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Journal of Dairy Science Vol. 55 No. 5 642-644
© 1972 by American Dairy Science Association ®
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Simple and Sensitive Procedure for Determining Nitrate and Nitrite in Mixtures in Biological Fluids1

Thomas N. Wegner

Department of Dairy and Food Sciences, The University of Arizona, Tucson 85721

ABSTRACT

This paper describes a technic which has been used to determine both nitrate and nitrite nitrogen in water, whole blood, milk, urine, and from aqueous plant extracts. The technic combines an adaptation of two published methods and obviates some drawbacks of the more popular colorimetrie procedures. The useful range of sensitivity for the combined determination is .15 to 1.5 µ/ml for both nitrite and nitrate nitrogen.

FOOTNOTES

1 Journal paper 1834 of the Arizona Agricultural Experiment Station.






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Copyright © 1972 by the American Dairy Science Association ®.