All I want for Christmas is… Coins?
One of the most beloved Christmas desserts has long been the Christmas pudding. A dense, brandy and fruit-laden cake, whose origins date back to 14th century England. In the earliest versions of the pudding, a dried pea would be baked into the cake, a treasure that would supposedly bring good luck to whomever found it […]
Understanding the chemistry of coins and its implication for conservation
This presentation has been adapted for online reading and learning. It was originally presented at the Histories of Metallurgy and Metal Material Culture symposium at ANU in November 2022. All items are copyright of Portable Spectral Services. View the Presentation This is the on screen progress of the elemental map forming while scanning Roman Era […]
GERDA in Action
Geochemical Research and Documentation Assistant – is an automated table sampler for portable and handheld analytical instruments such as pXRF. Portable Spectral Services has now acquired a GERDA, watch the video below to see it in action! Automated scanning of pulped samples River sediments Drill core AND MORE! https://www.youtube.com/watch?v=2ofz4F_ZRLo Recent Posts
Get Energized | Lithium-Ion Batteries and XRF
In the field, lithium-ion batteries are what fuel an XRF. If a team is travelling to a location that is far from available electrical sockets, the days output becomes dependent on the charge of the XRF battery. A low battery can result in a day of low productivity. Here are five tips on how to […]