Tie dye Thursday

This morning I created new calibrations that included 0- 2.5 ppm Na to see if there are any effects due to sodium in the cobalt- only samples. I then diluted another set of sample solutions to run. This afternoon, I attempted to run the samples with the new calibration solutions but the sodium was very very off. I used a new stock solution of Na to make the solutions so tomorrow I am going to use the old and see if that fixes the problem. If not, I might have to scrap the new calibrations and simply use the old without sodium. The rest of the afternoon, the physics department tie dyed behind the science center.