Can fluoridation affect lead(II) in potable water? hexafluorosilicate and fluoride equilibria in aqueous solution

References

• Masters , R. D. and Copian , M. “Brain Biochemistry and the Violence Epidemic: Toward a ‘Win‐Win’ Strategy for Reducing Crime” . In Global Legal Policy , Edited by: Nagel , S. New York : St. Martin's Press . (in press)
   Google Scholar
• Masters , R. D. and Copian , M. 1999 . “Water Treatment with Silicofluorides and Lead Toxicity” . Intern. J. Environmental Studies , 56 : 56 – 435 .
   Google Scholar
• Crime . 1998 . Times: Research Reviews and Information on Biological Causes of Criminal, Violent, and Psychopathic Behavior , 4 (4) : 1 – 2 .
   Google Scholar
• US Department of Health and Human Services, US Public Health Service, Centers for Disease Control and Prevention . July 1993 . Water Fluoridation Census 1992 July ,
   Google Scholar
• US Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention . September 1986 . Water Fluoridation: A Manual for Engineers and Technicians. September ,
   Google Scholar
• August 1993 . Water Fluoridation: A Manual for Water Plant Operators. August ,
   Google Scholar
• Baes , C. F. Jr. and Mesmer , R. E. 1976 . The Hydrolysis of Cations. , Malabar, Fla. : Krieger Publishing Co. . Ch. 15
   Google Scholar
• Busey , R. H. and Mesmer , R. E. 1977 . “Ionization Equilibria of Silicic Acid and Polysilicate Formation in Aqueous Sodium Chloride Solutions” . Inorg. Chem. , 16 (10) : 2444 – 2450 .
   Web of Science ®Google Scholar
• Busey , R. H. , Schwartz , E. and Mesmer , R. E. 1980 . “Fluorosilicate Equilibria in Sodium Chloride Solutions from 0 to 60°C” . Inorg. Chem. , 19 (3) : 758 – 761 .
   Web of Science ®Google Scholar
• Ciavatta , L. , Iulianno , M. and Porto , R. 1988 . “Fluorosilicate Equilibria in Acid Solutions” . Polyhedron , 7 (18) : 1773 – 1779 .
   Web of Science ®Google Scholar
• Korobitsyn , A. S. , Bogachov , G. N. and Rize , D. F. 1972 . “Influence of Temperature on the Rate of Decomposition of Crystalline Sodium Fluosilicate by Sodium Carbonate Solutions” . J. Appl. Chem. (USSR) , 45 (4) : 736 – 740 .
   Google Scholar
• 1972 . Zh. Prikl. Khim. , 45 (4) : 722 – 726 . Translated from
   Google Scholar
• Connick , R. E. and Poulson , R. E. 1959 . “19F Nuclear Magnetic Resonance of Various Metal‐Fluoride Complexes in Aqueous Solution” . J. Phys. Chem. , 63 : 63 – 568 .
   Web of Science ®Google Scholar
• Mutterties , E. L. and Phillips , W. D. 1959 . “Structure and Exchange Processes in Some Inorganic Fluorides by Nuclear Magnetic Resonance” . J. Am. Chem. Soc. , 81 : 81 – 1084 .
   Web of Science ®Google Scholar
• Kucheryaev , A. G. , Lebedev , V. A. and Ovchinnikov , I. M. 1970 . “Stability of the Silicon Hexafluoroanion in Hydrofluoric Acid, from 19F NMR Data” . J. Struct. Chem. , 11 (5) : 858 – 859 . (USSR)
   Google Scholar
• 1970 . Zh. Strukt. Khim. , 11 (5) : 925 – 926 . Translated from
   Google Scholar
• Borodin , P. M. and Zao , N. K. 1971 . “Equilibria in the Li2SiF6‐HCIO4‐H2O System by the 19F Nuclear Magnetic Resonance Method” . Russ. J. Inorg. Chem. , 16 (12) : 1720 – 1722 .
   Google Scholar
• Borodin , P. M. and Zao , N. K. 1972 . “Study of Mobile Equilibria in the HF‐SiO2‐H2O System by the 19F NMR Method” . Russ. J. Inorg. Chem. , 17 (7) : 959 – 962 .
   Google Scholar
• Borodin , P. M. , Zao , N. K. and Petrov , N. S. 1973 . “Stability of the Hexafluorosilicate Ion in Aqueous Solutions of Fluorosilicic Acid System, from 19F NMR Data” . J. Struct. Chem. , 14 (4) : 564 – 568 . (USSR)
   Google Scholar
• 1973 . Zh. Strukt. Khim. , 14 (4) : 605 – 610 . Translated from
   Google Scholar
• 1995 . Gmelin Handbook of Inorganic Chemistry, Silicon , 8th edn. , Vol. B8 , New York : Springer‐Verlag . “H2SiF6” Supplement
   Google Scholar
• Smith , R. M. and Martell , A. E. 1976 . Critical Stability Constants: Inorganic Complexes. , Vol. 4 , 96 – 103 . New York : Plenum Press .
