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View Full Version : Making buffers!


josesaltos
Mar 21, 2007, 01:46 PM
How do I make a bicarbonate buffer pH 9

Evil dead
Mar 21, 2007, 03:36 PM
Buffer (69.25ml of Na2HPO4, 30.75ml of Citric Acid) pH 6.4 (5ml per test tube)

So an accurate prediction of pH 9 would be 90.00ml of Na2HPO4 and 10.00ml of Citric Acid