2001•Journal of Jiangxi Normal UniversityRequires access

Spectrophotometric Determination of Chromium in Piperonal Fluorone Microemulsion Medium

Ming Zhong

Abstract

The colour reaction of chromium with piperonal fluorone in microemulsion has been studied.Its apparent molar absorptivity is 9.5×10 4 L·mol -1 ·cm -1 (measurement wavelength 595 nm,reference wavelength 525 nm).Beer′s law is obeyed in the range of 0～7/25 μg/mL for chromium.This method can be applied to the determination of chromium in steel with satisfactory results.

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Key concepts: Molar absorptivity, Microemulsion, Chromium, Color reaction, Spectrophotometry, Chemistry, Wavelength, Nuclear chemistry