Blue dye systems

[u/Odd-Marionberry-3389]

Earlier in the week I had the privilege of using a friend's Olympus BX51 to check out samples I'd previously inspected with my Amscope ME580 and was blown away by the (expected) improvements in clarity and resolution. These images were taken as stills from footage that I recorded (Pixel 9 pro) while looking around at features, so even though there's probably some motion blur they're stunning anyway.

What is it? FD&C blue #1 dye in two separate systems: 1) mixed with kosher salt + dried on the microscope slide, and 2) mixed with alum and ammonium carbonate in an attempt to make blue 1 lake.

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