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  2. List of abbreviations used in medical prescriptions - Wikipedia

    en.wikipedia.org/wiki/List_of_abbreviations_used...

    send or dispense, e.g. number of tablets provided Can be confused with m,. misce, context-dependent mane: mane: in the morning max. maximum maximum mcg microgram: recommended replacement for "μg" which may be confused with "mg" mdi metered dose inhaler m.d.u. more dicto utendus: to be used as directed mEq milliequivalent mg milligram mg/dL

  3. Phosphoribosyl pyrophosphate - Wikipedia

    en.wikipedia.org/wiki/Phosphoribosyl_pyrophosphate

    Phosphoribosyl pyrophosphate (PRPP) is a pentose phosphate. It is a biochemical intermediate in the formation of purine nucleotides via inosine-5-monophosphate, as well as in pyrimidine nucleotide formation. Hence it is a building block for DNA and RNA.

  4. Dichlorvos - Wikipedia

    en.wikipedia.org/wiki/Dichlorvos

    Dichlorvos (2,2-dichlorovinyl dimethyl phosphate, commonly abbreviated as an DDVP [1]) is an organophosphate widely used as an insecticide to control household pests, in public health, and protecting stored products from insects. The compound has been commercially available since 1961.

  5. Phosphogypsum - Wikipedia

    en.wikipedia.org/wiki/Phosphogypsum

    Phosphogypsum is a by-product from the production of phosphoric acid by treating phosphate ore with sulfuric acid according to the following reaction: . Ca 5 (PO 4) 3 X + 5 H 2 SO 4 + 10 H 2 O → 3 H 3 PO 4 + 5 (CaSO 4 · 2 H 2 O) + HX

  6. Phosphoryl chloride - Wikipedia

    en.wikipedia.org/wiki/Phosphoryl_chloride

    Like phosphate, POCl 3 is tetrahedral in shape. [6] It features three P−Cl bonds and one strong P–O bond, with an estimated bond dissociation energy of 533.5 kJ/mol. Unlike in the case of POF 3 , the Schomaker-Stevenson rule predicts appropriate bond length for the P–O bond only if the P–O bond is treated as a double bond, P=O.

  7. Disodium pyrophosphate - Wikipedia

    en.wikipedia.org/wiki/Disodium_pyrophosphate

    When crystallized from water, it forms a hexahydrate, but it dehydrates above room temperature. Pyrophosphate is a polyvalent anion with a high affinity for polyvalent cations, e.g. Ca 2+. Disodium pyrophosphate is produced by heating sodium dihydrogen phosphate: 2 NaH 2 PO 4 → Na 2 H 2 P 2 O 7 + H 2 O

  8. Pyrophosphate - Wikipedia

    en.wikipedia.org/wiki/Pyrophosphate

    The pyrophosphate anion has the structure P 2 O 4− 7, and is an acid anhydride of phosphate. It is unstable in aqueous solution and hydrolyzes into inorganic phosphate: P 2 O 4− 7 + H 2 O → 2 HPO 2− 4. or in biologists' shorthand notation: PP i + H 2 O → 2 P i + 2 H +

  9. Sodium hexametaphosphate - Wikipedia

    en.wikipedia.org/wiki/Sodium_hexametaphosphate

    Sodium hexametaphosphate is the alkali salt of one of the series of polymetaphosphoric acids (acids formed by the polymerization of phosphate groups). [14] Hexametaphosphoric acid was first made in 1825 by the German chemist Johann Frederich Philipp Engelhart (1797-1853). [15]

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