User:Samiye Yaman/Notebook/Lab 581/2012/10/17: Difference between revisions

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==Data==
==Data==
* Add data and results here...
 
'''ISE results for sodium sulfate dilutions'''
 
*Dilution 1(1.25ppm)= -180mV
 
*Dilution 2(2.5ppm)=  -182.6mV
 
*Dilution 3(5ppm)  = -182.4mV
 
*Dilution 4(10ppm )= -177.4mV
 
*Dilution 5(20ppm)= -174.6mV


==Notes==
==Notes==

Revision as of 20:14, 30 October 2012

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Objective

Description

Part 1 (ISE)

  • 0.1 ml of Sodium Ionic Strength Adjuster and 3 ml of each Sodium Sulfate solution was mixed in separate test tubes.
  • Channel 1 of the Orien Versa Star was used.
  • Before each measurement 30 sec was wait.


Part 2 Preparation of Porphyrin dilutions

  • Dilution 1: 1 ml of stock solution and 9 ml of HPLC water (concentration is 100 micM)
  • Dilution 2: 5 ml of dilution 1 and 5 ml of HPLC water (concentration is 50 micM)
  • Dilution 3: 5 ml of dilution 2 and 5 ml of HPLC water (concentration is 25 micM)
  • Dilution 4: 5 ml of dilution 3 and 5 ml of HPLC water (concentration is 12.5 micM)
  • Dilution 5: 5 ml of dilution 4 and 5 ml of HPLC water (concentration is 6.25 micM)

Data

ISE results for sodium sulfate dilutions

  • Dilution 1(1.25ppm)= -180mV
  • Dilution 2(2.5ppm)= -182.6mV
  • Dilution 3(5ppm) = -182.4mV
  • Dilution 4(10ppm )= -177.4mV
  • Dilution 5(20ppm)= -174.6mV

Notes

This area is for any observations or conclusions that you would like to note.


Use categories like tags. Change the "Course" category to the one corresponding to your course. The "Miscellaneous" tag can be used for particular experiments, as instructed by your professor. Please be sure to change or delete this tag as required so that the categories remain well organized.



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