کل 26857

 Hardness

20اردیبهشت
A survey on fluoride, nitrate, iron, manganese and total hardness in drinking water of Fereidonkenar, Northern Iran during 2008-2013

A survey on fluoride, nitrate, iron, manganese and total hardness in drinking water of Fereidonkenar, Northern Iran during 2008-2013

The purpose of present study was to evaluate fluoride, nitrate, iron, manganese and total hardness in drinking water of wells and reservoirs in Fereidonkenar, Mazandaran, Northern Iran and compare the results with national and international standards.

12اردیبهشت
Assessment of household reverse-osmosis systems in heavy metal and solute ion removal in real and synthetic samples

Assessment of household reverse-osmosis systems in heavy metal and solute ion removal in real and synthetic samples

In this study, the efficiency of household reverse-osmosis system (HROS) with and without neutralizer accessory was investigated in both real and synthetic samples. The real samples were collected from rural and urban public drinking-water systems with and without primary refinery treatment. The selected areas were situated in the Kurdistan province, Iran.

11اردیبهشت
Assessment of Birjand flood plain water quality by physico chemical parameters analysis in Iran

Assessment of Birjand flood plain water quality by physico chemical parameters analysis in Iran

We assessed the physico-chemical status of twelve surface water samples from the Birjand flood plain (east of Iran) during fall 2010. The sampling points were selected on the basis of their importance.

08اردیبهشت
Assessment of Birjand flood plain water quality by physico chemical parameters analysis in Iran

Assessment of Birjand flood plain water quality by physico chemical parameters analysis in Iran

We assessed the physico-chemical status of twelve surface water samples from the Birjand flood plain (east of Iran) during fall 2010. The sampling points were selected on the basis of their importance.