Abstract: A process for producing a phosphate by: introducing oxidic metal(II)-, metal(III)- metal(IV) or compounds with mixed oxide stages selected from hydroxides, oxides, oxide-hydroxides, oxide-hydrates, carbonates and hydroxide carbonates, of at least one of the metals Mn, Fe, Co and Ni with the elemental forms or alloys of at least one of the metals Mn, Fe, Co and/or Ni into an aqueous medium containing phosphoric acid, and reacting the oxidic metal compounds with elemental forms or alloys of the metals to obtain divalent metal ions, removing solid substances, producing an alkali metal phosphate receiver solution with a pH-value of 5 to 8 and metering the aqueous solution into the receiver solution and at the same time metering a basic aqueous alkali hydroxide solution that the pH-value of the resulting reaction mixture is kept in the region of 5 to 8 to precipitate the desired phosphate.

Abstract: A method for producing an iron(III)orthophosphate-carbon composite which contains iron(III)orthophosphate of the general formula FePO4×nH2O (n?2.5), a carbon source being dispersed in a phosphoric aqueous Fe2+ ion-containing solution and orthophosphate-carbon composite being precipitated and removed from the aqueous solution when an oxidant is added to the dispersion.

Abstract: The invention relates to an abrasive medium which is bonded with a thermosetting material and comprises abrasive particles, a thermosetting binder and optionally further fillers, and contains a phosphate-based additive, the percentage of the phosphate-based additive being 1 to 10 wt.-% of the starting mixture of the abrasive medium. The phosphate-based additive is homogeneously distributed in the abrasive medium. The invention also relates to a method for producing corresponding thermosetting resin-bonded grinding disks.

Abstract: A resin-bonded grinding disk for use on a hand-held power tool includes a clamping flange. The resin-bonded grinding disk includes a top side, an underside arranged opposite to the top side, a grinding disk surface area, a central cutout configured to hold the grinding disk in the clamping flange, a first reinforcement fabric arranged on the top side, and a second reinforcement fabric arranged on the underside. The first reinforcement fabric comprises a first reinforcement fabric surface area which substantially corresponds to the grinding disk surface area. The second reinforcement fabric comprises a second reinforcement fabric surface area which is smaller than the grinding disk surface area.

Abstract: A nutrient composition for biological systems, such as humans, animals, plants or microorganisms includes at least one monometallic or mixed-metallic phosphate of the (M1 M2 M3 . . . Mx)3(PO4)2.aH2O type where 0?a?9, where (M1, M2, M3 . . . Mx) represent the one metal of the monometallic phosphate or the two or more metals of the mixed-metallic phosphate and are selected from Na, K, Mg, Ca, Cr, Mo, W, Mn, Fe, Co, Ni, Cu, Zn and B, with the proviso that at least one of the metals in the phosphate is selected from Mn, Fe, Co and Ni.

Abstract: A manganese(Mn)-bearing monometal phosphate of the type Mn3(PO4)2.3H2O or mixed-metal phosphate of the type (Mnx, Mety)3(PO4)2.3H2O, wherein x+y=1 and Met represents one or more metals selected from Fe, Co, Ni, Sc, Ti, V, Cr, Cu, Zn, Be, Mg, Ca, Sr, Ba, Al, Zr, Hf, Re, Ru, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, characterized in that in the X-ray powder diffraction diagram the phosphate has peaks at 10.96±0.05, 12.78±0.17, 14.96±0.13, 17.34±0.15, 18.98±0.18, 21.75±0.21, 22.07±0.11, 22.97±0.10, 25.93±0.25, 26.95±0.30, 27.56±0.10, 29.19±0.12, 29.84±0.21, 30.27±0.12, 34.86±0.21, 35.00±0.20, 35.33±0.30, 35.58±0.10, 35.73±0.12, 42.79±0.45, 43.37±0.45, 44.70±0.15 and 44.93±0.20 degrees two-theta, based on CuK?-radiation.

