/Type /StructElem /Type /StructElem /K [3] /S /LBody /K [6] << /Type /StructElem /Pg 17 0 R /Pg 17 0 R /Type /StructElem endobj /Length 7 0 R /K [17] /P 373 0 R Add your answer and earn points. /Pg 17 0 R 288 0 obj endobj /Tabs /S /Type /StructElem >> << 300 0 obj /K [16] /Annots [332 0 R] /S /Figure /P 9 0 R /Pg 12 0 R << /Type /StructElem /S /P /S /Figure /K [9] /Type /StructElem /Type /StructElem << << Each F− centre is coordinated to four Ca2+ centres in the shape of a tetrahedron. /S /P /K [9] 68 0 obj /Type /StructElem /K [17] endobj >> /P 9 0 R << 138 0 obj /P 352 0 R /Pg 15 0 R /Type /Catalog /Pg 19 0 R >> /S /P G. L. Miessler and D. A. Tarr "Inorganic Chemistry" 3rd Ed, Pearson/Prentice Hall publisher. >> << 1 187 0 R 2 188 0 R 3 [189 0 R 108 0 R 109 0 R 110 0 R 111 0 R 112 0 R 113 0 R 114 0 R 115 0 R 116 0 R 196 0 obj /P 9 0 R << /Pg 15 0 R /Type /StructElem /Pg 17 0 R 140 0 R 141 0 R 142 0 R 143 0 R 144 0 R 145 0 R 146 0 R 147 0 R 148 0 R 149 0 R /S /P /Group 317 0 R endobj << /K [8] /Type /StructElem /K [12] << /K 80 /Pg 11 0 R /Pg 16 0 R >> /S /P endobj /K [18] >> >> 116 0 obj 297 0 obj 311 0 obj endobj /P 9 0 R 112 0 obj /Pg 15 0 R /Pg 15 0 R /K [8] /Pg 12 0 R /P 391 0 R /Type /StructElem endobj 5 0 obj >> endobj /Type /StructElem << /Type /StructElem endobj << /Pg 16 0 R >> /P 9 0 R << >> endobj /K [17] endobj /P 452 0 R /K [2] /P 9 0 R >> /Contents 338 0 R << << >> 160 0 obj /Type /StructElem /Type /StructElem << /S /LBody 108 0 obj 12 0 obj /K [5] /Pg 14 0 R /Type /StructElem 90 0 obj 185 0 obj endobj /S /P /Annots [344 0 R] << /Type /StructElem endobj /K [63] /S /P << /P 9 0 R /S /P /S /P endobj /K [31] /Type /Pages /S /P endobj << 238 0 obj 218 0 obj /Pg 16 0 R >> << << Holleman, A. F.; Wiberg, E. "Inorganic Chemistry" Academic Press: San Diego, 2001. Impurities cause color in the stone, and several varieties exhibit fluorescence. /K [3] /K [354 0 R] /K [1] /Pg 11 0 R endobj 27 0 obj /Type /StructElem endobj /Type /StructElem /P 9 0 R /Pg 15 0 R 162 0 obj /K [12] /P 9 0 R /Pg 15 0 R /Type /StructElem >> >> /S /Part /S /Figure /S /P << >> /Subtype /XML /P 66 0 R /Type /StructElem /K [1] /InlineShape /Sect /P 9 0 R >> /S /P /K [72] >> 151 0 obj >> /K 13 /P 9 0 R /K [11] /K [355 0 R] 226 0 obj /Type /StructElem endobj /Tabs /S /Pg 15 0 R /Pg 17 0 R << /K [10] /S /Figure 236 0 R 237 0 R 238 0 R 239 0 R 240 0 R 241 0 R 242 0 R 243 0 R 244 0 R 245 0 R /P 374 0 R /S /Span /Type /StructElem /K [6] /Type /StructElem /K [6] endobj For the formation of solid calcium fluoride the source of calcium may be either the enamel itself or remaining saliva or--in plaque--plaque fluid and calculus. >> << /Pg 11 0 R << endobj << Representative particles of sodium bicardonate (NaHCO3) and Calcium Oxide (CaO) 1 See answer jeneldabin10 is waiting for your help. endobj << /Alt () 189 0 obj /Type /StructElem << /S /P endobj >> endobj /S /P 217 0 R 218 0 R 219 0 R 220 0 R 221 0 R 222 0 R 223 0 R 224 0 R 225 0 R 226 0 R /Pg 16 0 R endobj >> /K [4] 95 0 obj >> endobj >> 22 0 obj endobj << >> /Pg 15 0 R /K [3] << 234 0 obj 9 Citations. 