Method, reagent and kit for the determination of nitrate ions

Details Method, reagent and kit for the determination of nitrate ions Method, reagent and kit for the determination of nitrate ions

1985-02-15

1987-09-01

Lacey, David L.

Chemistry: analytical and immunological testing

Nitrogen containing

Nitrite or nitrate

422 61, G01N 3122

Patent

active

046909028

ABSTRACT:
A method for the colorimetric determination of nitrate ions comprises mixing the sample which is to be investigated with concentrated sulfuric acid and a color-generating compound of the formula ##STR1## wherein R is H, one equivalent of a cation, or C.sub.1-6 alkyl. A reagent and kit for colorimetric nitrate determination are also described.

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Lange, et al., Photometrische Analyse, Verlag Chemie Weinheim, 7th Ed., (1980), pp. 365-367.
Grant, "Hackh's Chemical Dictionary", McGraw-Hill Book Co., 1969.

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