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dot web crusher p 270 in congo

Congo red an azo dye derived from benzidine and 2azoxyfluorene a derivative of 2aminofluorene were reduced during overnight incubation with a suspension of rat intestinal and uv spectral analysis verified the presence of benzidine in the extracts of the Congo red incubations Extracts of the Congo red incubations were mutagenic toward Salmonella typhimurium TA1538 in ...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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