Abstract: A manganese(Mn)-bearing monometal phosphate of the type Mn3(PO4)2.3H2O or mixed-metal phosphate of the type (Mnx, Mety)3(PO4)2.3H2O, wherein x+y=1 and Met represents one or more metals selected from Fe, Co, Ni, Sc, Ti, V, Cr, Cu, Zn, Be, Mg, Ca, Sr, Ba, Al, Zr, Hf, Re, Ru, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, characterised in that in the X-ray powder diffraction diagram the phosphate has peaks at 10.96±0.05, 12.78±0.17, 14.96±0.13, 17.34±0.15, 18.98±0.18, 21.75±0.21, 22.07±0.11, 22.97±0.10, 25.93±0.25, 26.95±0.30, 27.56±0.10, 29.19±0.12, 29.84±0.21, 30.27±0.12, 34.86±0.21, 35.00±0.20, 35.33±0.30, 35.58±0.10, 35.73±0.12, 42.79±0.45, 43.37±0.45, 44.70±0.15 and 44.93±0.20 degrees two-theta, based on CuK?-radiation.

Abstract: Method for producing condensed iron (III) phosphate, in which a) an aqueous solution containing Fe2+ ions is produced, in which oxidic iron (II), iron (III) or mixed iron (II, III) compounds selected from among hydroxides, oxides, oxide hydroxides, oxide hydrates, carbonates and hydroxide carbonates are introduced together with elementary iron into an aqueous medium containing phosphoric acid, wherein Fe2+ ions are dissolved and Fe3+ with elementary Fe (in a comproportionation reaction) is reacted to dissolved Fe2+, b) separating solid material from the phosphoric acid aqueous Fe2+ solution, c) adding an oxidizer to the phosphoric acid aqueous Fe2+ solution to oxidise iron (II) in the solution, d) adding polyphosphate in the form of polyphosphoric acid or salts thereof as solid material or aqueous solution after completion of the oxidation reaction to precipitate condensed iron (III) phosphate, and e) separating the precipitated condensed iron (III) phosphate solution and resulting product.

Abstract: A process for producing a phosphate by: introducing oxidic metal(II)-, metal(III)-metal(FV) or compounds with mixed oxide stages selected from hydroxides, oxides, oxide-hydroxides, oxide-hydrates, carbonates and hydroxide carbonates, of at least one of the metals Mn, Fe, Co and Ni with the elemental forms or alloys of at least one of the metals Mn, Fe, Co and/or Ni into an aqueous medium containing phosphoric acid, and reacting the oxidic metal compounds with elemental forms or alloys of the metals to obtain divalent metal ions, removing solid substances, producing an alkali metal phosphate receiver solution with a pH-value of 5 to 8 and metering the aqueous solution into the receiver solution and at the same time metering a basic aqueous alkali hydroxide solution that the pH-value of the resulting reaction mixture is kept in the region of 5 to 8 to precipitate the desired phosphate.

Abstract: A nutrient composition for biological systems, such as humans, animals, plants or microorganisms includes at least one monometallic or mixed-metallic phosphate of the (M1 M2 M3 . . . Mx)3(PO4)2.aH2O type where 0?a?9, where (M1, M2, M3 . . . Mx) represent the one metal of the monometallic phosphate or the two or more metals of the mixed-metallic phosphate and are selected from Na, K, Mg, Ca, Cr, Mo, W, Mn, Fe, Co, Ni, Cu, Zn and B, with the proviso that at least one of the metals in the phosphate is selected from Mn, Fe, Co and Ni.

Abstract: A method for producing an iron(III)orthophosphate-carbon composite which contains iron(III)orthophosphate of the general formula FePO4×nH2O (n?2.5), a carbon source being dispersed in a phosphoric aqueous Fe2+ ion-containing solution and orthophosphate-carbon composite being precipitated and removed from the aqueous solution when an oxidant is added to the dispersion.

