Abstract

S. B. Rai and R. A. K. Singh

E .coli and total bacteria have been investigated by methylene blue method. For bacteriological analysis sample is collected in presterillzed glass bottles in ice-box. Bacteriological counts are performed by making appropriate dilution of the sample and incubating at 37°±1° for 48 hours. MPN of coliform is found in terms of Index 100 ml and comparison is made with standard value.

methylene; bacteriological; ice-box presterillzed

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