OF DISPLACING A FLUID IN AN UNDERGROUND FORMATION USING A VISCOUS Aqueous SOLUTION.
NL189981C (en) METHOD AND APPARATUS FOR ANALYZING A SERIES OF FLUID SAMPLES
NL163703B (en) Apparatus for processing liquid manure, in particular slurry.
NL181936C (en) METHOD FOR THE ENZYMKINETIC DETERMINATION OF THE CONCENTRATION OF A SUBSTRATE IN A LIQUID ENVIRONMENT.
NL185895C (en) METHOD AND APPARATUS FOR DEGASSISING A LIQUID
NL171496C (en) METHOD FOR ANALYZING CERTAIN SUBSTANCES IN A LIQUID.
NL7414104A (en) METHOD AND DEVICE FOR DETERMINING SURFACE ELEVATIONS.
NL7410115A (en) METHOD AND DEVICE FOR AERATING A LIQUID.
NL7410117A (en) METHOD AND EQUIPMENT FOR MEASURING A PROPERTY OF A LIQUID.
NL7416258A (en) METHOD AND DEVICE FOR DENITRATION OF KOOKS.
NL172030C (en) METHOD AND APPARATUS FOR ENRICHING URANUM ON ONE OF ITS ISOTOPES
NL7606661A (en) METHOD AND DEVICE FOR DOSING MULTI-COMPONENT FLUID SYSTEMS.
NL177626C (en) METHOD AND APPARATUS FOR INJECTING A LIQUID SAMPLE IN A GAS CHROMATOGRAPHY COLUMN.
NL156323B (en) METHOD AND APPARATUS FOR LIQUID FILTRATION.
BE819736A (en) METHOD AND INSTALLATION FOR REGULATING THE CONCENTRATION OF A LIQUID SOLUTION
NL7409541A (en) PROCEDURE FOR FILTERING A LIQUID AND DEVICE FOR APPLYING THIS WORK
NL176206C (en) METHOD AND APPARATUS FOR ALIGNING COMPONENTS OF A MACHINE
NL7413549A (en) METHOD AND DEVICE FOR TAKING SAMPLES FROM A LIQUID FLOW.

Legal Events

Date Code Title Description
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: TECHNICON INSTRUMENTS CORPORATION

BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee