CA2112004A1 - Gas Amount and Solubility Investigation Apparatus - Google Patents

Gas Amount and Solubility Investigation Apparatus

Info

Publication number
CA2112004A1
CA2112004A1 CA2112004A CA2112004A CA2112004A1 CA 2112004 A1 CA2112004 A1 CA 2112004A1 CA 2112004 A CA2112004 A CA 2112004A CA 2112004 A CA2112004 A CA 2112004A CA 2112004 A1 CA2112004 A1 CA 2112004A1
Authority
CA
Canada
Prior art keywords
gas
barrel
plunger
inlet
liquid
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.)
Granted
Application number
CA2112004A
Other languages
French (fr)
Other versions
CA2112004C (en
Inventor
Kenneth M. Ledez
Walter Snedden
Henry Manson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2112004A1 publication Critical patent/CA2112004A1/en
Application granted granted Critical
Publication of CA2112004C publication Critical patent/CA2112004C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01N33/49—Blood
    • G01N33/4925—Blood measuring blood gas content, e.g. O2, CO2, HCO3
    • 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
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0006—Calibrating gas analysers
    • 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
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0011—Sample conditioning
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
    • G01N7/14—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference

Abstract

A gas investigation apparatus is provided herein to determine the amount of gas in a liquid. The apparatus includes a hollow, longitudinally-extending cylindrical barrel for holding a liquid and a sample liquid with gas dissolved therewithin and with an associated gaseous headspace above. The barrel has a lower inlet and an upper outlet.
At least a portion of the barrel is transparent. A plunger is slidably-fitted in a leak-proof manner within the barrel, the plunger being free to slide along the longitudinal length of the barrel, thereby forming a variable volume of air and gas in the headspace.
A gas inlet tube has a lower inlet, and an upper outlet within the plunger and extends along the longitudinal axis of the plunger. A longitudinally-extending, heat transfer jacket surrounds the cylindrical barrel for the regulation of the temperature of the liquid sample.
An upper valve is connected to the upper outlet of the barrel by means of a zero dead-space, butt-end connection. Selective entry means is provided through the upper valve for admitting a study liquid or tissue suspension into the barrel. A lower valve is connected to the lower inlet of the gas inlet tube by means of a zero dead-space, butt-end connection. An inlet conduit is provided for the selective introduction of test gas, a calibration gas, a carrier gas, or a flushing gas into the gas inlet tube through the lower valve. An inlet tube is provided for the selective introduction of a gas sample into the inlet conduit means through the lower valve. Finally, an exit tube is connected to the upper valve by means of a zero dead-space, butt-end connection, for leading gas exiting from the plunger-position-dependent variable volume of gaseous space at the upper portion of the barrel to a mass spectrometer.
CA002112004A 1992-12-21 1993-12-21 Gas amount and solubility investigation apparatus Expired - Fee Related CA2112004C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US99366992A 1992-12-21 1992-12-21
US07/993,669 1992-12-21

Publications (2)

Publication Number Publication Date
CA2112004A1 true CA2112004A1 (en) 1994-06-22
CA2112004C CA2112004C (en) 2000-02-22

Family

ID=25539810

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002112004A Expired - Fee Related CA2112004C (en) 1992-12-21 1993-12-21 Gas amount and solubility investigation apparatus

Country Status (2)

Country Link
US (1) US5528923A (en)
CA (1) CA2112004C (en)

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CN108982642B (en) * 2018-05-24 2020-09-25 清华大学深圳研究生院 Method and device for removing interference background signal during sample injection of mass spectrometer
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WO2023154534A1 (en) * 2022-02-11 2023-08-17 Smithsonian Institution Gas-liquid falling film equilibration system and method
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Also Published As

Publication number Publication date
CA2112004C (en) 2000-02-22
US5528923A (en) 1996-06-25

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