FR2292228A1 - Deposition on backing sheet of conc. sample from dil soln. - by repeated automatic deposition of solution on the same straight line - Google Patents

Deposition on backing sheet of conc. sample from dil soln. - by repeated automatic deposition of solution on the same straight line

Info

Publication number
FR2292228A1
FR2292228A1 FR7438578A FR7438578A FR2292228A1 FR 2292228 A1 FR2292228 A1 FR 2292228A1 FR 7438578 A FR7438578 A FR 7438578A FR 7438578 A FR7438578 A FR 7438578A FR 2292228 A1 FR2292228 A1 FR 2292228A1
Authority
FR
France
Prior art keywords
soln
dil
deposition
deposited
cylinder
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
FR7438578A
Other languages
French (fr)
Other versions
FR2292228B3 (en
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.)
CROUAU YVES
Original Assignee
CROUAU YVES
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 CROUAU YVES filed Critical CROUAU YVES
Priority to FR7438578A priority Critical patent/FR2292228A1/en
Publication of FR2292228A1 publication Critical patent/FR2292228A1/en
Application granted granted Critical
Publication of FR2292228B3 publication Critical patent/FR2292228B3/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/90—Plate chromatography, e.g. thin layer or paper chromatography
    • G01N30/91—Application of the sample

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)
  • Treatment Of Liquids With Adsorbents In General (AREA)

Abstract

A backing sheet of paper, of which >=1 prod. from dil. solns. are to be deposited in separate straight lines, is wrapped round a cylinder the surface of which has grooves around the circumference that will be beneath the area on which the lines are deposited. The cylinder is rotated at constant speed and the dil. solns. is pumped by >=1 micropump or syringe driven by an endless screw and activated by an electric motor, at a constant rate through >=1 flexible pipe, the narrowed ends of which bring the soln. into contact with the backing paper. A discontinuous straight line is formed by a control component which automatically cuts the flow of dil. soln. for a predetermined time. The control components comprise a sliding contact moving on an annular ring on the axis of the revolving drum, parts of which are non-conducting and break an electrical contact in the supply to the electric motors thus interrupting the flow of liq. Since the supply is interrupted at the same points in each rotation the dil. soln. is only deposited every revolution on the same line. The deposited soln. is dried by continuously blowing hot air up the centre of the cylinder and through a perforated pipe around the circumference of the cylinder in the same plane as the line of deposition of soln. Used as distributor of samples, esp. for chromatography. Allows the automatic depositing of a concd. sample from a dil. soln.
FR7438578A 1974-11-25 1974-11-25 Deposition on backing sheet of conc. sample from dil soln. - by repeated automatic deposition of solution on the same straight line Granted FR2292228A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7438578A FR2292228A1 (en) 1974-11-25 1974-11-25 Deposition on backing sheet of conc. sample from dil soln. - by repeated automatic deposition of solution on the same straight line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7438578A FR2292228A1 (en) 1974-11-25 1974-11-25 Deposition on backing sheet of conc. sample from dil soln. - by repeated automatic deposition of solution on the same straight line

Publications (2)

Publication Number Publication Date
FR2292228A1 true FR2292228A1 (en) 1976-06-18
FR2292228B3 FR2292228B3 (en) 1977-08-26

Family

ID=9145209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7438578A Granted FR2292228A1 (en) 1974-11-25 1974-11-25 Deposition on backing sheet of conc. sample from dil soln. - by repeated automatic deposition of solution on the same straight line

Country Status (1)

Country Link
FR (1) FR2292228A1 (en)

Also Published As

Publication number Publication date
FR2292228B3 (en) 1977-08-26

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Legal Events

Date Code Title Description
ST Notification of lapse