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Chemiluminescence reaction of thiazide compounds with tris(2,2′-bipyridine)ruthenium(III)

✍ Scribed by John A. Holeman; Neil D. Danielson

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
585 KB
Volume
277
Category
Article
ISSN
0003-2670

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✦ Synopsis

The chemiluminescence reaction of five thiazide diuretic compounds with tris(2,2'-bipyridinejruthenium(II1) is studied by flow injection over a range of pH values of the carrier stream. The optimum pH range was generally 4-6. One compound, hydroflumethiazide, could be detected at the 0.06 pmole (1 ng ml-') level. The detection limits for hydrochlorothiazide and cyclothiazide were at l-2 pmole (13 and 41 ng ml-', respectively). Two other compounds, chlorothiazide and trichlormethiazide, are only detectable at /Lg ml-' levels. Hydrochlorothiazide was quantified with a 103% recovery from a pharmaceutical capsule.

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