lead ii,iv oxide, potassium chromate and organic curcuma powder in chemical watch glass placed next to the stainless spatula.

lead ii,iv oxide, potassium chromate and organic curcuma powder in chemical watch glass placed next to the stainless spatula.

  • JPG 300 DPI

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  • Author: dreamstime
  • License:buy for Personal Use & Commercial
  • File Type: JPG
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