170 0 R 171 0 R 172 0 R 173 0 R 174 0 R 175 0 R 176 0 R 177 0 R 178 0 R 179 0 R] 79 0 obj /Type /StructElem << The invention relates to a composition having finely divided calcium carbonate particles treated with fatty acids or polysaccharides. >> We assume you are converting between moles Calcium Fluoride and gram. /K 32 /P 448 0 R << endobj /K [28] /P 9 0 R endobj >> << >> /Pg 13 0 R /Type /Metadata endobj Nine Dangers Lurking in Your Water Supply. /P 366 0 R /K [10] << /P 9 0 R 130 0 R 131 0 R 132 0 R 133 0 R 134 0 R 135 0 R 136 0 R 137 0 R 138 0 R 139 0 R endobj /S /LBody << /Pages 5 0 R /Type /StructElem /ActualText (5) /MediaBox [0 0 612 792] /K 10 << >> << /Pg 19 0 R 173 0 obj >> /K [45] /P 64 0 R Solutions Developer - PLM Systems]) /P 9 0 R /P 9 0 R >> CaF2 Nano powders were prepared using a Co-precipitation method using binary liquid. /Type /StructElem >> /P 9 0 R >> /P 9 0 R >> /Chartsheet /Part /S /Span /P 9 0 R 174 0 obj /P 9 0 R endobj >> /Type /StructElem /Pg 17 0 R /Group 321 0 R endobj /K 20 /K [8] /S /P /S /LBody << /Type /StructElem /K [19] endobj 38 0 obj /S /LBody /K [36] /Type /StructElem /K [409 0 R 186 0 R] 97 0 obj /P 9 0 R /Pg 18 0 R /K [32] /Type /StructElem << 64 0 obj /S /Figure >> endobj 268 0 obj /K [17] /Pg 16 0 R 70 0 obj << /P 9 0 R /Group 310 0 R endobj /Pg 15 0 R >> << /Pg 11 0 R << /K [34] /K [5] 239 0 obj endobj /K 25 /Type /StructElem 225 0 obj >> /S /LBody /Alt () /K [15] << /S /P /S /P /K [15] endobj /K [4] /Type /StructElem /P 9 0 R /K [50] >> >> << << /K [2] 176 0 obj /S /Span endobj /Pg 15 0 R /S /Figure >> /Type /StructElem << >> << /Pg 11 0 R /Type /StructElem /Pg 18 0 R /Pg 15 0 R << 309 0 obj /S /P endobj /Resources 343 0 R /S /P 88 0 obj /K [49] /Type /StructElem /K [30] /K [4] /P 9 0 R /S /L 14 0 obj The particles deposited on the enamel rods in the fTCP specimens could comprise calcium phosphate or calcium fluoride. /Endnote /Note /Type /StructElem << /Alt () << endobj >> >> << /Type /StructElem /P 9 0 R (From Merck Index, 11th ed) 25 0 obj /K [9] 126 0 obj /P 9 0 R /S /P >> It is the primary source of fluorine and its compounds. /Pg 13 0 R /Pg 15 0 R >> /Type /StructElem /P 9 0 R /K [8] /K [12] /Alt () << /Alt () 16 0 obj << << /P 9 0 R /K [9] 237 0 obj /P 9 0 R endobj /Type /StructElem /Pg 11 0 R /Pg 17 0 R /S /P /Pg 15 0 R /K [44] >> /K [5] << /Type /StructElem /S /LBody << 250 0 obj 4295 /S /P >> << /ActualText (1) /K [360 0 R 361 0 R 362 0 R 363 0 R] 77 0 obj /P 425 0 R 207 0 obj /Type /StructElem /Type /StructElem << /Pg 17 0 R /K [15] 83 0 obj endobj /S /P << /S /P endobj /Parent 5 0 R /Type /StructElem /K [91] 217 0 obj /P 9 0 R /S /P >> /Pg 18 0 R endobj << Metrics details. /S /Figure /S /P /K [24] endobj /Type /StructElem /Pg 13 0 R /Type /StructElem << /K 19 /S /P /P 9 0 R >> >> /Pg 17 0 R /Type /Page << /K [20] >> endobj << /S /Textbox /Pg 15 0 R /Type /StructElem /Pg 15 0 R /S /P /K [5] 44 0 obj /S /P /P 439 0 R /K [43] << >> 190 0 obj << endobj /K [67] 19 0 obj /Pg 12 0 R Preparation and optimization of calcium fluoride particles for dental applications. /S /Figure /Pg 13 0 R >> /K [66] endobj 256 0 obj Journal of Materials Science: Materials in Medicine, 2014 >> Due to the presence of calcium in its formula, a better performance of this material would have been expected in comparison with Duraphat in the post-cycling period, because of its potential for higher precipitation of CaF 2 … endobj /K [9] /Pg 13 0 R /K [27] 23 0 obj /Pg 12 0 R /ActualText (1) /Type /StructElem /Type /StructElem /P 414 0 R /P 378 0 R /S /LBody /P 415 0 R >> /P 9 0 R >> /Type /StructElem << /Pg 15 0 R endobj /K [6] /S /P /S /Figure >> /K [17] << /Type /StructElem /Pg 19 0 R /K [246 0 R 247 0 R] >> /Pg 14 0 R 9 0 obj >> /K [31] << /Pg 16 0 R /S /Figure /Pg 19 0 R /Pg 15 0 R /Type /StructElem << 139 0 obj /Pg 17 0 R endobj 79 0 R 79 0 R 79 0 R 79 0 R 79 0 R 79 0 R 79 0 R 79 0 R 79 0 R 79 0 R /S /Span /P 23 0 R calcium fluoride bed particles Prior art date 1950-02-27 Legal status (The legal status is an assumption and is not a legal conclusion. >> 257 0 obj /K [8] 260 0 obj /Alt () << endobj /P 9 0 R endobj /K [0] >> /K 14 << /P 411 0 R /K [12] endobj /S /Span /Pg 11 0 R /K [19] endobj /S /P /Pg 15 0 R /Type /StructElem endobj /K [18] /Annots [340 0 R] /S /Link /S /Span /P 9 0 R /S /LBody /K [0] /Type /StructElem /P 390 0 R << endobj /Type /StructElem << /Type /StructElem /Pg 18 0 R /S /LBody /K [10] /Contents 346 0 R /Pg 17 0 R endobj /S /P /Type /StructElem 144 0 obj /K [47] /K [15] endobj /S /Figure 192 0 obj endobj 299 0 obj endobj /S /P /P 453 0 R 3 0 obj /P 9 0 R endobj 1 0 obj 304 0 obj << << /S /P /Type /StructElem /S /Figure Coated Calcium Carbonate [0045] Samples of uncoated and treated ground calcium carbonate products having a surface area of 1.1 meters square per gram and a median particle size of 9.1 microns were mixed in a beaker at 18 percent solids while a sodium monofluorophosphate (MFP) fluoride solution was added to a level of 0.88 percent. /P 351 0 R /S /LBody /P 416 0 R 180 0 obj /P 9 0 R >> 131 0 obj /P 9 0 R /Pg 15 0 R >> /Pg 15 0 R endobj /Pg 16 0 R stream /P 9 0 R >> /Type /StructElem 156 0 obj /K [8] >> << /Pg 16 0 R 130 0 obj /Pg 15 0 R /Type /StructElem << 104 0 R 105 0 R 106 0 R] /P 447 0 R >> << /Type /StructElem /P 9 0 R Ca2+ centres are eight-coordinate, being centered in a cube of eight F− centres. /S /P >> endobj endobj /Group 345 0 R endobj /P 9 0 R endobj 298 0 obj /K [71] >> 121 0 obj 60 0 R 61 0 R 62 0 R 63 0 R 230 0 R 231 0 R 232 0 R 233 0 R 234 0 R 235 0 R /K [35] /Alt () >> /P 424 0 R endobj /P 407 0 R /S /P >> 111 0 obj /P 389 0 R << 2 0 obj 227 0 obj /P 9 0 R endobj >> >> /Type /StructElem /Type /StructElem 258 0 obj /P 9 0 R /P 9 0 R /P 9 0 R /Type /StructElem /S /LBody /K [9 0 R] endobj /P 9 0 R >> 171 0 obj /MediaBox [0 0 612 792] /Type /StructElem 299 0 R 300 0 R 301 0 R 302 0 R 303 0 R 304 0 R 305 0 R 306 0 R 307 0 R 308 0 R 241 0 obj 155 0 obj /Type /StructElem endobj /S /P endobj /S /P /S /P 186 0 obj endobj >> endobj The compound crystallizes in a cubic motif called the fluorite structure. << /Workbook /Document /Pg 13 0 R >> << /K [31] /P 392 0 R Representative particles. /Type /StructElem >> /Pg 19 0 R /Pg 11 0 R 2020-10-05T18:15:30+05:302018-02-06T15:26:24+05:302020-10-05T18:15:30+05:30Microsoft® Word 2010 /S /Figure /Pg 17 0 R /StructParents 4 << /K [26] << /Type /StructElem endobj /Pg 17 0 R stream << >> /P 402 0 R /Pg 15 0 R /P 9 0 R /S /P /K [23] /Pg 15 0 R /Type /StructElem /Pg 11 0 R /P 386 0 R /S /P /P 9 0 R /Type /Page /S /P /Pg 14 0 R endobj >> /K [56] /K [10] << /Type /StructElem >> /Type /StructElem /K [17] /Type /StructElem 278 0 obj /K [0] /Pg 15 0 R 227 0 R 228 0 R 229 0 R 136 0 R 137 0 R 138 0 R 139 0 R 140 0 R 141 0 R 142 0 R /S /P 194 0 obj Stone particles composed of 65% calcium oxalate and 35% calcium phosphate dissolved in a dose-dependent fashion with NaF exposure. /K [25] << << /Pg 11 0 R /Alt () /K [48] /P 9 0 R /K [14] /S /P /ModDate (D:20201005181530+05'30') /P 9 0 R /Pg 12 0 R /Pg 13 0 R /S /Figure /K [4] /Pg 11 0 R /S /P >> 75 0 obj /P 9 0 R << /K [8] /K [19] /Type /StructElem >> 293 0 obj /Type /StructElem << endobj 69 0 obj >> /Pg 11 0 R /K [2] /Type /StructElem 90 0 R 91 0 R 92 0 R 93 0 R 94 0 R 95 0 R 96 0 R 97 0 R 98 0 R 99 0 R 73 0 R 74 0 R 75 0 R 75 0 R 75 0 R 75 0 R 75 0 R 75 0 R 75 0 R 75 0 R /Pg 13 0 R /S /P /K [12 13 14 15 16 17 18 19 20 21 /P 432 0 R /K [21] /Group 337 0 R 122 0 obj 124 0 obj << << /S /LBody /K [14] /Pg 14 0 R endobj endobj 120 0 R 121 0 R 122 0 R 123 0 R 124 0 R 125 0 R 126 0 R 127 0 R 128 0 R 129 0 R /K [4] /S /LBody << /Type /StructElem /K [58] 49 0 obj 210 0 obj /S /LBody /Type /StructElem endobj /S /P endobj >> /Pg 16 0 R /Parent 5 0 R /K [27] endobj 150 0 obj /Type /Page /P 9 0 R << 57 0 obj /S /Span /Pg 11 0 R /K [12] /Type /StructElem /K [74] 262 0 obj << /P 351 0 R 30 0 R 31 0 R 32 0 R 33 0 R 34 0 R 35 0 R 36 0 R 37 0 R 38 0 R 39 0 R /Alt () << 107 0 obj /P 9 0 R >> >> endobj /Type /StructElem >> /Pg 17 0 R << endobj /Type /StructElem /K [12] endobj 115 0 obj endobj /Type /StructElem /K [188 0 R] << 255 0 obj << /S /Table /Type /StructElem /Pg 17 0 R /Pg 17 0 R >> /Type /StructElem /P 9 0 R /P 9 0 R << >> 261 0 obj /S /Span >> /Type /StructElem /K [14] /Marked true 198 0 obj 71 0 obj /Artifact /Sect >> /S /P endobj /Type /StructElem /P 400 0 R 76 0 obj /Type /StructElem endobj endobj /Type /StructElem /P 9 0 R endobj >> 294 0 obj 9 [158 0 R 159 0 R 160 0 R 161 0 R 162 0 R 269 0 R 270 0 R 271 0 R 272 0 R 273 0 R /P 350 0 R 15 0 obj /Type /StructElem /Type /StructElem >> /Annots [336 0 R] /Type /StructElem /ActualText (0) /P 382 0 R /Dialogsheet /Part /Type /StructElem /P 9 0 R /K [9] /S /P >> 295 0 obj >> 193 0 obj 303 0 obj The invention further relates to a method for the preparation of the composition and its use in applications where fluoride compatibility is desired. /Pg 15 0 R >> endobj 59 0 obj endobj 270 0 obj /Diagram /Figure /K [2] /S /Figure >> 200 0 obj /Parent 5 0 R endobj /P 414 0 R /P 9 0 R /Type /StructElem /P 393 0 R endobj 150 0 R 151 0 R 152 0 R 153 0 R 154 0 R 155 0 R 156 0 R 157 0 R 158 0 R 159 0 R /Pg 13 0 R 266 0 obj /K [18] /Type /StructElem >> << /Pg 12 0 R application/pdf(C) 2018 Granthaalayah Publications and Printers10.29121/granthaalayah.v6.i1.2018.1627Granthaalayah Publications and PrintersPREPARATION AND CHARACTERIZATION OF CALCIUM FLUORIDE NANO PARTICLES FOR DENTAL APPLICATIONS2018-01-31Mohammad S. Al-AjelyKareema M. ZiadanRafed. /S /Figure Its low refractive index reduces the need for anti-reflection coatings. /Alt () endobj 38 0 R 39 0 R 40 0 R 42 0 R 44 0 R 45 0 R 46 0 R 47 0 R 48 0 R 49 0 R 120 0 obj /S /Figure ] /S /P You can view more details on each measurement unit: molecular weight of Calcium Fluoride or grams The molecular formula for Calcium Fluoride is CaF2. >> /Alt () /P 9 0 R 206 0 obj endobj /Type /StructElem << /Pg 15 0 R endobj /Type /StructElem /Pg 18 0 R /Type /StructElem << >> /P 377 0 R endobj >> << /Pg 17 0 R endobj 51 0 obj /P 420 0 R << /K [29] 387 0 R 388 0 R 389 0 R 390 0 R 391 0 R 392 0 R 393 0 R 394 0 R 395 0 R 396 0 R /Type /StructElem /S /P 81 0 obj endobj << /Type /StructElem << /P 399 0 R 50 0 R 51 0 R 52 0 R 53 0 R 54 0 R 55 0 R 56 0 R 57 0 R 58 0 R 59 0 R >> << 2394-362934610.29121/granthaalayah.v6.i1.2018.16271International Journal of Research -GRANTHAALAYAH(C) 2018 Granthaalayah Publications and Printers62018-01-312350-0530338http://dx.doi.org/10.29121/granthaalayah.v6.i1.2018.1627 endobj /K 11 /Type /Page 67 0 obj << << /S /LBody >> /S /P << 80 0 obj /Worksheet /Part << endobj /Type /StructElem endobj 10 0 obj endobj << /S /P endobj Occurring in nature as the mineral fluorite or fluorspar. /Type /StructElem /Type /StructElem /Type /StructElem 170 0 obj >> /K [16] endobj /Pg 12 0 R /S /P /Pg 17 0 R endobj /P 401 0 R /P 9 0 R /P 9 0 R 102 0 obj National Institute for Occupational Safety and Health, "Ab initio model potential study of the equilibrium geometry of alkaline earth dihalides: MX, Ullmann's Encyclopedia of Industrial Chemistry, National Pollutant Inventory - Fluoride and compounds fact sheet, https://en.wikipedia.org/w/index.php?title=Calcium_fluoride&oldid=1007625320, Chemical articles with multiple compound IDs, Multiple chemicals in an infobox that need indexing, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, White crystalline solid (single crystals are transparent), This page was last edited on 19 February 2021, at 02:37. /K [2] /P 369 0 R /P 379 0 R endobj >> /Alt () << /K [373 0 R 374 0 R 375 0 R 376 0 R] >> /Pg 18 0 R /P 419 0 R endobj << >> >> Aigueperse, Jean; Mollard, Paul; Devilliers, Didier; Chemla, Marius; Faron, Robert; Romano, Renée; Cuer, Jean Pierre (2005), "Fluorine Compounds, Inorganic", Ullmann's Encyclopedia of Industrial Chemistry, Weinheim: Wiley-VCH, p. 307, doi:10.1002/14356007.a11_307. << << /Pg 17 0 R Magnesium -containing antacids have also been recommended but there are little data for their effectiveness. >> /P 384 0 R /P 435 0 R endobj << << << /Pg 18 0 R In a previous study, the combination of fTCP and fluoride produced relatively large, densely packed crystals compared with the smaller and/or less dense crystals in the fluoride-free or fluoride … /ITXT (5.1.3) 232 0 obj >> 306 0 obj /Group 333 0 R /Pg 15 0 R << /S /P /S /L >> endobj /S /P 93 0 obj >> >> 216 0 obj /ActualText (2) /K [54] 188 0 obj 183 0 obj /K 88 >> /Pg 11 0 R << /P 9 0 R 74 0 obj endobj /P 443 0 R << << 13 0 obj >> /Type /StructElem >> >> endobj /P 9 0 R /K [21] /K [7] /Type /StructElem endobj /Pg 16 0 R endobj /S /Span >> 141 0 obj << >> /K [82] /Parent 5 0 R The appropriate amount of cationic precursors, CaCl 2 and EuCl 3 salts, were added to a beaker containing 200 ml of deionized water and the total cationic concentration was controlled to be 0.01 mol/l. 310 0 obj /Pg 15 0 R 100 0 R 101 0 R 102 0 R 103 0 R 104 0 R 105 0 R 106 0 R 107 0 R 108 0 R 109 0 R /S /P >> << /K [7] /K [64] The species present in a substance usually atoms, molecules, or formulas units. /Type /StructElem /P 438 0 R >> /Pg 11 0 R endobj /P 9 0 R /P 376 0 R endobj /Pg 12 0 R /S /P >> /Type /StructElem /Pg 12 0 R << /P 9 0 R 158 0 obj endobj << /S /P << /Kids [11 0 R 12 0 R 13 0 R 14 0 R 15 0 R 16 0 R 17 0 R 18 0 R 19 0 R] << EXAMPLE 1 Uncoated Calcium Carbonate vs. /Type /StructElem /ParentTree 10 0 R 24 0 obj /Type /Group /Type /StructElem /Type /StructElem 4 [190 0 R 191 0 R 192 0 R 193 0 R 194 0 R 195 0 R 196 0 R 70 0 R 27 0 R 35 0 R] 99 0 obj endobj /Tabs /S /Pg 16 0 R /Type /StructElem /P 368 0 R >> endobj /Type /StructElem 271 0 obj /K [16] << >> << /S /LBody /Type /StructElem /S /Figure /S /P /Type /StructElem /Pg 12 0 R /S /Figure << 223 0 obj US2631083A US267254A US26725452A US2631083A US 2631083 A US2631083 A US 2631083A US 267254 A US267254 A US 267254A US 26725452 A US26725452 A US 26725452A US 2631083 A US2631083 A US 2631083A Authority