FR2094265A5 - Biochemical oxygen demand - measured continuously and automatically under constant partial pressure of oxygen - Google Patents

Biochemical oxygen demand - measured continuously and automatically under constant partial pressure of oxygen

Info

Publication number
FR2094265A5
FR2094265A5 FR7021981A FR7021981A FR2094265A5 FR 2094265 A5 FR2094265 A5 FR 2094265A5 FR 7021981 A FR7021981 A FR 7021981A FR 7021981 A FR7021981 A FR 7021981A FR 2094265 A5 FR2094265 A5 FR 2094265A5
Authority
FR
France
Prior art keywords
oxygen
partial pressure
under constant
measured continuously
automatically under
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.)
Expired
Application number
FR7021981A
Other languages
French (fr)
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.)
BAS RHONE LANGUEDOC AMEN
Original Assignee
BAS RHONE LANGUEDOC AMEN
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 BAS RHONE LANGUEDOC AMEN filed Critical BAS RHONE LANGUEDOC AMEN
Priority to FR7021981A priority Critical patent/FR2094265A5/en
Priority to BE772420A priority patent/BE772420A/en
Application granted granted Critical
Publication of FR2094265A5 publication Critical patent/FR2094265A5/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

A sample is contained in a sealed receptacle, contg. a CO2 trap. The receptacle is connected to an O2 reservoir maintained at constant pressure. A dosing pump driven by an electric motor removes doses of O2 from the reservoir and delivers them to the receptacle so that the pressure in the receptacle is maintained constant. The number of doses given is recorded continuously as a function of time.
FR7021981A 1970-06-16 1970-06-16 Biochemical oxygen demand - measured continuously and automatically under constant partial pressure of oxygen Expired FR2094265A5 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7021981A FR2094265A5 (en) 1970-06-16 1970-06-16 Biochemical oxygen demand - measured continuously and automatically under constant partial pressure of oxygen
BE772420A BE772420A (en) 1970-06-16 1971-09-09 EQUIPMENT FOR MEASURING BIOCHEMICAL OXYGEN DEMAND

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7021981A FR2094265A5 (en) 1970-06-16 1970-06-16 Biochemical oxygen demand - measured continuously and automatically under constant partial pressure of oxygen

Publications (1)

Publication Number Publication Date
FR2094265A5 true FR2094265A5 (en) 1972-02-04

Family

ID=9057209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7021981A Expired FR2094265A5 (en) 1970-06-16 1970-06-16 Biochemical oxygen demand - measured continuously and automatically under constant partial pressure of oxygen

Country Status (2)

Country Link
BE (1) BE772420A (en)
FR (1) FR2094265A5 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485197A1 (en) * 1980-06-20 1981-12-24 Instrumentation Labor Inc CARBON BIOXIDE ANALYSIS SYSTEM

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485197A1 (en) * 1980-06-20 1981-12-24 Instrumentation Labor Inc CARBON BIOXIDE ANALYSIS SYSTEM

Also Published As

Publication number Publication date
BE772420A (en) 1972-01-17

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Legal Events

Date Code Title Description
ST Notification of lapse