Qhov txawv ntawm Dicalcium Phosphate thiab Monocalcium Phosphate

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Qhov txawv ntawm Dicalcium Phosphate thiab Monocalcium Phosphate
Qhov txawv ntawm Dicalcium Phosphate thiab Monocalcium Phosphate

Video: Qhov txawv ntawm Dicalcium Phosphate thiab Monocalcium Phosphate

Video: Qhov txawv ntawm Dicalcium Phosphate thiab Monocalcium Phosphate
Video: Qhov Txawv Ntawm Lus Hmoob Thiab Lus Mab Mawb 2024, Kaum ib hlis
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Qhov Tseem Ceeb Qhov txawv - Dicalcium Phosphate vs Monocalcium Phosphate

Dicalcium phosphate thiab monocalcium phosphate yog inorganic compounds uas yog tsim los ntawm calcium cations thiab phosphate anions. Cov tebchaw no muaj kev siv sib txawv hauv kev lag luam sib txawv xws li kev lag luam zaub mov, kev lag luam tshuaj, thiab lwm yam. Qhov sib txawv tseem ceeb ntawm Dicalcium phosphate thiab monocalcium phosphate yog Dicalcium phosphate muaj HPO 4 2- anion per molecule whereas monocalcium phosphate muaj ob H2PO4anions ib molecule.

Dicalcium Phosphate yog dab tsi?

Dicalcium Phosphate yog calcium phosphate uas muaj cov tshuaj formula CaHPO4 thiab nws cov dihydrate. Cov mis mos ntawm cov tshuaj no yog CaHPO 4 Cov molar loj ntawm cov tshuaj no yog 136.06 g / mol. Nws yog ib qho tshuaj tsw qab uas zoo li lub zog dawb. Qhov ntom ntawm Dicalcium phosphate sib txawv nrog nws cov dej. Thaum tsis muaj dej, qhov ceev ntawm Dicalcium phosphate yog 2.92 g / cm3whereas qhov ceev ntawm nws cov ntaub ntawv dihydrate yog 2.31 g / cm 3 Thaum kub dua, Dicalcium phosphate decomposes es tsis txhob melting.

Qhov sib txawv ntawm Dicalcium Phosphate thiab Monocalcium Phosphate
Qhov sib txawv ntawm Dicalcium Phosphate thiab Monocalcium Phosphate

Daim duab 01: Dicalcium Phosphate Powder

Muaj peb cov qauv tshuaj ntawm Dicalcium phosphate.

  1. Dehydrate form (CaHPO4.2H2O)
  2. Hemihydrate form (CaHPO4.0.5H2O)
  3. Anhydrous form (CaHPO4)

Cov qauv siv lead ua ntawm Dicalcium phosphate crystals yog triclinic. Lub npe IUPAC ntawm cov tshuaj no yog Calcium hydrogen phosphate dehydrate. Cov reactants siv los tsim Dicalcium phosphate suav nrog calcium hydroxide (Ca(OH)2) thiab phosphoric acid (H 3 PO 4). Cov txheej txheem tsim khoom suav nrog kev ua haujlwm nruab nrab ntawm calcium hydroxide los ntawm phosphoric acid uas muab Dicalcium phosphate ua lub dehydrate precipitate. Thaum nws cov tshuaj tiv thaiv ua tiav ntawm lossis ib puag ncig 60 ° C, daim ntawv anhydrous yog tsim.

H3PO4 + Ca(OH)2 → CaHPO 4

Qhov degradation ntawm cov khoom kawg no tuaj yeem tsim hydroxyapatite. Yog li ntawd, txhawm rau kom tsis txhob degradation, sodium pyrophosphate yog ntxiv rau cov tshuaj tiv thaiv sib tov.

Dicalcium phosphate yog siv rau hauv kev tsim cov khoom noj khoom haus, cov khoom noj dev thiab cov khoom noodle ua cov khoom noj ntxiv. Nws kuj muaj qee qhov kev siv tshuaj; siv los ua tus neeg sawv cev ntsiav tshuaj. Tsis tas li ntawd, Dicalcium phosphate yog siv los ua khoom noj khoom haus ntxiv, thiab tseem muaj nyob rau hauv cov tshuaj txhuam hniav ua tus neeg saib xyuas polishing.

Monocalcium Phosphate yog dab tsi?

