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  2. Aluminium phosphate - Wikipedia

    en.wikipedia.org/wiki/Aluminium_phosphate

    Aluminium phosphate dihydrate (variscite and meta-variscite) has a structure that can be regarded as an assembly of tetra- and octahedral units of phosphate anions, aluminium cations and water. Al 3+ ions are 6-coordinate and PO 4 3-ions are 4-coordinate. [3] A synthetic hydrated form, AlPO 4 ·1.5H 2 O is also known. [15]

  3. Phosphoric acids and phosphates - Wikipedia

    en.wikipedia.org/.../Phosphoric_acids_and_phosphates

    Likewise, tripolyphosphoric acid H 5 P 3 O 10 yields at least five anions [H 5−k P 3 O 10] k−, where k ranges from 1 to 5, including tripolyphosphate [P 3 O 10] 5−. Tetrapolyphosphoric acid H 6 P 4 O 13 yields at least six anions, including tetrapolyphosphate [P 4 O 13] 6−, and so on. Note that each extra phosphoric unit adds one extra ...

  4. Inductive effect - Wikipedia

    en.wikipedia.org/wiki/Inductive_effect

    Monochloroacetic acid (pK a =2.82), though, is stronger than formic acid, due to the electron-withdrawing effect of chlorine promoting ionization. In benzoic acid, the carbon atoms which are present in the ring are sp 2 hybridised. As a result, benzoic acid (pK a =4.20) is a stronger acid than cyclohexanecarboxylic acid (pK a =4.87).

  5. Phosphate - Wikipedia

    en.wikipedia.org/wiki/Phosphate

    In chemistry, a phosphate is an anion, salt, functional group or ester derived from a phosphoric acid. It most commonly means orthophosphate, a derivative of orthophosphoric acid, a.k.a. phosphoric acid H 3 PO 4. The phosphate or orthophosphate ion [PO 4] 3− is derived from phosphoric acid by the removal of three protons H +.

  6. Phosphorus - Wikipedia

    en.wikipedia.org/wiki/Phosphorus

    Phosphate is the conjugate base of phosphoric acid, which is produced on a massive scale for use in fertilisers. Being triprotic, phosphoric acid converts stepwise to three conjugate bases: H 3 PO 4 + H 2 O ⇌ H 3 O + + H 2 PO 4 − K a1 = 7.25×10 −3 H 2 PO 4 − + H 2 O ⇌ H 3 O + + HPO 4 2− K a2 = 6.31×10 −8

  7. Electrostatic induction - Wikipedia

    en.wikipedia.org/wiki/Electrostatic_induction

    But when the inducing charge is moved away, the charge is released and spreads throughout the electroscope terminal to the leaves, so the gold leaves move apart again. The sign of the charge left on the electroscope after grounding is always opposite in sign to the external inducing charge. [5] The two rules of induction are: [5] [6]

  8. Aluminium dihydrogenphosphate - Wikipedia

    en.wikipedia.org/wiki/Aluminium_dihydrogenphosphate

    Aluminium dihydrogenphosphate describes inorganic compounds with the formula Al(H 2 PO 4) 3. xH 2 O where x = 0 or 3. They are white solids. Upon heating these materials convert sequentially to a family of related polyphosphate salts including aluminium triphosphate (AlH 2 P 3 O 10. 2H 2 O), aluminium hexametaphosphate (Al 2 P 6 O 18), and aluminium tetrametaphosphate (Al 4 (P 4 O 12) 3).

  9. Sodium aluminium phosphate - Wikipedia

    en.wikipedia.org/wiki/Sodium_aluminium_phosphate

    Sodium aluminium phosphate (SAlP) describes the inorganic compounds consisting of sodium salts of aluminium phosphates. The most common SAlP has the formulas NaH 14 Al 3 (PO 4) 8 ·4H 2 O and Na 3 H 15 Al 2 (PO 4) 8. [1] These materials are prepared by combining alumina, phosphoric acid, and sodium hydroxide. [2]