Estimation Of Sulphate In Water Sample Environmental Science Practical MSc

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ESTIMATION OF SULPHATE IN WATER SAMPLE • _______________________________________________ • #Conditioning reagent • 15.7 g NaCl + 75ml dis water • 7.5 ml con HCl • Ethanol 25 ml • Glycerol 12.5ml • #Bacl2 solution • 1g bacl2 + 100 ml • • #Sample preparation • 1g any sulphate salt in 1000 ml water • #Blank • 10 ml distilled water + 1ml conditioning reagent + 2ml BaCl2 solution • #sample for spec reading • 10ml sample + 1ml conditioning reagent + 2ml BaCl2 solution • Read at 470nm • • Plot 📈 • Y axis O.D value • X axis concentration

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