calibration_data_2008 - ENV 6002 Calibration data for...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
ENV 6002 Calibration data for UV/visible absorbance of: trichloroethene (TCE) Absorbance measured at: 230 nm Concentration of stock solution (approximate): 870 mg/L Group Vol. of stock Diluted into Calculated Measured Notes number solution used final volume concentration absorbance (mL) (mL) (mg/L) ===== ===== ===== ===== ===== ===== 4 (1st try) 0.200 8.00 0.03 4 (2nd try) 0.500 20.00 0.020 4 (1st try) 0.200 4.00 0.05 4 (2nd try) 0.500 10.00 0.11 5 1.000 10.00 0.32 5 1.500 10.00 0.45 5 2.000 10.00 0.64 6 (1st try) 4.000 12.00 0.73 6 (2nd try) 5.000 10.00 0.74 A 6 (1st try) 4.000 12.00 1.44 6 (2nd try) 5.000 10.00 1.12 A Cunningham full strength, bottle #1 870 2.79 Cunningham full strength, bottle #2 870 2.76 NOTES: A Group 6 made their samples and measured the absorbance. Those values are listed as "1st try." However, they were not certain about their measurements, so later they took some of the same samples (i.e., they did not mix up a new dilution) and they measured the absorbance again. The second readings are labeled as "2nd try."
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ENV 6002 Calibration data for UV/visible absorbance of: acetophenone Absorbance measured at: 246 nm Concentration of stock solution (approximate): 1000 mg/L Group Vol. of stock Diluted into Calculated Measured Notes number solution used final volume concentration absorbance (mL) (mL) (mg/L) ===== ===== ===== ===== ===== ===== 1 see note A 0.12 A 1 see note B 0.55 B 1 0.100 10.0 0.94 2 1.000 100.0 1.18 2 1.500 100.0 1.6 3 2.000 100.0 1.843 3 2.500 100.0 2.26 3 3.000 100.0 2.53 NOTES: A Group 1 made a 1% solution by diluting 0.1 mL into 10 mL. Then, they took 1 mL of that solution and diluted it again into 10 mL. The measured absorbance of the final solution was 0.116. B Group 1 made a 5% solution by diluting 0.5 mL into 10 mL. Then, they took 1 mL of that solution and diluted it again into 10 mL. The measured absorbance of the final solution was 0.554....
View Full Document

This note was uploaded on 06/12/2011 for the course ENV 6002 taught by Professor Staff during the Fall '08 term at University of South Florida - Tampa.

Page1 / 2

calibration_data_2008 - ENV 6002 Calibration data for...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online