US United States Prior art keywords silica siliceous fluorspar … /Type /StructElem << endobj /S /Span 149 0 obj >> 240 0 obj /K [13] /MediaBox [0 0 612 792] endobj << /K [6] /Author (Porwal Swapnil [Sr. >> << /P 9 0 R /S /LBody 31 0 obj << >> /Type /StructElem /S /LBody /Type /StructElem /P 412 0 R 251 0 obj 175 0 obj /Type /StructElem 143 0 obj /S /LBody endobj << >> /Pg 17 0 R endobj >> The gas phase is noteworthy for failing the predictions of VSEPR theory; the CaF2 molecule is not linear like MgF2, but bent with a bond angle of approximately 145°; the strontium and barium dihalides also have a bent geometry. /Annotation /Sect /S /P /S /P /P 360 0 R << << 281 0 obj /P 9 0 R >> << /K 16 /Pg 15 0 R /K [83] 61 0 obj /Pg 17 0 R /S /LBody << /K [11] >> /P 9 0 R /P 9 0 R [10], Except where otherwise noted, data are given for materials in their. /Pg 15 0 R /K 69 /S /P This solution was sprayed into a heated chamber, and the dried particles were collected via an electrostatic precipitator (AirQuality, Minneapolis, MN). /K [85] /S /P >> endobj /K [7] 58 0 obj /Pg 18 0 R /Pg 19 0 R endobj 517 Accesses. << /K [30] /P 9 0 R /S /P /S /LBody 148 0 obj /Type /StructElem << /K [5] /P 9 0 R /Type /StructElem << CaF2 is classified as "not dangerous", although reacting it with sulfuric acid produces very toxic hydrofluoric acid. /P 9 0 R << 308 0 obj endobj 221 0 obj /P 394 0 R /S /P << >> 43 44 45 46 47 48 49 50 51 52 /Pg 15 0 R endobj /P 9 0 R /Type /StructElem << /P 353 0 R 73 0 obj /K [358 0 R] /Type /StructElem /K [13] >> /S /LBody /Pg 18 0 R /P 371 0 R /Type /StructElem /Parent 5 0 R Main Difference – Sodium Fluoride vs Calcium Fluoride. /P 436 0 R /S /P /Type /StructElem << /K [15] /Type /StructElem /Pg 11 0 R /Contents 334 0 R /P 9 0 R >> endobj endobj /Pg 18 0 R /P 421 0 R >> /S /P /Type /Page endobj << endobj /K [1] /Pg 16 0 R Briefly, calcium carbonate and dicalcium phosphate anhydrous were dissolved into an acetic acid solution to achieve final Ca and P ionic concentrations of 8 mmol/L and 5.333 mmol/L. /K [57] M. Al-Bader endobj /Alt () endobj /Pg 13 0 R /Pg 15 0 R /Pg 18 0 R << /Type /StructElem The invention relates to a composition having finely divided calcium carbonate particles treated with fatty acids or polysaccharides. 153 0 obj /Pg 15 0 R /Resources 319 0 R endobj 307 0 obj >> /P 9 0 R << /S /P /Pg 17 0 R << /S /P CaF2 Nano powders were prepared using a Co-precipitation method using binary liquid. /Type /StructElem endobj endobj 291 0 obj << endobj << 265 0 obj /StructParents 3 >> /Resources 323 0 R /Contents 322 0 R /K [24] /Type /StructElem /S /L /P 9 0 R endobj /P 9 0 R /Type /StructElem 40 0 obj /Resources 331 0 R >> 219 0 obj >> >> The process of claim 1 wherein calcium fluoride particles are nucleated in the nucleating step by stirring at ambient temperature for a sufficient time, heating for a sufficient initial period, adding HF to the nucleating step, or starting with a quantity of a previous run's calcium fluoride-containing product in the mixing step. >> /K [79] /Type /StructElem /Pg 12 0 R << /P 9 0 R /K [0] /K [7] endobj 168 0 obj /Type /StructElem /Pg 11 0 R >> /Type /StructElem /Pg 15 0 R trollhuntergamer trollhuntergamer Answer: Explanation: The react completely. %PDF-1.5 /Type /StructElem 133 0 R 28 0 R 29 0 R] /K 7 /Type /StructElem >> /K [30] /Pg 15 0 R /Type /StructElem 191 0 obj endobj /P 445 0 R /Pg 16 0 R H��Wis�H��_�Ŕ���#�J�,+g}�Qvg7��R$*�G�Ǜ� �`Ӗ��,��>��}2�6�|2m؛7'���LՌ}9o���'��;��|�ד�ެ�۷�gCvt:>��ǂ����x~�+.T�r]r��ޗd�',�(�x�4�$,I����F���I?