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Cr(VI)是一种有毒的物质,在多种环境样品中大量的存在。Cr(VI)测定通常采用分光光度法,但受到Fe、Cu、U等有色物质的
Cr (VI) is a toxic substance found in large quantities in a variety of environmental samples. Cr (VI) determination usually spectrophotometry, but by Fe, Cu, U and other colored material