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Dye Stock Solution

A dye stock solution is a solution of dye powder dissolved in water. Working with dye stock solutions is safer, more accurate and more convenient than working with dye powders. The amount of dye powder dissolved in a specific volume of water determines the strength of the solution, expressed as a percentage by weight of dye powder to the total weight of the dye stock solution. Using the metric system, 1 milliliter (ml) of water weighs 1 gram, so a 1.0% dye stock solution contains 1 gram of dye for every 100 grams of solution or 1 gram of dye for every 99 ml of water. A 0.1% dye stock solution contains 0.1 grams of dye for every 100 grams of solution or 0.1 grams of dye for every 99.9 ml of water.

If you need to make a dye stock solution weaker than 1.0%, start by making a 1.0% solution and then dilute it until you reach the desired strength.

  • To make a 0.1% dye solution, add 10 ml of 1.0% dye stock solution for every 90 ml of water.
  • To make a 0.01% dye solution, add 10 ml of 0.1% dye solution for every 90 ml of water.

If you need to dilute your dye stock solutions for solid shade immersion dyeing of small samples, use Acid Bath Solution instead of water to make your dilutions.

To get instructions for mixing your dye stock solutions, select a dye type, a dye and enter the strength and volume of the dye stock solution you want to make. Click on the Submit button to display the instructions and a label for your dye stock solution container.