Nyob hauv cov txheej txheem ntub dej (saib daim duab 1), phosphoric acid yog tsim los ntawm reacting sulfuric acid (H2SO4) nrog ib txwm muaj phosphate pob zeb. Cov tshuaj tiv thaiv kuj tsim calcium sulfate (CaSO4), feem ntau hu ua gypsum. Lub insoluble gypsum yog cais los ntawm cov tshuaj tiv thaiv los ntawm kev pom.
phosphoric acid tuaj qhov twg?
Phosphoric acid yog tsim los ntawm cov ntxhia phosphorus, uas pom muaj nyob hauv lub cev. Nws ua haujlwm nrog calcium los tsim cov pob txha thiab cov hniav. Nws kuj pab txhawb rau lub raum ua haujlwm thiab txoj hauv kev uas koj lub cev siv thiab khaws cia lub zog.
phosphoric acid yog dab tsi?
Ntshiab phosphoric acid yog crystalline khoom (melting point 42.35 ° C, los yog 108.2 ° F); nyob rau hauv tsawg concentrated daim ntawv nws yog ib tug colorless syrupy kua. Cov kua qaub crude yog npaj los ntawm phosphate pob zeb, thaum cov kua qaub ntau dua yog tsim los ntawm cov phosphorus dawb. Orthophosphoric acid, H3PO4, feem ntau hu ua yooj yim phosphoric acid.
Cov dej qab zib dab tsi siv phosphoric acid?
Ntxiv rau lawv saj. Coca-Cola European Cov Neeg Koom Tes siv cov phosphoric acid tsawg heev hauv qee qhov ntawm Coca-Cola cov dej qab zib, xws li Coca-Cola Classic, Diet Coke, Coca-Cola Zero Qab Zib thiab Dr Pepper. Nws ua rau lawv tartness.
Vim li cas phosphoric acid hauv Coke?
Phosphoric acid yog txhob txwm muab ntxiv rau cov dej qab zib kom lawv muaj tsw dua . Nwskuj slows txoj kev loj hlob ntawm cov pwm thiab kab mob, uas yuav txwv tsis pub ntau sai nyob rau hauv cov kua qab zib. Yuav luag tag nrho cov acidity ntawm soda pop los ntawm phosphoric acid thiab tsis yog los ntawm carbonic acid los ntawm yaj CO2.
