تقدير الفناديوم الخماسي بتقنية الحقن الجرياني (رحيل و تلاقي المناطق)‎

الملخص EN

The aim of this research is the determination of vanadium (V) by flow injection analysis using merging zone technique.

the method is based on the reaction of vanadium (V) with pyrogallol as a reagent at 580nm.

this method involves a homemade new valve, which manufactured from a cheap materials.

the optimum conditions for the reaction includes, flow rate, sample volume, reagent volume, reagent concentration, and reaction coil length.

the method was successfully applied for the determination of vanadium (V) in pharmaceutical and environmental samples.

linearity was in the range of (0.001-5) ppm, correlation coefficient (R2) was 0.9994 and the limit of detection (S / N=3) is 5 ng.ml-1.