User:Jerinbrooks/Notebook/JB:481:18/2018/11/16

From OpenWetWare
< User:Jerinbrooks‎ | Notebook‎ | JB:481:18‎ | 2018‎ | 11
Jump to navigationJump to search
BDLlogo notext lr.png 481 Experimental Chemistry Report.pngMain project page
Resultset previous.pngPrevious entry      Next entryResultset next.png



Objective

Make metal adsorption solutions and measure previous dye uptake

Lab Protocol

    • stock solutions

Pb(C2H3O2)

  • 50 g x (25 micro g Pb/ 1 g total) x ( 1 g Pb/ 1E6 micro g Pb) x ( 379.33 g Pb(C2H3O2)/ 207.2 g Pb) = 0.0022884 g
  • 250 ppm needs 22.88 mg Pb(C2H3O2)
  • actual amount used 0.02336 g of Pb(C2H3O2), actual concentration 254.007 ppm

HgCl2

  • 50 g x (250 micro g Hg/ 1 g total) x (1 g Hg/ 1E6 micro g Hg) x (271.5 g HgCl2/200.59 g Hg) = 0.01692 g
  • for 250 ppm needs 16.92 mg HgCl2
  • actual amount used 0.02243 g of HgCl2, actual concentration 330.97 ppm
    • Actual concentration

Pb(C2H3O2)

  • 10 ppm: needed 0.58824 g of 254.997 ppm, actual 0.58464 g, total solution 15.12195 g, actual concentration 9.86 ppm
  • 2.5 ppm: needed 0.14706 g of 254.997 ppm, actual 0.15422 g, total solution 15.14469 g, actual concentration 2.62 ppm
  • 5 ppm: needed 0.29412 g of 254.997 ppm, actual 0.28236 g, total solution 15.00823 g, actual concentration 4.8 ppm
  • 1 ppm: needed 0.05882 g of 254.997 ppm, actual 0.06576 g, total solution 15.05469 g, actual concentration 1.11 pm
  • 0.5 ppm: needed 0.02941 g of 254.997 ppm, actual 0.029893 g, total solution 15.15546 g, actual concentration 0.49 ppm

HgCl2

  • 10 ppm: needed 0.45321 g of 330.97 ppm, actual 0.46613 g, total solution 15.07932 g, actual concentration 10.23 ppm
  • 5 ppm: needed 0.22661 g of 330.97 ppm, actual 0.24053 g, total solution 15.09025 g, actual concentration 5.28 ppm
  • 2.5 ppm: needed 0.1153 g of 330.97 ppm, actual 0.12266 g, total solution 15.17696 g, actual concentration 2.67 ppm
  • 1 ppm: needed 0.04532 g of 330.97 ppm, actual 0.05150 g, total solution 15.06119 g, actual concentration 1.13 ppm
  • 0.5 ppm: needed 0.02266 g of 330.97 ppm, actual 0.02926 g, total solution 15.00501 g, actual concentration 0.65 ppm