MEMBRANE FILTER TECHNIQUE AS APPLIED TO WATER BACTERIOLOGY

Abstract

A eanttry wuiijeie of water to eeaentia before a choosing the methods of purification or before ng it as a potable water. The ui ple- 4i . .Oi tube food. ,Ue .ah is uned in nd a se a standard method is a tit 0AOMi g one. A membrane filter teomito has been developed which Is a s ple one d gives rOsuits in lees time* Zt also gives s the idea of true denett7 at pcilutioi, w}ici is only indirectly obteined in the reth * Much work has been done on development of the tembrene .fi.ilter t ecnie in foreign countries. An effort is %ado in tbis papor to detez,aine the desires . itty of this method in Wta# Comparative ezpsrirente batwen MR and M technique were Carried out on waters from different sources. The results tn4iate that the I.? technique is as good as the standsrd metbod for potable waters and recen polluted waters. The ' teo , tue mot be applied to waters having large eznounta of turbidity or algal matter.