�:�Yo�'� /Type /StructElem 244 0 obj endobj /Type /StructElem >> /Type /StructElem << >> /S /P endobj endobj >> Analysis by high resolution transmission electron microscopy (HRTEM) of calcite nanoparticles reacted with 40 mg/L of fluoride … /Pg 18 0 R /S /P << endobj /Pg 15 0 R << << >> >> << << /Type /StructElem endobj endobj endobj /Type /StructElem /P 456 0 R << /Type /StructElem 178 0 obj It occurs as the mineral fluorite (also called fluorspar), which is often deeply coloured owing to impurities. Avogradros number. << Therefore, the overall linear growth calcium fluoride pellets in a FBR may be described according to the following equation: (20) G = (K 1 + K 2 L 0 2) SV 0.5 S, where K 1 is the crystal growth rate coefficient by aggregation and K 2 is the crystal growth rate coefficient by molecular growth, which values for the studied calcium fluoride system are 2.26 × 10-10 and 2.82 × 10-3, respectively, being G … 230 0 obj /S /Table /K [71] endobj /P 9 0 R A mole of any substance contains avogradros number of representative particles, or 6.022X10^23 representative particles. endobj >> endobj /Type /StructElem endobj << /K [34] << /Pg 12 0 R >> Other articles where Calcium fluoride is discussed: calcium: Compounds: The fluoride, CaF2, is important to the production of hydrofluoric acid, which is made from CaF2 by the action of sulfuric acid. 246 0 obj 52 0 obj /Type /StructElem << /Pg 17 0 R /S /Link /CreationDate (D:20180206152624+05'30') /P 405 0 R 7 [146 0 R 147 0 R 148 0 R 149 0 R 150 0 R 151 0 R 152 0 R 153 0 R 154 0 R 248 0 R /Pg 19 0 R /K [1] /P 9 0 R /Alt () The values given in parentheses are for information only. 106 0 obj 75 0 R 75 0 R 75 0 R 75 0 R 75 0 R 75 0 R 75 0 R 75 0 R 75 0 R 75 0 R 29 0 obj >> endstream endobj /P 431 0 R endobj << /K [20] endobj << /Alt () /K [51] /Type /StructElem /S /Span >> /Type /StructElem endobj /P 64 0 R 181 0 obj 17 0 obj endobj /Pg 15 0 R endobj /K [42] << endobj 91 0 obj << /Pg 15 0 R /Alt () /Type /StructElem /Pg 12 0 R >> /StructParents 8 284 0 obj /P 403 0 R /P 9 0 R Foods rich in calcium (eg, milk) can also bind fluoride . At 1573 K (1300 °C), the magnesia reaction rates of the samples with 1, 3, and 5 pct CaF2 were all approximately 26 pct, three times that of free CaF2, and they were arranged in order of … endobj << /P 9 0 R 4 0 obj 165 0 obj 397 0 R] /Annots [324 0 R] /S /P >> 147 0 obj /P 352 0 R /Pg 15 0 R /P 362 0 R /StructParents 10 << /Group 325 0 R 32 0 obj /P 9 0 R 172 0 obj 11 0 obj /K [73] /Type /StructElem /StructParents 6 << /S /Span >> /Type /StructElem The aim of the present study was to examine whether saliva through its calcium content has any influence on the amount of calcium fluoride formed by a topical fluoride treatment of enamel. >> << /S /Table /Macrosheet /Part /Creator <4D6963726F736F6674AE20576F72642032303130> /Pg 14 0 R /Pg 15 0 R >> /S /P /P 9 0 R /K [5] /K [28] /S /Figure >> /S /P /S /P /S /Figure endobj /Pg 16 0 R /MediaBox [0 0 612 792] /S /P >> /Type /StructElem /P 9 0 R /Type /StructElem << >> The mineral fluorite is abundant, widespread, and mainly of interest as a precursor to HF. /S /L /Pg 16 0 R >> /Pg 14 0 R /Type /StructElem /S /P 54 0 obj endobj /Pg 15 0 R /P 9 0 R 290 0 obj /S /Figure endobj /S /Figure /S /Figure endobj /S /Table 123 0 obj /K [9] endobj endobj /Type /StructElem 109 0 obj /Type /StructElem /P 9 0 R endobj /Type /StructElem /P 449 0 R endobj /P 9 0 R >> /S /Span /P 387 0 R /P 187 0 R >> /K [0] /Pg 17 0 R /Type /StructElem /K [0] Five sample groups each with 10 mg of calcium hydroxide were mixed with 15 mL of alcohol and sonicated. endobj /S /P /Pg 11 0 R /Type /StructElem >> 113 0 obj << /Type /StructElem 163 0 obj /P 9 0 R /Type /StructElem 233 0 obj /P 9 0 R /S /P endobj /Pg 15 0 R >> >> /Pg 15 0 R /Pg 13 0 R /K [23] >> /K [2] 79 0 R 80 0 R 184 0 R 82 0 R 83 0 R 185 0 R 186 0 R 24 0 R] >> The solid precipitation of calcium fluoride is produced by the chemical reaction of Ca 2+ and F − ions formed by the CaCl 2 and NH 4 F dissociation in aqueous medium. << /P 9 0 R /P 363 0 R << << 205 0 obj 14. /S /P /P 9 0 R 309 0 R] /S /Span /Alt () endobj /Alt () endobj /Type /StructElem 79 0 R 79 0 R 79 0 R 79 0 R 79 0 R 79 0 R 79 0 R 79 0 R 79 0 R 79 0 R Pure calcium fluoride is used as a catalyst in dehydration and dehydrogenation and is used to fluoridate drinking water. /S /L 79 0 R 79 0 R 79 0 R 79 0 R 79 0 R 79 0 R 79 0 R 79 0 R 79 0 R 79 0 R /Pg 16 0 R /P 405 0 R /Type /StructElem >> 167 0 obj >> /S /P endobj /Type /StructElem /Type /StructElem >> /Pg 17 0 R 70 0 R 71 0 R 72 0 R 73 0 R 74 0 R 75 0 R 76 0 R 77 0 R 78 0 R 79 0 R endobj /Pg 14 0 R /S /P /Pg 17 0 R /Pg 11 0 R /Type /StructElem 101 0 obj /Type /StructElem [11] Hydrogen fluoride is liberated from the mineral by the action of concentrated sulfuric acid:[12]. /Type /StructElem /Pg 16 0 R /S /Figure 65 0 obj >> << << /Type /StructElem /P 9 0 R /K 76 /Type /StructElem endobj 104 0 obj /Pg 13 0 R /P 9 0 R /Pg 15 0 R /Type /StructElem >> /P 406 0 R /P 9 0 R endobj /StructParents 9 << << 242 0 obj >> /Type /StructElem 276 0 obj /K [14] << << >> >> endobj 18 0 obj Results from X-ray photoelectron spectroscopy (XPS) showed that calcium fluoride (fluorite, CaF 2) precipitated on the surface of calcite nanoparticles at pH 7.2 ± 0.1 and fluoride concentration of 100 mg/L, while no precipitate was found at 10 mg/L. /K [21] << /Pg 16 0 R /S /P /S /P /Type /StructElem /Type /StructElem << /S /Span /K [1] /P 350 0 R /Pg 14 0 R << /K [23] << /Pg 13 0 R endobj /Pg 15 0 R The aim of the present study was to prepare a calcium fluoride (CaF2NP) Nano particle which is used in dental composites as dental filling compo glass type. << /Type /StructElem /Pg 15 0 R 136 0 obj endobj >> endobj [5] Although perfectly packed crystalline samples are colorless, the mineral is often deeply colored due to the presence of F-centers. /Pg 11 0 R >> /Type /StructElem >> << /Textbox /Sect << 1 Altmetric. endobj /P 9 0 R 6 0 obj /Type /StructElem /Pg 11 0 R /S /P >> /K [12] /Type /StructElem endobj >> endobj /P 383 0 R 224 0 obj /Pg 16 0 R /Pg 15 0 R /Parent 5 0 R >> >> endobj << /S /Figure << /S /P endobj /StructParents 7 /K [65] /Pg 15 0 R /Type /StructElem /K [10] endobj /P 422 0 R /K [18] /K [398 0 R 399 0 R 400 0 R 401 0 R 402 0 R 403 0 R 404 0 R] /P 9 0 R /S /P /S /P 269 0 obj /Alt () /P 398 0 R /S /P /Pg 11 0 R << 137 0 obj endobj /S /LBody 229 0 obj endobj /K [77] /K [10] >> /Alt () /ActualText (5) >> 114 0 obj /K [39] /P 9 0 R endobj /Type /StructElem 249 0 obj 1 mole is equal to 1 moles Calcium Fluoride, or 78.0748064 grams. /MediaBox [0 0 612 792]
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