Small stackable plastic boxes!
Link to LaTeX template
Link to how-to video
(check description for procedures)
Make holes in a piece of plastic!
Make new for every batch?
Keep them in water and re-use!
Aluminium (27Al) in aliquots by ICP-OES
Measure [Al] & [Be] simultaneously!
Dissolving samples for 36Cl
Use chromatography columns as droppers!
Loosing your Cl carrier?
Link to Cl spike simulator
Actually, after some discussions with John Stone and others in 2021, the evaporation of Cl during dissolution of carbonates seems to be negligible and cannot be detected on the measured 35Cl-36Cl-37Cl ratios of duplicates spiked before and after dissolution.
Do you know more cosmo-lab-hacks?
Send them to