   Google Scholar
• Crosby , N. T. 1969 . “Equilibria of Fluorosilicate Solutions with Special Reference to the Fluoridation of Public Water Supplies” . J. Appl. Chem. , 19 : 19 – 100 . See also references therein
   Google Scholar
• Krylov , V. N. , Komarov , E. V. and Pushlenkov , M. F. 1971 . “Stability of the SiF62‐ Ion in Aqueous Solutions in the Presence of Ions of Various Valence” . Sov. Radiochem. , 13 (3) : 445 – 449 .
   Google Scholar
• 1971 . Radiokhim , 13 (3) : 430 – 434 . Translated from
   Google Scholar
• Worthington , K. K. and Haring , M. M. 1931 . “Methods for Determining the Solubilties of Some Fluosilicates” . Ind. and Eng. Chem. , 3 (1) : 7 – 9 .
   Google Scholar
• Hudleston , L. J. and Bassett , H. 1921 . “Equilibria of Hydrofluosilicic Acid” . J. Chem. Soc. , 119 : 403 – 416 . (London)
   Google Scholar
• Rees , A. G. and Hudleston , L. J. 1936 . “The Decomposition of the Fluorosilicate Ion in Aqueous and in Aqueous Salt Solutions” . J. Chem. Soc. , 288 : 1334 – 1338 . (London)
   Google Scholar
• Plakhotnik , V. N. 1975 . “Kinetics and Mechanism of the Hydrolysis of Some Acidofluoro‐Complexes in the Presence of Polarizing Cations” . Kinet. Catal. , 16 (6) : 1211 – 1214 .
   Web of Science ®Google Scholar
• 1975 . Kinet. Katal. , 16 (6) : 1395 – 1399 . Translated from
   Google Scholar
• Plakhotnik , V. N. 1973 . “The Catalytic Influence of Li+ on the Alkaline Hydrolysis of the Hexafluorosilicate Anion” . Kinet. Catal. , 14 : 14 – 1417 .
   Google Scholar
• Haque , R. and Cyr , N. 1970 . “Fluorine Magnetic Resonance Studies of Metal‐Hexafluorosilicate Ion‐Pairs in Solution” . Faraday Soc. Trans. , 66 : 66 – 1848 .
   Google Scholar
• Coleman , I. P. L. , Blair , J. A. and Hilburn , M. E. 1982 . “Effects of Dietary and Synthetic Chelating Agents on the Intestinal Absorption of Lead” . Intern. J. Environmental Studies , 18 : 18 – 187 .
   Web of Science ®Google Scholar
• Martell , A. E. and Smith , Robert M. 1982 . Critical Stability Constants , Vol. 5 , 415 – 417 . New York : Plenum Press . First Supplement
   Google Scholar
• Nordstrom , D. K. , Plummer , L. N. , Langmuir , D. , Busenberg , E. , May , H. M. , Jones , B. F. and Parkhurst , D. L. 1990 . “Revised Chemical Equilibrium Data for Major Water‐Mineral Reactions and their Limitations” . In Chemical Modeling of Aqueous Systems II. , ACS Symposium Series 416 Edited by: Bassett , R. L. and Melchior , D. C. Washington, DC : American Chemical Society . Ch. 31.
   Google Scholar
• Pitter , P. 1985 . “Forms of Occurrence of Fluorine in Drinking Water” . Water Res. , 19 (3) : 281 – 284 .
   Web of Science ®Google Scholar
• Schock , M. R. , Wagner , I. and Oliphant , R. J. 1996 . “Corrosion and Solubility of Lead in Drinking Water” . In Internal Corrosion of Water Distribution Systems , 2nd edn , Denver, Colo. : American Water Works Association Research Foundation . Ch. 4
   Google Scholar
• Schock , M. R. 1989 . “Understanding Corrosion Control Strategies for Lead” . J. Am. Water Works Assn. , 81 : 81 – 88 .
   Web of Science ®Google Scholar
• Lin , N.‐H. , Torrents , A. , Davis , A. P. , Zeinali , M. and Taylor , F. A. 1997 . “Lead Corrosion Control from Lead, Copper — Lead Solder, and Brass Coupons in Drinking Water Employing Free and Combined Chlorine” . J. Environ. Sci. Health , A32 (4) : 865 – 884 .
   Web of Science ®Google Scholar
• Lytle , D. A. and Schock , M. R. . “Impact of Stagnation Time on the Dissolution of Metal from Plumbing Materials” . Proc. AWWA Annual Conf. . June 15–19 , Atlanta, Ga.
   Google Scholar
• Schock , M. R. and Gardels , M. C. 1983 . “Plumbosolvency Reduction by High pH and Low Carbonate‐Solubility Relationships” . J. Am. Water Works Assn. , 75 (2) : 87 – 91 .
   Web of Science ®Google Scholar
• Colling , J. H. , Whincup , P. A. E. and Hayes , C. R. 1987 . “The Measurement of Plumbosolvency Propensity to Guide the Control of Lead in Tapwaters” . J. Inst. Water and Environ. Management (J. IWEM) , 1 (3) : 263 – 269 .
   Web of Science ®Google Scholar
• Hulsman , A. D. 1990 . “Paniculate Lead in Water Supplies” . J. IWEM , 4 (1) : 19 – 25 .
   Google Scholar
• Colling , J. H. , Croll , B. T. and Whincup , P. A. E. 1992 . “Plumbosolvency Effects and Control in Hard Waters” . J. IWEM , 6 (3) : 259 – 268 .
   Google Scholar
• Levin , R. , Schock , M. R. and Marcus , A. May 30‐June 1 1989 . “Exposure to Lead in U.S. Drinking Water” . In Twenty‐third Annual Conference on Trace Substances in Environmental Health May 30‐June 1 , Cincinnati, Ohio
   Google Scholar
• Schock , M. R. 1990 . “Causes of Temporal Variability of Lead in Domestic Plumbing Systems” . Environ. Monitoring Assessment , 15 : 15 – 59 .
   Web of Science ®Google Scholar
• Skerfving , S. , Gerhardsson , L. , Schütz , A. and Strömbert , U. 1998 . “Lead‐Biological Monitoring of Exposure and Effects” . J. Trace Elems. Exptl. Med. , 11 (2–3) : 289 – 301 .
   Web of Science ®Google Scholar
• Sargent , J. D. , Brown , M. J. , Freeman , J. L. , Bailey , A. , Goodman , D. and Freeman , D. H. Jr. 1995 . “Childhood Lead Poisoning in Massachusetts Communities: Its Association with Sociodemographic and Housing Characteristics” . Am. J. Public Health , 85 (4) : 528 – 534 .
   PubMed Web of Science ®Google Scholar
• Bailey , A. J. , Sargent , J. D. , Goodman , D. C. , Freeman , J. and Brown , M. J. 1994 . “Poisoned Landscapes: The Epidemiology of Environmental Lead Exposure in Massachusetts Children 1990–1991” . Soc. Sci. Med. , 39 (6) : 757 – 766 .
   PubMed Web of Science ®Google Scholar
• Piomelli , S. 1973 . “A Micromethod for Free Erythrocyte Porphyrins: The FEP Test” . J. Lab. Clin. Med. , 81 (6) : 932 – 940 .
   PubMed Web of Science ®Google Scholar
• McClelland , N. I. , Gregorka , D. A. and Carlton , B. D. 1989 . “The Drinking‐Water Additives Program” . Environ. Sci. Technol. , 23 (1) : 14 – 18 .
   Web of Science ®Google Scholar
• Chenier , P. J. 1992 . Survey of Industrial Chemistry, , 2nd rev. edn. , 50 51 New York : Wiley‐VCH .
   Google Scholar
• Todd , A. C. , Wetmur , J. G. , Moline , J. M. , Godbold , J. H. , Levin , S. M. and Landrigan , P. J. 1996 . “Unraveling the Chronic Toxicity of Lead: An Essential Priority for Environmental Health” . Environ. Health Perspect. , 104 (1) : 141 – 146 .
   PubMed Web of Science ®Google Scholar
• Raab , G. M. , Laxen , D. P. H. and Fulton , M. 1987 . “Lead from Dust and Water as Exposure Sources for Children” . Environ. Geochem. & Health , 9 (3–4) : 80 – 85 .
   PubMed Web of Science ®Google Scholar
• Strehlow , C. D. and Barltrop , D. 1987 . “Temporal Trends in Urban and Rural Blood Lead Concentrations” . Environ. Geochem. & Health , 9 (3–4) : 74 – 79 .
   PubMed Web of Science ®Google Scholar
• Pirkle , J. L. , Kaufmann , R. B. , Brody , D. J. , Hickman , T. , Gunter , E. W. and Paschal , D. C. 1998 . “Exposure of the U.S. Population to Lead, 1991–1994” . Environ. Health. Perspect. , 106 (11)
   PubMed Web of Science ®Google Scholar
• Rabinowitz , M. B. and Bellinger , D. C. 1988 . “Soil Lead‐Blood Lead Relationship Among Boston Children” . Bull. Environ. Contam. Toxicol. , 41 : 41 – 791 .
