Fluorescent Red FWT Dye
Bright Dyes FWT Red products are 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 fluorometric 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.
Fluorescent Red Rhodamine WT Dye
The dye is resistant to absorption on most suspended mater in fresh and salt water.
Compared to Bright Dyes FLT Yellow/Green products it is significantly more resistant to degradation by sunlight and when used in fluorometry, stands out much more clearly against background fluorescence. As always the use and suitability of these products for any specific application should be evaluated by a qualified hydrologist or other industry professional.
General Properties Powders
Detectability of active ingredient 1 Visual< 100 ppbMaximum absorbance wavelength 2 550/588 nm
Appearance Dark red fine powder
NSF, max use levels in potable water 0.1 ppb
Weight n/a
Dissolution Time 3 50%< 3 minutes 95%< 6 minutesSpecific Gravity n/a
Viscosity 4 n/a
pH n/a
Coverage of Products One Pound Powder
Light Visual (100 ppb) 604,000 gallons
Strong Visual (1 ppm) 60,400 gallons
Caution: These products may cause irritation and/or staining if allowed to come in contact wit the skin. The use of gloves and goggles is recommended when handling this product, as with any other dye or chemical.
Customers are encouraged to conduct their own tests and to read the material safety data sheet carefully before using.
Ordering Information
Fluorescent Red
BD101103 Tablets 200 (1 lbs)
BD105403 Powder (1 lbs)
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