Film badge for determining carbonyl compounds

Details Film badge for determining carbonyl compounds Film badge for determining carbonyl compounds

1981-08-20

1983-04-19

Turk, Arnold

Chemistry: analytical and immunological testing

Oxygen containing

Carbonyl, ether, aldehyde or ketone containing

422 57, 422 58, 422 83, 422 88, 436 4, 436167, 436902, G01N 2175, G01N 3100

Patent

active

043805876

ABSTRACT:
Method for the determination of fluidic-contained aldehydes. The method comprises bringing into contact said aldehyde and a chemically inert substrate having adhered to the surface thereof a substantially monodisperse system of particles of a derivatizing agent for the aldehydes thereby forming nucleating crystals; treating said nucleating crystals with a metastable supersaturated solution in which said nucleating crystals can grow; growing said nucleating crystals to form an optically measurable film of crystals; and optically measuring said film of crystals to determine the concentration of fluidic-contained aldehydes.

REFERENCES:
patent: 3642449 (1972-02-01), Novak et al.
patent: 3645696 (1972-02-01), Iannacone et al.
patent: 3950980 (1976-04-01), Braun et al.
Konopczynshi, Chemical Abstracts, vol. 88, 1978, No. 88:140930v.
Browne et al., "Physical and Chemical Methods of Sugar Analysis" John Wiley & Sons, New York, 1941, pp. 665-676.
Knapp, "Handbook of Analytical Derivatization Reactions", John Wiley & Sons, New York, 1979, pp. 338-346.

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