Griffin Dyeworks & Fiber Arts

Understanding Mordants and Modifiers



Description: Bright golden yellow crystals introduced as dye mordant and color brightener in 1839
Other Names: Potassium dichromate, potassium bichromate
Dye Use: Brightening mordant, oxidizer, used in commercial textile printing
Best On: Cellulose fibers
Dye Recipe: Not suggested for natural dyeing in our opinion—others differ
Safety: Corrosive poison, Ingestion is fatal within 35 minutes; small amounts entering the body can permanently affect the nervous system but symptoms may not show for years.
Disposal: Hazardous materials disposal unit—do not dispose of chrome down toilet or sink
Alternative: None known
Source: Chemical supply house

CODES: c = cup; gal = gallon; lb = pound (weight); tbsp = Tablespoon; tsp = teaspoon / [AF] Anglo-French; [Ar] Arabic; [AS] Anglo-Saxon; [Dan] Danish; [Du] Dutch; [Fr] French; [Ger] German; [Gk] Greek; [It] Italian; [L] Classical Latin; [LL] Late Latin; [ME] Middle English; [ML] Modern Latin; [OE] Old English; [OF] Old French; [ON] Old Norse; [OS] Old Saxon; [Port] Portuguese; [Sp] Spanish; [Sw] Swedish / CE = Common Era; BCE = Before Common Era

left arrow Back to Understanding Mordants and Modifiers | left arrow Previous: Chlorine Bleach | Next: Citric Acid right arrow