AU576305B2 - Throttle for a testing tube - Google Patents

Throttle for a testing tube

Info

Publication number
AU576305B2
AU576305B2 AU66007/86A AU6600786A AU576305B2 AU 576305 B2 AU576305 B2 AU 576305B2 AU 66007/86 A AU66007/86 A AU 66007/86A AU 6600786 A AU6600786 A AU 6600786A AU 576305 B2 AU576305 B2 AU 576305B2
Authority
AU
Australia
Prior art keywords
throttle
test tube
testing tube
tube
granulometry
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.)
Ceased
Application number
AU66007/86A
Other versions
AU6600786A (en
Inventor
Wolfgang Kretschmer
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.)
Auergesellschaft GmbH
Original Assignee
Auergesellschaft GmbH
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 Auergesellschaft GmbH filed Critical Auergesellschaft GmbH
Publication of AU6600786A publication Critical patent/AU6600786A/en
Application granted granted Critical
Publication of AU576305B2 publication Critical patent/AU576305B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
    • G01N1/2214—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling by sorption
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/40—Concentrating samples
    • G01N1/405—Concentrating samples by adsorption or absorption
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/2813—Producing thin layers of samples on a substrate, e.g. smearing, spinning-on
    • G01N2001/2826—Collecting by adsorption or absorption

Abstract

1. A test tube for the quantitative measurement of minimal concentrations of gaseous components, comprising a reagent strip (11) impregnated with chemical reagents before which in the throughflow direction is arranged a gas-permeable flow-resistor element (6, 6a), characterized in that the latter is either : a) a fine-grained layer (6) of a chemically inert material which has as uniform as possible a granulometry, or b) a capillary tube (6a) inset with sealed rims in the test tube (1).
AU66007/86A 1985-12-04 1986-12-02 Throttle for a testing tube Ceased AU576305B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3542780 1985-12-04
DE3542780A DE3542780C1 (en) 1985-12-04 1985-12-04 Test tube

Publications (2)

Publication Number Publication Date
AU6600786A AU6600786A (en) 1987-06-11
AU576305B2 true AU576305B2 (en) 1988-08-18

Family

ID=6287535

Family Applications (1)

Application Number Title Priority Date Filing Date
AU66007/86A Ceased AU576305B2 (en) 1985-12-04 1986-12-02 Throttle for a testing tube

Country Status (8)

Country Link
EP (1) EP0225520B1 (en)
JP (1) JPS62175665A (en)
AT (1) ATE47629T1 (en)
AU (1) AU576305B2 (en)
CA (1) CA1288323C (en)
DE (2) DE3542780C1 (en)
HU (1) HU195579B (en)
ZA (1) ZA869163B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8711788U1 (en) * 1987-09-01 1987-10-22 Draegerwerk Ag, 2400 Luebeck, De
DE4125555A1 (en) * 1991-08-02 1993-02-04 Rene Dr Cousin Monitoring waste gas emissions - using adsorber-filled sampling probe in waste gas stream
NL1003272C2 (en) * 1996-06-05 1997-12-10 Inst Milieu & Agritech Measurement of gas, particle and aerosol emissions - using narrow diameter tube with flow restrictor in middle, paper carrier impregnated with reagent is inserted on site
NL1003492C2 (en) * 1996-07-03 1998-01-07 Sgt Exploitatie Bv Sample tube and a method of manufacturing such a sample tube.
DE10261842A1 (en) * 2002-12-20 2004-07-15 Atc Dr. Mann E.K. Universally applicable color indicator system for sorption and testing of vapors contains a biosorbent impregnated with a chemical as color-changing indicator reagent
US9005528B2 (en) 2011-03-14 2015-04-14 Weatherford Switzerland Trading And Development Gmbh Sampling container for collection of fluids

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043042A1 (en) * 1980-07-01 1982-01-06 Bayer Ag Device for colorimetrically measuring gaseous traces
AU1988883A (en) * 1983-10-05 1984-12-20 Jesse F. Gump Viewing device for alcoholic breath tester
EP0133326A2 (en) * 1983-06-27 1985-02-20 Diversified Medical Technologies, Inc. Disposable breath analyzer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2569895A (en) * 1943-07-12 1951-10-02 Main-Smith John David Detection of carbon monoxide by palladous sulfite and/or palladosulfites
US2549974A (en) * 1948-05-19 1951-04-24 Stewart Warner Corp Gas detection apparatus
DE1013445B (en) * 1953-11-26 1957-08-08 Auergesellschaft Ag Gas flue tubes
SE418332B (en) * 1974-03-05 1981-05-18 Collin Consult Ab Lars PROCEDURE AND DEVICE FOR ANALYSIS OF THE EMISSION CONTENT IN THE EXHAUST ENGINE EXHAUST
JPS53100446A (en) * 1977-02-15 1978-09-01 Mitsubishi Electric Corp Trouble detecting device of electric machine and apparatus
DE2854421B1 (en) * 1978-12-16 1980-03-27 Draegerwerk Ag Test tube for the quantitative determination of aerosol-like metal cyanides
DE3131698A1 (en) * 1981-08-11 1983-03-03 Messer Griesheim Gmbh, 6000 Frankfurt Method for determining pollutants in gases
DE3236792C2 (en) * 1982-10-05 1986-12-18 Drägerwerk AG, 2400 Lübeck Gas test tubes with reagent strips
DE3242304C2 (en) * 1982-11-16 1986-07-10 Drägerwerk AG, 2400 Lübeck Gas monitoring device with indicator tape and a pre-pipe containing a conversion filling for chemical conversion of the gas to be measured into a substance that can be detected by the indicator tape

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043042A1 (en) * 1980-07-01 1982-01-06 Bayer Ag Device for colorimetrically measuring gaseous traces
EP0133326A2 (en) * 1983-06-27 1985-02-20 Diversified Medical Technologies, Inc. Disposable breath analyzer
AU1988883A (en) * 1983-10-05 1984-12-20 Jesse F. Gump Viewing device for alcoholic breath tester

Also Published As

Publication number Publication date
HUT42184A (en) 1987-06-29
DE3542780C1 (en) 1991-07-04
EP0225520B1 (en) 1989-10-25
HU195579B (en) 1988-05-30
AU6600786A (en) 1987-06-11
ZA869163B (en) 1987-08-26
EP0225520A3 (en) 1988-05-25
EP0225520A2 (en) 1987-06-16
CA1288323C (en) 1991-09-03
JPS62175665A (en) 1987-08-01
DE3666630D1 (en) 1989-11-30
ATE47629T1 (en) 1989-11-15

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