User:Karlena L. Brown/Notebook/PVOH Research/2012/10/09: Difference between revisions
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# Then press the arrows until ISE (ion selective electrode) and mV (millivolts) appear on the screen | # Then press the arrows until ISE (ion selective electrode) and mV (millivolts) appear on the screen | ||
# Remove the electrode from the storage solution | # Remove the electrode from the storage solution | ||
# Rinse the electrode with distilled | # Rinse the electrode with distilled H<sub>2</sub>O and thoroughly dry it with a KimWipe | ||
# Place the electrode directly into the 1ppm | # Place the electrode directly into the 1ppm CuSO<sub>4</sub> solution for analysis | ||
# Let the solution and electrode equilibrate for a set period of time (between 2-5 minutes) and then press measure | # Let the solution and electrode equilibrate for a set period of time (between 2-5 minutes) and then press measure | ||
# Once the measurement is finalized, record the value observed | # Once the measurement is finalized, record the value observed | ||
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==DSC Sample Preparation== | ==DSC Sample Preparation== | ||
RECALL DSC PROCEDURES FROM 9/17/12 | '''RECALL DSC PROCEDURES FROM 9/17/12''' | ||
{| {{table}} | {| {{table}} |
Revision as of 01:54, 24 November 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 Standard Dilutions & CalculationsNa2SO4 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 CuSO4 Dilution Standards 12mL 1 ppm CuSO4 requires: (20ppm CuSO4)V1 = (1ppm CuSO4)(12mL) V1 = 0.6mL 12mL 2 ppm CuSO4 requires: (20ppm CuSO4)V1 = (2ppm CuSO4)(12mL) V1 = 1.2mL 12mL 5 ppm CuSO4 requires: (20ppm CuSO4)V1 = (5ppm CuSO4)(12mL) V1 = 3mL 12mL 10 ppm CuSO4 requires: (20ppm CuSO4)V1 = (10ppm CuSO4)(12mL) V1 = 6mL 12mL 15 ppm CuSO4 requires: (20ppm CuSO4)V1 = (15ppm CuSO4)(12mL) V1 = 9mL Ion Selective Electrode Sample Preparations & ResultsBefore collecting sample measurements from the ion selective electrode instrument:
DSC Sample PreparationRECALL DSC PROCEDURES FROM 9/17/12
Notes
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