SE8304474D0 - METHOD AND DEVICE FOR QUANTITATIVE SEATING OF NH? 713 IN A SAMPLE - Google Patents

METHOD AND DEVICE FOR QUANTITATIVE SEATING OF NH? 713 IN A SAMPLE

Info

Publication number
SE8304474D0
SE8304474D0 SE8304474A SE8304474A SE8304474D0 SE 8304474 D0 SE8304474 D0 SE 8304474D0 SE 8304474 A SE8304474 A SE 8304474A SE 8304474 A SE8304474 A SE 8304474A SE 8304474 D0 SE8304474 D0 SE 8304474D0
Authority
SE
Sweden
Prior art keywords
sample
seating
quantitative
layer
pyrrole
Prior art date
Application number
SE8304474A
Other languages
Swedish (sv)
Other versions
SE446776B (en
SE8304474L (en
Inventor
C Nylander
M Armgarth
I Lundstrom
Original Assignee
Alfa Laval Agri Int
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 Alfa Laval Agri Int filed Critical Alfa Laval Agri Int
Priority to SE8304474A priority Critical patent/SE446776B/en
Publication of SE8304474D0 publication Critical patent/SE8304474D0/en
Priority to EP19840903098 priority patent/EP0183697A1/en
Priority to PCT/SE1984/000274 priority patent/WO1985000888A1/en
Priority to AU33113/84A priority patent/AU3311384A/en
Publication of SE8304474L publication Critical patent/SE8304474L/en
Priority to DK170885A priority patent/DK170885A/en
Publication of SE446776B publication Critical patent/SE446776B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
    • G01N27/126—Composition of the body, e.g. the composition of its sensitive layer comprising organic polymers
    • 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

Abstract

The NH3-concentration in a sample is determined by the aid of a device, comprising a layer of a polymer, based upon pyrrole or a derivative of pyrrole, or a derivative of such a polymer. The layer is acted upon by NH3, originating from the sample, and its resistance is measured before and after this action. Increasing concentrations of NH3 mean increasing resistance in said layer.
SE8304474A 1983-08-17 1983-08-17 PROCEDURE FOR QUANTITATIVE SEATING OF NH? 713 IN A SAMPLE AND DEVICE FOR CARRYING OUT THE PROCEDURE SE446776B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8304474A SE446776B (en) 1983-08-17 1983-08-17 PROCEDURE FOR QUANTITATIVE SEATING OF NH? 713 IN A SAMPLE AND DEVICE FOR CARRYING OUT THE PROCEDURE
EP19840903098 EP0183697A1 (en) 1983-08-17 1984-08-10 A method and a device for the quantitative assay of nh 3? in a sample
PCT/SE1984/000274 WO1985000888A1 (en) 1983-08-17 1984-08-10 A method and a device for the quantitative assay of nh3 in a sample
AU33113/84A AU3311384A (en) 1983-08-17 1984-08-10 Forfarande och anordning for kvantitativ matning av nh3 i ettprov
DK170885A DK170885A (en) 1983-08-17 1985-04-16 Method for operation of prawn peeling apparatus and apparatus for peeling of prawns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8304474A SE446776B (en) 1983-08-17 1983-08-17 PROCEDURE FOR QUANTITATIVE SEATING OF NH? 713 IN A SAMPLE AND DEVICE FOR CARRYING OUT THE PROCEDURE

Publications (3)

Publication Number Publication Date
SE8304474D0 true SE8304474D0 (en) 1983-08-17
SE8304474L SE8304474L (en) 1985-02-18
SE446776B SE446776B (en) 1986-10-06

Family

ID=20352226

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8304474A SE446776B (en) 1983-08-17 1983-08-17 PROCEDURE FOR QUANTITATIVE SEATING OF NH? 713 IN A SAMPLE AND DEVICE FOR CARRYING OUT THE PROCEDURE

Country Status (5)

Country Link
EP (1) EP0183697A1 (en)
AU (1) AU3311384A (en)
DK (1) DK170885A (en)
SE (1) SE446776B (en)
WO (1) WO1985000888A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0398286A3 (en) * 1989-05-18 1991-09-25 Nisshinbo Industries, Inc. Ammonia sensor
GB2364778A (en) * 2000-07-14 2002-02-06 Hypoguard Ltd Detection of Helicobacter pylori and apparatus therefor
US6509169B2 (en) 2000-07-14 2003-01-21 University Of West England, Bristol Detection of Helicobacter pylori

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2077437A (en) * 1980-06-07 1981-12-16 Emi Ltd Ammonia gas sensors

Also Published As

Publication number Publication date
AU3311384A (en) 1985-03-12
WO1985000888A1 (en) 1985-02-28
SE446776B (en) 1986-10-06
DK170885D0 (en) 1985-04-16
SE8304474L (en) 1985-02-18
DK170885A (en) 1985-04-16
EP0183697A1 (en) 1986-06-11

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