Pepsin, (1:3000) powder, 25 g

Luminol powder is an essential component to any crime scene. This 1 gram quantity is plenty to make a luminol solution for forensic blood detection experiments. Find the luminol formula, how to make it glow, and more below!

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All the food in the world is of no use if the human body can't extract necessary nutrients from it.

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30 g bottle of 150 mesh copper powder. Find the copper powder density, formula, and more below!

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Zinc powder, or zinc metal, is a chemical element with the symbol Zn and an atomic number of 30. This 15 g bottle of zinc powder is small in size for home experiments. Find the zinc powder formula, density & more below!

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This compact digital platform scale provides great versatility at a very economical price.

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