FR893813A - Method and device for evaluating the quantity of impurities contained in gases - Google Patents

Method and device for evaluating the quantity of impurities contained in gases

Info

Publication number
FR893813A
FR893813A FR893813DA FR893813A FR 893813 A FR893813 A FR 893813A FR 893813D A FR893813D A FR 893813DA FR 893813 A FR893813 A FR 893813A
Authority
FR
France
Prior art keywords
evaluating
gases
impurities contained
impurities
contained
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
Other languages
French (fr)
Inventor
Lucien Bignon
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.)
Sev Marchal
Original Assignee
Sev Marchal
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 Sev Marchal filed Critical Sev Marchal
Application granted granted Critical
Publication of FR893813A publication Critical patent/FR893813A/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
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
    • G01N15/0618—Investigating concentration of particle suspensions by collecting particles on a support of the filter type

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR893813D 1943-01-25 1943-01-25 Method and device for evaluating the quantity of impurities contained in gases Expired FR893813A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR893813T 1943-01-25

Publications (1)

Publication Number Publication Date
FR893813A true FR893813A (en) 1944-11-02

Family

ID=9390324

Family Applications (1)

Application Number Title Priority Date Filing Date
FR893813D Expired FR893813A (en) 1943-01-25 1943-01-25 Method and device for evaluating the quantity of impurities contained in gases

Country Status (1)

Country Link
FR (1) FR893813A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1026993B (en) * 1955-07-04 1958-03-27 Forsch Im Graphischen Gewerbe Method and device for determining the dust content on the surface of paper webs, preferably printing paper
DE1045688B (en) * 1953-04-29 1958-12-04 Union Rheinische Braunkohlen Method and device for detecting the smallest amounts of impurities in liquids and gases, in particular sand in well water
DE1164126B (en) * 1961-05-18 1964-02-27 Carl Stallechner Device for generating soot images
DE1192569B (en) * 1961-04-07 1965-05-06 British American Tobacco Co Checker for cigarette filters
FR2150392A1 (en) * 1971-08-23 1973-04-06 Coulter W

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1045688B (en) * 1953-04-29 1958-12-04 Union Rheinische Braunkohlen Method and device for detecting the smallest amounts of impurities in liquids and gases, in particular sand in well water
DE1026993B (en) * 1955-07-04 1958-03-27 Forsch Im Graphischen Gewerbe Method and device for determining the dust content on the surface of paper webs, preferably printing paper
DE1192569B (en) * 1961-04-07 1965-05-06 British American Tobacco Co Checker for cigarette filters
DE1164126B (en) * 1961-05-18 1964-02-27 Carl Stallechner Device for generating soot images
FR2150392A1 (en) * 1971-08-23 1973-04-06 Coulter W

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