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I. Feldman, “Use and Abuse of pH Measurements,” Ana-lytical Chemistry, Vol. 28, No. 12, 1956, pp. 1859-1866.

has been cited by the following article:

• TITLE: BOD Exertion and OD600 Measurements in Presence of Heavy Metal Ions Using Microbes from Dairy Wastewater as a Seed

  AUTHORS: Susheel K. Mittal, Siloni Goel

  KEYWORDS: BOD Inhibition, Metal Ions, OD600, Microbes, Dairy Wastewater

  JOURNAL NAME: Journal of Water Resource and Protection, Vol.2 No.5, May 27, 2010

  ABSTRACT: BOD measurements in presence of cobalt, nickel, copper, zinc, silver and cadmium are reported using wastewater from dairy industry as a seed. Extent of inhibition in BOD is studied for variables like, concen-tration of metal ions (0.2 mM to 1.4 mM), pH (3 to 8) and temperature of incubation (15℃, 20℃, 25℃, 30℃ and 35℃). Results of BOD inhibition are supported by absorbance measurement (OD600) studies of microbial matter preserved in Luriya broth medium. OD measurement results are used to derive minimum inhibitory concentration, i.e., threshold concentration of each metal showing toxicity towards microbes. Sil-ver is found to be the most toxic element.