User:Karlena L. Brown/Notebook/PVOH Research/2012/10/09: Difference between revisions
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* The solvent used to dilute each solution was distilled H<sub>2</sub>O | * The solvent used to dilute each solution was distilled H<sub>2</sub>O | ||
'''Na<sub>2</sub>SO<sub>4</sub> Dilution Standards''' | |||
5mL 1 ppm Na<sub>2</sub>SO<sub>4</sub> requires: | |||
(1000 ppm Na<sub>2</sub>SO<sub>4</sub>)V<sub>1</sub> = (1 ppm Na<sub>2</sub>SO<sub>4</sub>)(5mL) | |||
V<sub>1</sub> = 0.005mL | |||
5mL 5 ppm Na<sub>2</sub>SO<sub>4</sub> requires: | |||
(1000 ppm Na<sub>2</sub>SO<sub>4</sub>)V<sub>1</sub> = (5 ppm Na<sub>2</sub>SO<sub>4</sub>)(5mL) | |||
V<sub>1</sub> = 0.025mL | |||
5mL 10 ppm Na<sub>2</sub>SO<sub>4</sub> requires: | |||
(1000 ppm Na<sub>2</sub>SO<sub>4</sub>)V<sub>1</sub> = (10 ppm Na<sub>2</sub>SO<sub>4</sub>)(5mL) | |||
V<sub>1</sub> = 0.05mL | |||
5mL 15 ppm Na<sub>2</sub>SO<sub>4</sub> requires: | |||
(1000ppm Na<sub>2</sub>SO<sub>4</sub>)V<sub>1</sub> = (15 ppm Na<sub>2</sub>SO<sub>4</sub>)(5mL) | |||
V<sub>1</sub> = 0.075mL | |||
5mL 20 ppm Na<sub>2</sub>SO<sub>4</sub> requires: | |||
(1000 ppm Na<sub>2</sub>SO<sub>4</sub>)V<sub>1</sub> = (20 ppm Na<sub>2</sub>SO<sub>4</sub>)(5mL) | |||
V<sub>1</sub> = 0.100mL | |||
Revision as of 22:27, 22 October 2012
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OBJECTIVES
Ion Selective Electrode Procedures
REPEAT ABOVE PROCEDURES FOR ALL CuSO4 STANDARD SOLUTIONS:2 ppm, 5 ppm, 10 ppm, AND 15 ppm REPEAT ABOVE PROCEDURES FOR ALL Na2SO4 STANDARD SOLUTIONS:1 ppm, 2 ppm, 5 ppm, 10 ppm, 15 ppm, AND 20 ppm REPEAT PROCEDURES FOR INTERVAL AQUEOUS FILTRATE CuSO4 EXCHANGED CLAY SOLUTIONS: 7.4 ppm AND 10 ppm Ion Selective Electrode Sample Preparations & ResultsBefore collecting sample measurements from the ion selective electrode instrument:
Na2SO4 Dilution Standards 5mL 1 ppm Na2SO4 requires: (1000 ppm Na2SO4)V1 = (1 ppm Na2SO4)(5mL) V1 = 0.005mL 5mL 5 ppm Na2SO4 requires: (1000 ppm Na2SO4)V1 = (5 ppm Na2SO4)(5mL) V1 = 0.025mL 5mL 10 ppm Na2SO4 requires: (1000 ppm Na2SO4)V1 = (10 ppm Na2SO4)(5mL) V1 = 0.05mL 5mL 15 ppm Na2SO4 requires: (1000ppm Na2SO4)V1 = (15 ppm Na2SO4)(5mL) V1 = 0.075mL 5mL 20 ppm Na2SO4 requires: (1000 ppm Na2SO4)V1 = (20 ppm Na2SO4)(5mL) V1 = 0.100mL
DSC Sample PreparationRECALL DSC PROCEDURES FROM 9/17/12
Notes:
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