How to Check the Color of Turpentine From a Crop

Turpentine is a traditional solvent with many applications in arts and woodworking. The substance usually is extracted from the flowing sap — also known as the gum or crop — of pine trees. It mixes cleanly with resins and other oils to produce common varnish in varying shades and colors. Spirits of turpentine also can be used in its pure form in some varnishing methods. Pine wood generally gives turpentine a dark yellow to brown color, but production with other crops can create color variations.

Instructions

- 1
  Use crop from a gamboge tree, native to Asian countries, to produce a lighter shade of yellow in turpentine. Turpentine is extracted by vigorously shaking sap with alcohol in a 1-to-10 ratio, letting the mixture rest in a warm location, then filtering through cloth after a period of 10 days.
- 2
  Obtain bright red sap from a dragon's blood tree, which is native to the Middle East. Using crop of the dragon's blood will produce a dark brown turpentine with a reddish tint.
- 3
  Use crop from any tree, halve the amount of alcohol in the solution and include small chunks of asphalt in production. After filtering, the final solution will be a rich, dark brown.

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