Determination Of Median Tolerance Limit Of Colisa Fasciatus For Azodyes Metanil Yellow And Bismark Brown
Abstract
The present study is to evaluate the LC50 value of a fresh water fish Colisa fasciatus when exposed to azodyes Metanil yellow( 4” Aniline azobenzene –m – sulfonic acid) and Bismark brown ( 2,4, - diamino 3” aminoazobenzene). In case of metanil yellow the LC50 value at 96 hrs. Exposure was calculated to be 1.8751 Log mg / l. In case of bismark browm the LC50 value at 96 hrs exposure was calculated to be 1.9031 Log mg / l.
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