Monocalcium phosphate yog calcium phosphate uas muaj cov tshuaj formula Ca(H2PO4)2Nws feem ntau pom raws li daim ntawv monohydrate. Lub npe IUPAC ntawm cov tshuaj no yog Calcium dihydrogen phosphate. Cov molar loj ntawm cov tshuaj no yog 234.05 g / mol. Lub melting point ntawm Monocalcium phosphate yog 109 ° C thiab boiling point yog 203 ° C. Txawm li cas los xij, ntawm qhov kub siab dua, nws decomposes.

Monocalcium phosphate yog npaj los ntawm kev siv kho calcium hydroxide nrog phosphoric acid nrog lub siab purity. Cov tshuaj tiv thaiv yog raws li nram no.

Ca(OH)2 + 2 H3PO4 → Ca(H 2PO4)2 + 2 H2O

Cov khoom kawg lossis cov khoom Monocalcium phosphate nyhav hloov mus rau hauv daim ntawv Dicalciumphosphate.

Qhov txawv ntawm Dicalcium Phosphate thiab Monocalcium Phosphate
Qhov txawv ntawm Dicalcium Phosphate thiab Monocalcium Phosphate

Daim duab 02: Monocalcium Phosphate Crystals

Muaj ob lub ntsiab siv ntawm Monocalcium phosphate; nws yog siv nyob rau hauv chiv ntau lawm thiab raws li ib tug leavening neeg sawv cev. Monocalcium phosphate los yog triple superphosphate yog cov khoom siv ua chiv. Nws kuj yog siv los ua ib tus neeg sawv cev hauv kev lag luam zaub mov.

Dab tsi yog qhov zoo sib xws ntawm Dicalcium Phosphate thiab Monocalcium Phosphate?

  • Ob Dicalcium Phosphate thiab Monocalcium Phosphate yog tsim los ntawm phosphate anions.
  • Ob Dicalcium Phosphate thiab Monocalcium Phosphate yog siv hauv kev lag luam khoom noj.
  • Ob qho tib si Dicalcium Phosphate thiab Monocalcium Phosphate compounds decompose ntawm qhov kub siab.
  • Ob qho tib si Dicalcium Phosphate thiab Monocalcium Phosphate tebchaw yog tsim los ntawm calcium hydroxide thiab phosphoric acid.

Qhov txawv ntawm Dicalcium Phosphate thiab Monocalcium Phosphate yog dab tsi?

Dicalcium Phosphate vs Monocalcium Phosphate

Dicalcium Phosphate yog calcium phosphate muaj cov tshuaj formula CaHPO4 thiab nws yog dihydrate. Monocalcium phosphate yog calcium phosphate uas muaj cov tshuaj formula Ca(H2PO4)2.
qauv
Dicalcium phosphate has a HPO42- anion per molecule. Monocalcium phosphate muaj ob H2PO4– anions ib molecule.
Molar Mass
Cov molar mass ntawm Dicalcium Phosphate yog 136.06 g / mol Cov molar loj ntawm Monocalcium Phosphate yog 234.05 g / mol
IUPAC Name
IUPAC lub npe ntawm Dicalcium Phosphate yog Calcium hydrogen phosphate dehydrate. IUPAC lub npe ntawm Monocalcium Phosphate yog Calcium dihydrogen phosphate.
tshuaj formula
Cov tshuaj formula ntawm Dicalcium Phosphate yog CaHPO 4 Cov tshuaj formula ntawm Monocalcium phosphate yog Ca(H2PO4)2
Uss

Siv hauv kev tsim cov cereals, kho dev thiab cov khoom noodle ua cov khoom noj ntxiv.

Siv ua tus neeg sawv cev ntsiav tshuaj thiab ua zaub mov ntxiv thiab tseem nyob rau hauv cov tshuaj txhuam hniav ua tus neeg sawv cev polishing.

Monocalcium Phosphate nws yog siv hauv kev tsim cov chiv thiab ua cov tshuaj tua kab mob.

Summary – Dicalcium Phosphate vs Monocalcium Phosphate

Dicalcium phosphate thiab Monocalcium Phosphate yog cov tshuaj inorganic uas yog tsim los ntawm anions muab tau los ntawm phosphoric acid. Qhov txawv ntawm Dicalcium phosphate thiab monocalcium phosphate yog tias, Dicalcium phosphate muaj HPO 42- anion ib molecule whereas monocalcium phosphate muaj ob H. 2PO4 anions per molecule.

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