A Study on Total Dissolved Solids and Hardness Level of Drinking Mineral Water in Bangladesh
American Journal of Applied Chemistry
Volume 4, Issue 5, October 2016, Pages: 164-169
Received: Jul. 21, 2016; Accepted: Jul. 29, 2016; Published: Aug. 17, 2016
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Mohammad Rafiqul Islam, Department of Environmental Science, Independent University, Bangladesh (IUB), Dhaka, Bangladesh
Mohammad Khairul Islam Sarkar, Department of Environmental Science, Independent University, Bangladesh (IUB), Dhaka, Bangladesh
Tanzina Afrin, Department of Civil Engineering, Dhaka University of Engineering & Technology (DUET), Dhaka, Bangladesh
Shafkat Shamim Rahman, Department of Mathematics & Natural Sciences, BRAC University, Dhaka, Bangladesh
Rabiul Islam Talukder, Department of Biochemistry, Primeasia University, Dhaka, Bangladesh
Barun Kanti Howlader, Department of Quality Control, Everest Drinks and Dairy Products Ltd, Dhaka, Bangladesh
Md. Abdul Khaleque, Department of Environmental Science, Independent University, Bangladesh (IUB), Dhaka, Bangladesh
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Natural water is being processed by the Reverse Osmosis purification system in the different area of Bangladesh for drinking purposes. Most of the water processing companies fill the 500 mL, 1000 mL, 2000 mL and 5000 mL bottles with this processed water and sell widely in the different parts of Bangladesh. However, the dissolved minerals in their purified drinking water are not sufficient for human health. Total Dissolve Solids (TDS) is a parameter that counts all dissolved minerals in the water. Calcium, magnesium and potassium are minerals that are introduce as a “Beneficial Minerals” for human health. Calcium is an important mineral for bone development, potassium is needed for muscles and nervous system and magnesium is helpful protect cardiovascular disease. The objective of the study is to examine the Total Dissolved Solids (minerals) and the Total Hardness (TH) in selected bottled water samples. The selected samples have been marketed by the local branded companies in Bangladesh. TDS and TH are measured in total eight of bottled water samples collected from the local confectionery shops in Dhaka city. The obtained results show that the levels of dissolved minerals in the drinking water samples are very low, which is quite alarming. Particularly, calcium and magnesium are found in very low amount in water samples of three companies. It can be assumed that those bottled water do not bring additional benefits to human health. The TDS of sample of one company was alarming low (9.44 mg/L. It may pose negative effects on human health especially malnourished people’s health.
Drinking Water, Mineral, Dissolved Solid, TDS, BDS, BSTI, WHO
To cite this article
Mohammad Rafiqul Islam, Mohammad Khairul Islam Sarkar, Tanzina Afrin, Shafkat Shamim Rahman, Rabiul Islam Talukder, Barun Kanti Howlader, Md. Abdul Khaleque, A Study on Total Dissolved Solids and Hardness Level of Drinking Mineral Water in Bangladesh, American Journal of Applied Chemistry. Vol. 4, No. 5, 2016, pp. 164-169. doi: 10.11648/j.ajac.20160405.11
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