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TECHNICAL
DATA
FLT
ORANGE
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Bright
Dyes FLT
Orange Dye
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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Dye Tablets
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Dye Liquids
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Dye 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
Dye
Tablet
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One
Pint
Dye
Liquid
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One
Pound
Dye
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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