Making a photosensitive powder
I'm wondering if anyone here has any experience using Gaffer Glass's photosensitive ruby rods.
Seen here: http://www.gafferglassusa.com/index.php?route=product/product&product_id=100
My question is about crushing the rod.
In this thesis on photosensitive ruby https://espace.curtin.edu.au/handle/20.500.11937/1840 they crush the rod into pate de verre and into powder as well.
The thing is, nowhere is it mentioned in the thesis what type of machine they use to crush th
I'm old enough to have made potassium dichromate based indoor fireworks, but that was another time.
Maybe @blackthorn can suggest safer/greener sensitisers/processes. These are just a couple of google hits.
Gum Diazo Printing v1.4 https://www.alternativephotography.com/gum-diazo-printing-v1-4/
The present paper aims to be a reference guide to anyone in the EU willing to go on printing with pigmented gum while being fully compliant with the actual safety regulations regarding chemi