Chemistry: physical processes – Physical processes – Crystallization
Patent
1976-09-27
1978-04-11
Scovronek, Joseph
Chemistry: physical processes
Physical processes
Crystallization
23253R, 23259, 177114, 426231, G01G 1324, G01N 3300, G01N 3302
Patent
active
040836908
ABSTRACT:
A novel automatic apparatus for preparing a sample for analysis and a novel method for preparation of the sample are provided, whereby specified fractions of plural liquid samples can be automatically and successively collected by distillation. The apparatus comprises an inert gas charging means, a multi-way selector liquid sampler means operated by a timer, a liquid sample charging and discharging means operated by a timer, a distillation still, a fraction selector means and fraction receivers, which are connected in that order by pipe lines. The apparatus and method are especially useful, for example, for preparing a sample for analysis of a diacetyl-odor component and a sample for Kjeldahl determination method.
REFERENCES:
patent: 3028225 (1962-04-01), Sheen
patent: 3236321 (1966-02-01), Katagiri et al.
patent: 3515672 (1970-06-01), Reinish et al.
patent: 3826621 (1974-07-01), Johnson, Jr. et al.
patent: 3846075 (1974-11-01), Cioffi
patent: 3964869 (1976-06-01), Aegidius
West et al., Studies on Diacetyl in Beer, American Society of Brewing Chemists, Proceedings, pp. 81-88 (1952).
Owades et al., Microdetermination of Diacetyl in Beer, American Society of Brewing Chemists, Proceedings, pp. 22-25 (1963).
Kirin Beer Kabushiki Kaisha
Scovronek Joseph
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