| 摘要 |
PURPOSE:To simultaneously treat a plurality of samples by a single apparatus, by providing a sample concn. tank having a plurality of evaporation tanks, an infrared heater, a cooling part having an inclined surface and a conduit constituted so as to position an opening part other than the concn. tank. CONSTITUTION:A sample concn. tank 1 can be separated into paper and lower parts at a facing-up part 2 and the lower part is partitioned into a plurality of evaporation tank 4 by partition plates 3. A sample raw solution 5 is received in the evaporation tanks 4 in such a state that the upper part is detached and heated from above by infrared heaters 6 to generate steam which is, in turn, condensed by a cooling part 9 and the condensate dripped from the lowermost part of the cooling part 9 is collected in a collection bottle 14 through the conduit 13 opened directly under said lowermost part and provided so as to pierce through the side surface of the upper part. After evaporation, the evaporation residue is collected by a pipet in such a state that the upper part of the concn. tank is detached.
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