   Web of Science ®Google Scholar
• Gasser , U. G. , Walker , W. J. , Dahlgren , R. A. , Borch , R. S. and Burau , R. G. 1996 . “Lead Release from Smelter and Mine Waste Impacted Materials Under Simulated Gastric Conditions and Relation to Speciation” . Environ. Sci. Technol. , 30 (3) : 761 – 769 .
   Web of Science ®Google Scholar
• Angle , C. R. and Stelmak , K. L. June 10–12 1975 . “Lead and Iron Deficiency” . In Trace Substances in Environmental Health‐IX. Proceedings of the University of Missouri's 9th Annual Conference on Trace Substances in Environmental Health Edited by: Hemphill , D. D. June 10–12 , 377 – 386 . Columbia, Mo.
   Google Scholar
• Barltrop , D. and Khoo , H. E. June 10–12 1975 . “Nutritional Determinants of Lead Absorption” . In Trace Substances in Environmental Health‐IX. Proceedings of the University of Missouri's 9th Annual Conference on Trace Substances in Environmental Health Edited by: Hemphill , D. D. June 10–12 , 369 – 376 . Columbia, Mo.
   Google Scholar
• Rabinowitz , M. , Wetherill , G. and Kopple , J. June 10–12 1975 . “Absorption, Storage, and Excretion of Lead by Normal Humans” . In Trace Substances in Environmental Health‐IX. Proceedings of the University of Missouri's 9th Annual Conference on Trace Substances in Environmental Health. Edited by: Hemphill , D. D. June 10–12 , 361 – 368 . Columbia, Mo.
   Google Scholar
• Pocock , S. J. , Shaper , A. G. , Walker , M. , Wale , C. J. , Clayton , B. , Delves , T. , Lacey , R. F. , Packham , R. F. and Powell , P. 1983 . “Effects of Tap Water Lead, Water Hardness, Alcohol, and Cigarettes on Blood Lead Concentrations” . J. Epidemiol. & Community Health , 37 : 37 – 1 .
   Web of Science ®Google Scholar
• James , H. M. , Hilburn , M. E. and Blair , J. A. 1985 . “Effects of Meals and Meal Times on Uptake of Lead from the Gastrointestinal Tract in Humans” . Human Toxicol. , 4 : 4 – 401 .
   Google Scholar
• Berode , M. , Wietlisbach , V. , Rickenbach , M. and Guillemin , M. P. 1991 . “Lifestyle and Environmental Factors as Determinants of Blood Lead Levels in a Swiss Population” . Environ. Res. , 55 : 55 – 1 .
   Web of Science ®Google Scholar
• Sherlock , J. , Smart , G. , Forbes , G. I. , Moore , M. R. , Patterson , W. J. , Richards , W. N. and Wilson , T. S. 1982 . “Assessment of Lead Intakes and Dose‐Response for a Population in Ayr Exposed to a Plumbosolvent Water Supply” . Human Toxicol. , 1 : 1 – 115 .
   Google Scholar
• Thomas , H. F. , Elwood , P. C. , Toothill , C. and Morton , M. 1981 . “Blood and Water Lead in a Hard Water Area” . Lancet , May 9 : 1047 1048
   PubMed Web of Science ®Google Scholar
• Marcus , W. L. 1986 . “Lead Health Effects in Drinking Water” . Toxicol. Ind. Health , 2 (4) : 363 – 407 .
   PubMedGoogle Scholar
• Schecher , W. D. and McAvoy , D. C. 1998 . MINEQL+: A Chemical Equilibrium Modeling System, Version 4.0 for Windows , Hallowell, Maine : Environmental Research Software .
   Google Scholar
• Schock , M. R. 1980 . “Response of Lead Solubility to Dissolved Carbonate in Drinking Water” . J. Am. Water Works Assn. , 72 (12) : 695 – 704 .
   Web of Science ®Google Scholar
• Schock , M. R. 1981 . “Response of Lead Solubility to Dissolved Carbonate in Drinking Water” . Erratum. J. Am. Water Works Assn. , 73 (3) : 36 (news)
   Google Scholar
• Schock , M. R. 1990 . “Internal Corrosion and Deposition Control” . In Water Quality and Treatment: A Handbook of Community Water Supplies, , 4th edn. , New York : American Water Works Association, McGraw‐Hill, Inc. . Ch. 17.
   Google Scholar
• Schock , M. R. and Clement , J. A. 1998 . “Control of Lead and Copper with Non‐Zinc Orthophosphate” . J. New Engl. Water Works Assn. , 112 (1) : 20 – 242 .
   Google Scholar
• Gregory , R. and Jackson , P. J. 1984 . “Central Water Treatment to Reduce Lead Solubility” . Proc. AWWA Annual Conference . 1984 , Dallas, Tex..
   Google Scholar
• Butler , J. N. 1998 . Ionic Equilibrium , 392 New York : Wiley Interscience .
   Google Scholar