ZA941234B - A method of directly monitoring the concentration of microbiocides in aqueous systems - Google Patents

A method of directly monitoring the concentration of microbiocides in aqueous systems

Info

Publication number
ZA941234B
ZA941234B ZA941234A ZA941234A ZA941234B ZA 941234 B ZA941234 B ZA 941234B ZA 941234 A ZA941234 A ZA 941234A ZA 941234 A ZA941234 A ZA 941234A ZA 941234 B ZA941234 B ZA 941234B
Authority
ZA
South Africa
Prior art keywords
microbiocides
concentration
aqueous systems
directly monitoring
monitoring
Prior art date
Application number
ZA941234A
Other languages
English (en)
Inventor
Jack C Tully
Larry M Kye
Original Assignee
W R Grace & Son Co Conn
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 W R Grace & Son Co Conn filed Critical W R Grace & Son Co Conn
Publication of ZA941234B publication Critical patent/ZA941234B/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/85Investigating moving fluids or granular solids
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00Investigating or analyzing materials by the use of thermal means
    • G01N25/02Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12QMEASURING 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
    • C12Q1/00Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/02Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving viable microorganisms
    • C12Q1/18Testing for antimicrobial activity of a material
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18Water
    • G01N33/1826Organic contamination in water
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00Features of devices classified in G01N21/00
    • G01N2201/12Circuits of general importance; Signal processing
    • G01N2201/129Using chemometrical methods
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Zoology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Wood Science & Technology (AREA)
  • Biotechnology (AREA)
  • Genetics & Genomics (AREA)
  • Microbiology (AREA)
  • Toxicology (AREA)
  • Biophysics (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
ZA941234A 1993-03-03 1994-02-23 A method of directly monitoring the concentration of microbiocides in aqueous systems ZA941234B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2569393A 1993-03-03 1993-03-03

Publications (1)

Publication Number Publication Date
ZA941234B true ZA941234B (en) 1994-09-19

Family

ID=21827547

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA941234A ZA941234B (en) 1993-03-03 1994-02-23 A method of directly monitoring the concentration of microbiocides in aqueous systems

Country Status (10)

Country Link
EP (1) EP0614079A3 (sv)
JP (1) JPH06317522A (sv)
KR (1) KR940022083A (sv)
CN (1) CN1101128A (sv)
AU (1) AU5522594A (sv)
BR (1) BR9400789A (sv)
CA (1) CA2116815A1 (sv)
FI (1) FI941003A (sv)
NZ (1) NZ250934A (sv)
ZA (1) ZA941234B (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5242602A (en) * 1992-03-04 1993-09-07 W. R. Grace & Co.-Conn. Spectrophotometric monitoring of multiple water treatment performance indicators using chemometrics
US6077445A (en) * 1998-03-03 2000-06-20 Betzdearborn Inc. Method to minimize corrosion in aqueous systems
NL1011905C2 (nl) * 1999-04-27 2000-10-30 Co Peratie Rundveeverbetering Inrichting voor het analyseren van melk en daarvoor bestemde sensor.
WO2001023868A1 (en) * 1999-09-28 2001-04-05 Bran + Luebbe Gmbh Pcb measurement in pork fat with nir
CZ297391B6 (cs) * 2002-02-08 2006-11-15 Geotest Brno, A. S. Zpusob stanovení chlorovaných pesticidu ve vodáchpomocí selektivního vnitrního standardu vysokotlakou kapalinovou chromatografií
EP1674412B1 (en) * 2004-12-27 2011-06-22 Diversey, Inc. Method of lubricating a conveyor system
EP1851530A2 (de) * 2005-02-25 2007-11-07 Merck Patent GmbH Verfahren und vorrichtung zur konzentrationsermittlung von organisch gebundenen halogenen
US9772287B2 (en) * 2014-04-16 2017-09-26 Saudi Arabian Oil Company Sensor for monitoring for the presence and measurement of aqueous aldehyde biocides
BR112022023889A2 (pt) 2020-06-08 2022-12-27 Kimberly Clark Co Método para determinar compostos de carbamato residuais em artigos elastoméricos

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA801052B (en) * 1979-03-10 1981-09-30 British Petroleum Co Apparatus and method for the determination of biocide concentration in aqueous systems
GB2118925B (en) * 1982-04-19 1985-06-26 Dearborn Chemical Limited Biocide
CA1220739A (en) * 1983-05-17 1987-04-21 Herbert J. Hatcher Two component biocidal system
EP0337624B1 (en) * 1988-04-11 1993-10-27 Rohm And Haas Company Control of oilfield biofouling
EP0344694A3 (en) * 1988-05-31 1991-02-06 Hercules Incorporated Method of monitoring and controlling retention of chemicals in processed water/cellulose matrix
US5004749A (en) * 1989-04-20 1991-04-02 Imperial Chemical Industries Plc Concentrated aqueous solution of glutaraldehyde and 1,2-benzisothiazolin-3-one
CA2058252A1 (en) * 1991-03-18 1992-09-19 Linda R. Robertson Synergistic product selection test for biocides
US5242602A (en) * 1992-03-04 1993-09-07 W. R. Grace & Co.-Conn. Spectrophotometric monitoring of multiple water treatment performance indicators using chemometrics

Also Published As

Publication number Publication date
JPH06317522A (ja) 1994-11-15
CA2116815A1 (en) 1994-09-04
KR940022083A (ko) 1994-10-20
FI941003A0 (sv) 1994-03-02
CN1101128A (zh) 1995-04-05
NZ250934A (en) 1995-07-26
AU5522594A (en) 1994-09-08
EP0614079A3 (en) 1995-07-05
BR9400789A (pt) 1994-12-13
EP0614079A2 (en) 1994-09-07
FI941003A (sv) 1994-09-04

Similar Documents

Publication Publication Date Title
ZA959824B (en) Prevention of scale formation in aqueous systems
AU5767194A (en) Real-time fraud monitoring system
EP0714859A3 (en) Methods for inhibiting scale formation in aqueous systems
IL116193A0 (en) Transponder detection system and method
EP0342934A3 (en) Corrosion product monitoring method and system
PL294883A1 (en) New contenerization methods and aqueous mixtures
AU6705490A (en) Control of corrosion in aqueous systems using certain phosphonomethyl amines
ZA931313B (en) Method of scavenging oxygen in aqueous systems.
AU2158992A (en) Water disinfection system and method
GB2269018B (en) Monitoring aqueous streams
ZA941234B (en) A method of directly monitoring the concentration of microbiocides in aqueous systems
SG45263A1 (en) Monitoring boric acid in fluid systems
GB2277845B (en) Monitoring system
GB2295677B (en) A method of measuring the concentration of ions in a solution
EP0721525A4 (en) REDUCING DEPOSITS BY REGULATING pH AND SALT CONCENTRATION
GB9214003D0 (en) Improvements in or relating to alarm systems
EP0464377A3 (en) Method for corrosion monitoring and system for carrying out this method
GB9502740D0 (en) Aqueous liquid analysis
EP0746771A4 (en) WATER ANALYSIS SYSTEMS
GB9504720D0 (en) Method and means for monitoring ammonia in water
PL302072A1 (en) Water demineralizing method
PL299871A1 (en) Method of obtainingenamines in aqueous environment
GB9518527D0 (en) Concentration monitoring alarm
GB9318959D0 (en) Reagent dissolution in sensor systems
GB9204600D0 (en) Method of reducing the concentration of a liquid resin in an aqueous composition