Measuring and testing – Measuring vessel
Patent
1976-08-05
1979-09-18
Turk, Arnold
Measuring and testing
Measuring vessel
232306, 23920, 210 73R, 210205, 210323R, 210387, 422 71, 422101, G01N 114, G01N 134
Patent
active
041678753
ABSTRACT:
Apparatus for treating samples comprising a sample holding element; a wash trough removably positioned over the sample holding element; transfer tubes or conduits in sample receiving contact with the sample holding element, extending through the wash trough to a transfer head positioned over a vacuum manifold which elements, in combination, deliver sample from the sample holding element directly to a plurality of filter discs in said vacuum manifold means. A cutter block is positioned between the transfer head and manifold. The apparatus is designed and arranged so that the cutter block will simultaneously cut and position a plurality of filter paper discs on said filter discs. A plurality of individual samples can be treated rapidly while minimizing the amount of filter paper used with assurance of quantitative sample transfer.
REFERENCES:
patent: 3138015 (1964-06-01), Avery
patent: 3269800 (1966-08-01), Lukrec
patent: 3319792 (1967-05-01), Leder et al.
patent: 3554700 (1971-01-01), Maxon
patent: 3684452 (1972-08-01), Bessman
patent: 3888770 (1975-06-01), Avital et al.
patent: 3923463 (1975-12-01), Bagshawe et al.
patent: 3923463 (1975-12-01), Bagshawe et al.
Treadwell et al., "Analytical Chemistry", vol. II, John Wiley & Sons; London; 1930; pp. 25-32.
Breiner A. W.
Turk Arnold
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