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US 12,560,545 B2Granted
Colorimetric measurement of fludioxonil
AssigneeSyngenta Crop Protection AG
InventorYanxiang Shi
Life of this patent
Estimating the term…
Abstract
A process for determining the fludioxonil content in a liquid medium by performing a color reaction with [4-(dimethylamino)phenyl]methanol (p-DAB) or 4-Dimethylaminocinnamaldehyde (DMACA) and an acid in the presence of fludioxonil and obtaining a colorimetric reading for the resulting mixture after a period of time.
Claims11
A method of performing a color reaction in the presence of fludioxonil in a liquid medium, the method comprising:
- mixing an indicator selected from at least one of [4-(dimethylamino)phenyl]methanol and 4-dimethylaminocinnamaldehyde with an acid and fludioxonil
- wherein the acid includes at least one of phosphoric acid, sulfuric acid, nitric acid, hydrochloric acid, acetic acid, carbonic acid, hydrofluoric acid, citric acid, oxalic acid, or boric acid.
A kit comprising:
- a. [4-(dimethylamino)phenyl]methanol or 4-Dimethylaminocinnamaldehyde
- b. an acid;
- and
- c. fludioxonil
- wherein the acid includes at least one of phosphoric acid, sulfuric acid, nitric acid, hydrochloric acid, acetic acid, carbonic acid, hydrofluoric acid, citric acid, oxalic acid, or boric acid.
2 more elements
Dependencies are inferred from the claim text.