G - Physics – 01 – N
Patent
G - Physics
01
N
150/3
G01N 33/48 (2006.01) G01N 31/22 (2006.01) G01N 33/72 (2006.01)
Patent
CA 1054032
ABSTRACT OF THE DISCLOSURE 4-fluoro-3-nitrobenzenediazonium salts in test compositions cap- able of specific and sensitive determination of urobilinogen without any interference of bilirubin in an aqueous solution or body fluid such as urine. The diazonium salts have incorporated special stabilizing anions. In addition to a 4-fluoro-3-nitrobenzene diazonium salt, the test compo- sitions preferably include an acid constituent capable of producing an acid pH upon contacting the solution to be tested. The test device comprises a bibulous carrier member, such as paper impregnated with the test com- position in dry form.
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