Dr. Steph Walker

@stephwalker.bsky.social

363 Followers 226 Following

Isotope Geochemist. Voracious reader. TIMS tinkerer and garnet aficionado. She/her. 🚲

Graph of neodymium isotope values from my new MC-ICPMS. Pretty scattered values compared to very stable TIMS analyses.
A faraday “bucket” collector being held in a blue gloved hand with tin foil in the background.
Lit plasma on a Sapphire mass spectrometer glimpsed through the torch box window.
Two computer screens showing a program that runs a Thermal Ionisation Mass Spectrometer
A single column in a clear rack. The lab space is white and there are reagent bottles around.
A thermal ionisation mass spectrometer covered in reflective covers as it ‘bakes’ to improve the vacuum.
Outputs from a TIMS showing 100V on the High2 collector