Chemistry: physical processes – Physical processes – Crystallization
Patent
1973-07-12
1976-01-27
Scovronek, Joseph
Chemistry: physical processes
Physical processes
Crystallization
23254R, 23254EF, 23255R, G01N 3108
Patent
active
039349810
ABSTRACT:
Apparatus for quantitatively determining the presence of chloromethyl methyl ether and/or bis-chloromethyl ether in a fluid.
The above compounds are reacted in the apparatus of the invention with a reactant from the group consisting of an alkali metal salt of a lower alcohol, an alkali metal salt of phenol or an alkyl phenol, an alkali metal salt of a chlorophenol or a bromophenol, an alkali metal salt of an alkoxy phenol, an alkali metal salt of a chlorinated pyridinol, and an alkali metal salt of thiophenol, dissolved in a lower alcohol, to form derivatives which provide suitable stability, specificity and sensitivity, and then applied to a gas chromatograph utilizing a suitable detector coupled to a readout device. The apparatus is automated and controlled by timing means.
REFERENCES:
patent: 3073682 (1963-01-01), Lindsley
patent: 3578404 (1971-05-01), Walles et al.
patent: 3725009 (1973-04-01), Lovelock
patent: 3778230 (1973-12-01), Arikawa et al.
patent: 3807217 (1974-04-01), Wilkins et al.
patent: 3826621 (1974-07-01), Johnson, Jr. et al.
patent: 3856471 (1974-12-01), Winitz et al.
Ault Eldon F.
Solomon Richard A.
Ayers Earl D.
Hollander Barry I.
Korfhage Glenn H.
Schilling Edward E.
Scovronek Joseph
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