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MANOVA Statistical Analysis of Inorganic Compounds in Groundwater Indonesia

MANOVA Statistical Analysis of Inorganic Compounds in Groundwater Indonesia
Heruna Tanty , Rokhana Dwi Bekti , Tati Herlina , Nurlelasari
Universitas Padjadjaran, IOSR Journal of Environmental Science. Toxicology and Food Technolov (1OSR-JESTFT) e-ISSN.: 2319-2402.p- ISSN: 2319-2399. Volume 8. Issue 4 Ver. (Apr. 2014). PP 41-45 www.iosriournals.org
Bahasa Inggris
Universitas Padjadjaran, IOSR Journal of Environmental Science. Toxicology and Food Technolov (1OSR-JESTFT) e-ISSN.: 2319-2402.p- ISSN: 2319-2399. Volume 8. Issue 4 Ver. (Apr. 2014). PP 41-45 www.iosriournals.org
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The present study was carried out to determination a levels of inorganic compounds contained in the ground water and Reverse Osmosis (RO) water filtration result. The data in groundwater samples was collected from Bekasi, Tangerang and Jakarta in Indonesia. A total of 30 samples were collected and analysed for the determination of Cadmium (Cd), Chromium (CrL Manganese (Mn) , Cyanide (CN) and Lead (Pb). The results of the study revealed that in groundwater, the average of Cd 0.0058 mg / 1. Mn 1.5233 mg( I , Cr 0.0127 mg/I, Pb 0.0060 mg / 1. and CN 0.0040 mg / I. The level of RO result were: Cd 0.0027 mg / I. Mn 0.1767 mg / 1 Cr 0.0024 mg / L Pb 0.0021 mg / 1, and CN 0.0023 mg / i . It ‘s mean that Cd and Mn in ground water were higher than the values recommended hr PAK-EPA and WHO or the standard of Indonesian Minim. of Health. But after filtration Reverse Osmosis (RO) .111: and Cd levels decreased to levels below the standartked value. By comparing of mean in MANOVA and nonparametric MANOVA in a=5%, there are differences in average levels of inorganic substances Mn, Cr, Cd. Pb, and CN between before and after RO filtration.

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