Cation Columns 50W-X8 copy (1)

Rock Saw Rules Prior to Using the Saw Fill the bucket holding the saw motor with water prior to turning the saw on. Make sure to fill as needed during use Make sure both tubes are connected from the pump … Read more

Whole Rock Dissolution             For all of the isotopic studies done in this lab, the chemistry relies on separation of individual anions and cations based on elemental behavior. This is done in order to most purely analyze the isotopes of … Read more

Sr Chromatography Chemistry Sr Sample prep/Dissolution Supplies needed: Scale, weigh paper, dropper bottle of 3.5M HNO3, Savillex beaker, and a scope. Place weigh paper on to the scale, after the scale has settled hit the tare button. Once you have … Read more

Pb Chemistry Overview             The purpose of this document is a quick primer in Pb chemistry, to briefly describe why certain stages are done and to warn about the potential pitfalls and mistakes that can be made along the way. … Read more

Nd Chemistry Overview             The purpose of this document is a quick primer in Nd chemistry, to briefly describe why certain stages are done and to warn about the potential pitfalls and mistakes that can be made along the way. … Read more

Whole Rock Nd Isotope Loading Generate a parafilm dam on the filament. Add 10 uL of 2N HNO3 acid to the sample beaker, making sure the acid is applied directly to the bead of H3PO4 remaining after sample dry down. … Read more

Strip Filaments Using gloves to handle filaments, carry dirty posts in the appropriate transfer container in Room 306 back to Room 312 Using tweezers, remove as completely as possible all ribbon from each dirty post, and place the dirty ribbon in … Read more

Have you cleaned all materials off of the main counter? Have you made sure you’ve left no samples in this lab? Are the breakers switched off for all of the lab equipment? Did you clean the lab equipment you used … Read more

Preparing solution for stage 2 columns (LN Spec resin with “cap” of anion resin to hold LN Spec in place): Take solution from stage 1 (0.05 HNO3) and evaporate to dry. When cool, add 100 μL 6M HCl let sit … Read more