Picric Acid

¶ Picric Acid. A yellow crystalline compound. It is used considerably in dyeing textiles, etc. Diluted with water it produces yellow stains on woods. A wash of picric acid on oak followed by nigrosine J makes an early English or olive black color tone stain. The acid acts as a mordant, fixing the color and making the stain penetrate more deeply.

Next Page: Muriatic or Hydrochloric Acid.

	¶ Picric Acid. A yellow crystalline compound. It is used considerably in dyeing textiles, etc. Diluted with water it produces yellow stains on woods. A wash of picric acid on oak followed by nigrosine J makes an early English or olive black color tone stain. The acid acts as a mordant, fixing the color and making the stain penetrate more deeply. Next Page: Muriatic or Hydrochloric Acid.
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