الفهرس 
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Abstract
This work comprises of three chapters
1- In the first chapter, a literature survey of the pervious studies on
warfarin, coumarin rodenticides and their complexes with different
reagent is given. The survey includes spectrophotometric, and
chromatographic studies on warfarin and coumarin rodenticides and their
complexes.
2- The experimental part (chapter II), includes the preparation of different
concentration of compounds under investigation (warfarin) as a drug and
(bromadiolone) as a coumarin rodenticide. It mcomprises also
information about the instrument used for spectrophotometric analysis.
3- Chapter III, includes the results and discussion, includes the studies in
solution of complexes formed between both warfarin and bromadiolone
with reagents bromophenol blue, bromocrysol green, bromocrysol purple,
bromothymol blue and fast blue.