Isotope Geochemistry Lab

Beakers:

M: Sarah M
T: Katie M
W: Daven
R:Katie M/Kelsey
F: Arden/Katie H

Zircon lab beakers: Miquela

Filaments:
Miquela/Kelsey
Sean
Katie M-backup

Swiffering:
M/T: Sean
R/F: Sarah M

317/Ordering/Waste disposal: Courtney
312: Josh
Rock crushing lab: Sean

1. take Petri dish from picking lab to Z lab
2. select one hex cap sav. HCS(av) per sample
   1. use HCSav etched with # 1 – 8 from hot plate
3. discard HF/HNO₃ from within HCSav
4. rinse HCSav and HCSav lid with (H₂O)_mQ
5. repeat step 4
6. under microscope inspect WSav to insure it is clean
7. in ethanol, transfer Zs into HCSav using transfer pipette
8. pipette off ethanol
9. add 10 drops (H₂O)_mQ to HCSav
10. pipette off (H₂O)_mQ
11. repeat steps 9 and 10
12. add 20 drops (HF)_z and 2 drops (HNO₃)_z
13. loosely put lid on HCSav
14. add 3 – 6 ml (HF)_g to large Teflon insert
    1. add 1 – 2 ml (HF)_g to small Teflon insert
15. add 1 drop (HNO₃)_z for every ml of HF
16. place HCS(av) into insert
    1. use blue forceps
    2. grasp HCSav by lid
    3. lower into insert
    4. stagger HCSavs so that each lid rests on the other
17. place insert in metal jacket and put in 220°C oven for ~16 hours
    1. do NOT leave for longer than intended