           
Furrow Pump, Inc.
P.O.
Box 1849
8525 SW
St. Helens Dr.
Wilsonville,
OR 97070
Phone:
(800) 937-3666
FAX:
(800) 377-9960
www.furrowpump.com
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| FLUORIDATION |
| CHEMICAL CHOICE |
| The three common fluoridation chemicals are
sodium silicofluoride, sodium fluoride and hydrofluosilicic acid. This deals with
the solution feed systems, utilizing the latter two of these chemicals. |
| Chemical |
Properties |
Typical
Comm. Strength |
Fluoride
Ion Content |
Sodium Fluoride
(NaF) |
white, odorless,
powder / crystals |
90-98% |
44% |
Hydrofluosilicic
Acid (H2SiF6) |
clear to yellow
liquid, pungent odor, skin irritant |
30%
25%
22% |
23.7%
19.8%
17.45% |
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| The optimum concentration of
fluoride in a public water supply has been set at approximately one part per million (1
ppm) according to the U.S. Department of Heath and Human Services, Center for Disease
Control 1982 Fluoridation Handbook. Levels may vary. Be sure to check with local
heath authorities when designing you fluoridation system. |
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