gum bichromate

  1. Aimee Danger

    Gum bichromate, how toxic?

    I’m a semi-beginning gum bichromate printer with a small, windowless studio. I was just laying on a layer of gum emulsion that is 1:2 pigment/arabic: potassium bichromate solution (10%) and I’m wondering whether I need more ventilation. How toxic is the pre-mixed 10% solution? The only MSDS I...
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