Cochineal: Whole dried scale insects of the species Dactylopius coccus; formerly called Coccus cacti; this is a cultivated variety with a very high carminic acid dye content.

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Mordants and Assistants

• Potassium Alum (the standard alum mordant: potassium aluminum sulfate:
• Aluminum Acetate
• Calcium Carbonate
• Calcium Hydroxide (AKA hydrated or slaked lime)
• Citric Acid
• Copper Sulfate
• Cream of Tartar (Potassium bitartrate)
• Ferrous Sulfate (the standard iron mordant)
• Soda Ash (Anhydrous sodium carbonate)
• Sodium Sulfate, Anhydrous:
• Spectralite® (a brand name for thiourea dioxide):
• Tara Powder:
• Tartaric Acid:
• Tin (Stannous Chloride):
• Zinc Dust:

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