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A nitrite test is a standard component of a urinary test strip. A positive test for nitrites in the urine is called nitrituria. This test is commonly used in diagnosing urinary tract infections (UTIs). A positive nitrite test indicates that the cause of the UTI is a Gram-negative organism, most commonly Escherichia coli. The reason for nitrites ...
A urine test strip or dipstick is a basic diagnostic tool used ... have enzymes that reduce the nitrate present in urine to nitrite. [18] The test is a rapid screen ...
The interpretation of urinalysis takes into account the results of physical, chemical and microscopic examination and the person's overall condition. Urine test results should always be interpreted using the reference range provided by the laboratory that performed the test, or using information provided by the test strip/device manufacturer. [136]
Reference ranges for urine tests are described below: Measurement Lower limit Upper limit ... Nitrite: n/a: 0 / negative [2] Leukocytes: n/a: 0 / negative [2] See also.
Positive test results may be clinically significant in the right context. The LE test is also used to screen for gonorrhea and for amniotic fluid infections. The combination of the LE test with the urinary nitrite test provides an excellent screen for establishing the presence of a UTI. Urine test strips (dipsticks) can
Nitrate Test by using Brown Ring Test. A common nitrate test, known as the brown ring test [2] can be performed by adding iron(II) sulfate to a solution of a nitrate, then slowly adding concentrated sulfuric acid such that the acid forms a layer below the aqueous solution. A brown ring will form at the junction of the two layers, indicating the ...
Retrieved from "https://en.wikipedia.org/w/index.php?title=Urine_test_strips&oldid=440987539"This page was last edited on 23 July 2011, at 11:58 (UTC) (UTC)
The test was used in forensics for many years to test for the traces of nitroglycerine. Caustic soda is used to break down sample containing nitroglycerine to produce nitrite ions. The test involves the taking of a sample with ether and its division into two bowls. Caustic soda is added to the first bowl followed by the Griess reagent; if the ...