The study of zinc metal concentration by spectrophotometric method from Godavari River at Nanded, Maharashatra

The history, culture, current and future socio-economic status and environmental sustainability of Nanded and its people is intricately linked with the river Godavari. The Godavari is primary source of water for a multitude of strategically important water uses such as drinking, fishing, industrial use, livestock and irrigation and there is a critical need to ensure the security of the Godavari River against any natural or anthropogenic threats and to develop an effective water resource system. The main sources of zinc in aquatic system are metal production unit and other industrial source. Zinc is nutritionally an essential element for humans, plants and animals. Drinking water can become a source of metal in human body and may result in deficiency or health hazards. In the present investigation the Godavari river at Nanded city is selected as study area. The water sample is collected from different point sample S1 and S2 for the period of Jan to December 2009. The sample is analyzed for zinc content by ‘Dithiozone’ method on spectrophotometer at 535 nm. In the present study the zinc content lowest in the month of August 4.4 & 4.2 mg/lit & highest in the Month of May 6.7 & 6.5 mg/lit. in S1 and S2 sample respectively. Investigation revealed that the zinc concentrations in river water exceed the permissible limit of WHO for both S1 and S2 sample

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