Abstract: Iron(III) orthophosphate of the general formula FePO4×nH2O (n?2.5), prepared by a process in which iron(II)-, iron(III)- or mixed iron(II, III) compounds selected from among hydroxides, oxides, oxidehydroxides, oxide hydrates, carbonates and hydroxidecarbonates are reacted with phosphoric acid having a concentration in the range from 5% to 50%, any iron(II) present after the reaction is converted into iron(III) by addition of an oxidant and solid iron(III) orthophosphate is separated off from the reaction mixture.

Abstract: A process for the production of iron (III) orthophosphate of the general formula FePO4×nH2O (n?2.5) comprising: a) producing an aqueous solution containing Fe2+ ions by introducing, iron (II), iron (III) or mixed iron (II, III) compounds selected from hydroxides, oxides, oxide hydroxides, oxide hydrates, carbonates and hydroxide carbonates, together with elementary iron, into a phosphoric acid-bearing aqueous medium, to dissolve Fe2+ ions and to react Fe3+ with elementary Fe in a comproportionation reaction to give Fe2+; b) separating solids from the phosphoric-acid aqueous Fe2+ solution, and c) adding an oxidation agent to the phosphoric-acid aqueous Fe2+ solution to oxidize iron (II) in the solution to precipitate iron (III) orthophosphate of the general formula FePO4×nH2O. The invention includes the product of the process and its use to make LiFePO4 for batteries.

Abstract: A laser-writable molding material containing A) at least one polymer material or at least one precursor compound which can be polymerised to give a polymer material, and B) a particulate salt-like compound or a mixture of particulate salt-like compounds, which under the influence of laser light changes its color or leads to a color change in the component A). In order to enlarge the range of matrix materials hitherto available for laser writing and to overcome the disadvantages of the previously used writing procedures for such matrix materials, the laser-writable molding material according to the invention is characterised in that the at least one polymer material of the component A) is selected from polymer compounds having siloxane crosslinking units.

Abstract: A process for the production of iron (III) orthophosphate of the general formula FePO4×nH2O (n?2.5) comprising: a) producing an aqueous solution containing Fe2+ ions by introducing, iron (II), iron (III) or mixed iron (II, III) compounds selected from hydroxides, oxides, oxide hydroxides, oxide hydrates, carbonates and hydroxide carbonates, together with elementary iron, into a phosphoric acid-bearing aqueous medium, to dissolve Fe2+ ions and to react Fe3+ with elementary Fe in a comproportionation reaction to give Fe2+; b) separating solids from the phosphoric-acid aqueous Fe2+ solution, and c) adding an oxidation agent to the phosphoric-acid aqueous Fe2+ solution to oxidize iron (II) in the solution to precipitate iron (III) orthophosphate of the general formula FePO4×nH2O. The invention includes the product of the process and its use to make LiFePO4 for batteries.

Abstract: Iron(III) orthophosphate of the general formula FePO4×nH2O (n?2.5), prepared by a process in which iron(II)-, iron(III)- or mixed iron(II, III) compounds selected from among hydroxides, oxides, oxidehydroxides, oxide hydrates, carbonates and hydroxidecarbonates are reacted with phosphoric acid having a concentration in the range from 5% to 50%, any iron(II) present after the reaction is converted into iron(III) by addition of an oxidant and solid iron(III) orthophosphate is separated off from the reaction mixture.

Abstract: There is provided a laser-writable molding material containing A) at least one polymer material or at least one precursor compound which can be polymerised to give a polymer material, and B) a particulate salt-like compound or a mixture of particulate salt-like compounds, which under the influence of laser light changes its color or leads to a color change in the component A). In order to enlarge the range of matrix materials hitherto available for laser writing and to overcome the disadvantages of the previously used writing procedures for such matrix materials, the laser-writable molding material according to the invention is characterised in that the at least one polymer material of the component A) is selected from polymer compounds having siloxane crosslinking units.