User:Moira M. Esson/Notebook/CHEM-581/2012/10/10

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Objectives

  1. Prepare samples for DSC
  2. Run clay exchange described on 2012/9/26 using Fe3O4
  3. Rerun AA for CuSO4 solutions

DSC

  • Samples were prepared following the general protocol for DSC preparation
Cu ' ' ' '
Action Sample ID True Value (ppm) Conc. (ppm) Abs.
AUTOZERO
STD STD 1 1 0.0054
STD STD 2 5 0.0118
STD STD 3 10 0.6531
STD STD 4 20 1.0516
STD STD 5 25 1.1173
STD STD 6 30 1.1773
STD STD 7 40 1.2726
STD STD 8 50 1.3179
UNK1 7.4ppm NaMT 1min 7.5551 0.3993
UNK2 10ppm NaMT 1 min 10.9678 0.4959
UNK3 7.4ppm NaMT 5 min 7.0393 0.3847
UNK4 10ppm NaMT 5 min 10.6639 0.4873
UNK5 7.4ppm NaMt 10 min 4.2696 0.3063
UNK6 10ppm NaMT 10min 7.2478 0.3906
UNK7 7.4ppm Fe3O4 1min 46.4402 1.5
UNK8 10ppm Fe3O4 1 min 44.9883 1.4589
UNK9 7.4ppm Fe3O4 5min 39.7598 1.3109
UNK10 10ppm Fe3O4 5min 43.9567 1.4297
UNK11 7.4ppm Fe3O4 10min 39.841 1.3132
UNK12 10ppm Fe3O4 10min 39.9647 1.3167
UNK13 7.4ppm CEC100% 1min 11.1939 0.5023
UNK14 10ppmCEC100% 1min 16.5283 0.6533
UNK15 7.4ppm CEC100% 5min 9.5123 0.4547
UNK16 10ppm CEC100% 5min 15.4473 0.6227
UNK17 7.4ppm CEC100% 10min 8.4171 0.4237
UNK18 10ppm CEC100% 10min 15.7794 0.6321
UNK19 7.4ppm CEC 50% 1min 10.5191 0.4832
UNK20 10ppm CEC 50% 1min 14.7443 0.6028
UNK21 7.4ppm CEC 50% 5min 9.802 0.4629
UNK22 10ppm CEC 50% 5min 15.3449 0.6198
UNK23 7.4ppm CEC 50% 10min 10.4449 0.4811
UNK24 10ppm CEC 50% 10min 15.0057 0.6102