Single Sweep Oscillopolarography of Meloxicam in HCl Supporting Electrolyte
MA Si-gong
Abstract
MA Si-gong
Abstract
In a supporting electrolyte containing 0.05mol/LKCl (pH 1.70), a sensitive derivative reduction peak of meloxicam was observed by single-sweep oscillopolarography. The peak potential is -1.05V (vs .SCE). The relationship between peak current and the concentration of MLX is linear in the range of 1×10-7mol/L~9×10-6mol/L(r =0.9992).The detection limit is 5.0×10-8mol/L . The method was applied to determination of meloxicam in urine sample.
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In a supporting electrolyte containing 0.05mol/LKCl (pH 1.70), a sensitive derivative reduction peak of meloxicam was observed by single-sweep oscillopolarography. The peak potential is -1.05V (vs .SCE). The relationship between peak current and the concentration of MLX is linear in the range of 1×10-7mol/L~9×10-6mol/L(r =0.9992).The detection limit is 5.0×10-8mol/L . The method was applied to determination of meloxicam in urine sample.
Key concepts: Meloxicam, Electrolyte, Detection limit, Chemistry, Derivative (finance), Linear range, Supporting electrolyte, Analytical Chemistry (journal)