Re: What is the proper term for chemicals used to color wood via chemical reaction

One word that would apply to sodium hydroxide and nitric acid when in
contact with organic materials is that they act as 'denaturants.'
They alter the structure of proteins, a process called denaturation.
A drop of nitric acid will produce yellowish brown stains on skin.

As to the other chemicals, I don't know if the same thing applies. I
seem to remember potassium dichromate had a strong orange color, but I
think you're looking for effects produced through a chemical
reactions.

.

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