Method for dispensing a microgram or millligram sample from a po

Details Method for dispensing a microgram or millligram sample from a po Method for dispensing a microgram or millligram sample from a po

1988-01-06

1990-03-06

Raevis, Robert R.

Measuring and testing

Sampler, sample handling, etc.

Capture device

B01L 302

Patent

active

049055259

ABSTRACT:
In a magazine (1) that has an outlet (2) at the end of a forming channel (13) for dispensing a sample which is to be analyzed for example by atomic absorption spectrometry, a pusher (3) projects from above into the pulverized sample material (5) which is in the magazine (1). A small sample quantity is pressed out of the forming channel (13) and ejected through the outlet (2) by pressing the pusher (3) into the sample material (5) so that the sample material (5) is pressed into the forming channel (13) above the outlet (2) and then a small quantity in the micro- or milligram range is ejected.

REFERENCES:
patent: 2590900 (1952-04-01), Sommerstein
patent: 4186187 (1980-01-01), Jahnsen et al.
patent: 4188986 (1980-02-01), Wetterlin et al.
patent: 4221306 (1980-09-01), Althoff
patent: 4270675 (1981-06-01), Wilks et al.
patent: 4463875 (1984-08-01), Tepic
patent: 4479720 (1984-10-01), Mochida et al.
patent: 4542835 (1985-09-01), Gamberini

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