Groundwater is one of the most useful water sources. Contamination of such water source is a big problem creating health hazards. In this present study we have collected groundwater samples from different places of Bhiloda taluka of Sabarkantha district (North Gujarat) India. These samples have been assessed on the basis of various qualitative parameters. The results of physico-chemical study of water samples from 13 bore wells in Bhiloda taluka are presented. The water quality parameters such as; pH, electrical conductivity (EC), total dissolved salts (TDS), calcium and magnesium, sodium, potassium, carbonate, bicarbonate, chloride, sulphate, fluoride, sodium adsorption ratio (SAR), residual sodium carbonate (RSC) and soluble sodium percentage ( SSP ) were estimated.
The formation constants of binary complexes of d10metal ions Cu(II), Ni(II), Co(II) and Mn(II) with 3-[{3-(3’-chloro phenyl}-prop-2-enoyl]-4-hydroxy-6-methyl-2H-chromen-2-one have been studied by using Irving-Rossoti method at constant temperature 30±1°C and ionic strength μ=0.1 M dM-3was held constant using sodium nitrate as an electrolyte. The factors influencing formation and stabilities of binary complexes have been discussed.
Synthesis and Antibacterial Activity of Some 1-Phenyl-3,5-diaryl-2pyrazolines and 3,5-Diaryl-2-isoxazolines. -The new title compounds (V) and (VI) are prepared and examined for biological activities. -(ANKHI-WALA, M. D.; HATHI, M. V.; J. Indian Chem. Soc. 71 (1994) 9, 587-589; Dep. Chem., R. R. Mehta Coll. Sci., Palanpur 385 002, India; EN)
Various 2-phenyloxy-4,6-bisarylhydrazino-1,3,5-triazines(3a-f) were prepared by reaction of 2- phenyloxy -4,6-dichloro -1,3,5-triazine and various aryl hydrazine derivatives. All the 3a-f derivatives were characterized by elemental analysis and IR spectral studies. All the compounds were screened for microbial activity against gram-positive and gram-negative bacteria.
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