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Experiment 34 The Determination of Sodium in Soda Pop

Note It is presumed that you have previously performed Experiment 29 or another introductory experiment on the atomic absorption equipment. If you have not done this, carefully read through the Experiment 29 procedure so that you are aware of certain precautions and instrument setup requirements. [Pg.271]

Prepare 100 mL of a 100 ppm sodium solution from the available 1000 ppm. Obtain soda pop samples and degas approximately 5 to 10 mL of each. [Pg.271]

From the 100 ppm Na stock, prepare standards of 1,3, 5, and 7 ppm in 25-mL volumetric flasks. A control sample may also be provided. Dilute to the mark with distilled H20. [Pg.271]

Pipet 1 mL of each soda pop sample into separate 25-mL volumetric flasks and dilute to the mark with distilled water. Shake. [Pg.271]

Obtain absorbance values for all standards, samples, and the control using an atomic absorption instrument. [Pg.271]


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