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TECHNICAL
DATA FLT ORANGE
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Bright Dyes FLT Orange
products are specially formulated versions of Xanthene
dye for convenient use in water tracing and leak detection
studies. This fluorescent orange 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 orange
to red-orange, depending on its concentration and under
ultraviolet light as bright yellow.
The dye is resistant to absorption on most suspended matter
in fresh and salt water. However, compared to Bright Dyes
FLT Yellow/Green products it is slightly more resistant to
degradation by sunlight but less resistant than our FWT Red
products. As always the suitability of these products for
any specific application should be evaluated by a qualified
hydrologist or other industry professional.
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General
Properties
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Tablets
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Liquids
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Powders
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Detectability
of active ingredient 1
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Visual
<100 ppb
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Visual
<100 ppb
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Visual
<100 ppb
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Maximum
absorbance wavelength 2
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515/535 nm
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515/535 nm
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515/535 nm
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Appearance
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Brick red convex
1.6cm diameter
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Reddish-Orange
aqueous solution
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Brick red fine
powder
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NSF,
max use levels in potable water
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0.3 ppb
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0.8
ppb
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0.1
ppb
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Weight
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1.35
gms + 0.05
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n/a
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n/a
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Dissolution
Time 3
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50%
< 3 minutes
95%
< 6 minutes
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n/a
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50%
< 3 minutes
95%
< 6 minutes
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Specific
Gravity
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n/a
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1.05 ± 0.05 @
25∞ C
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n/a
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Viscosity
4
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n/a
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1.8
cps
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n/a
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pH
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7.5 ± 0.5
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8.0 ± 0.5 @ 25∞ C
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7.5 ± 0.5
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Coverage
of Products
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One
Tablet
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One
Pint Liquid
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One
Pound Powder
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Light
Visual (100 ppb)
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350
gallons
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40,000
gallons
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604,000
gallons
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Strong
Visual (1 ppm)
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35
gallons
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4,000
gallons
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60,400
gallons
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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.
To our best knowledge the information and recommendations
contained herein are accurate and reliable. However, this
information and our recommendations are furnished without
warranty, representation, inducement, or license of any kind,
including, but not limited to the implied warranties and
fitness for a particular use or purpose. Customers are encouraged
to conduct their own tests and to read the material safety
data sheet carefully before using.
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