- Functions:Dye
- Chemical Family:Rhodamines
- Applicable Processes:Visual Detection, Water Tracing, Leak Detection
- Features:Good Light Fastness
Bright Dyes® FWT Red 50 Liquid is specially formulated versions of Rhodamine WT dye for convenient use in water tracing and leak detection studies. This bright, fluorescent red dye is certified by NSF International to ANSI/NSF Standard 60 for use in drinking water. It may be detected visually, by ultraviolet light and by appropriate fluoremetric equipment. Today it is most often used visually. Visually the dye appears bright pink to red, depending on its concentration and under ultraviolet light as bright orange.