Phosphoric acidyog ib hom inorganic acid nrog cov tshuaj formula H3PO4.Tsis yooj yim rau volatilize, tsis yooj yim rau decompose, yooj yim rau deliquescence nyob rau hauv cov huab cua.Phosphoric acid yog nruab nrab-muaj zog acid nrog crystallization point ntawm 21 ° C.Thaum qhov ntsuas kub qis dua qhov ntsuas kub no, hemihydrate crystals yuav precipitated.Cov cua sov yuav poob dej kom tau txais pyrophosphoric acid, thiab tom qab ntawd poob dej ntxiv kom tau txais metaphosphoric acid.Phosphoric acid muaj cov cuab yeej ntawm cov kua qaub, nws cov acidity tsis muaj zog dua li hydrochloric acid, sulfuric acid, nitric acid, tab sis muaj zog dua acetic acid, boric acid, thiab lwm yam.
siv:
Tshuaj: Phosphoric acid tuaj yeem siv los npaj cov tshuaj uas muaj phosphorus, xws li sodium glycerophosphate.Kev ua liaj ua teb: Phosphoric acid yog ib qho tseem ceeb raw khoom rau zus tau tej cov phosphate chiv (superphosphate, poov tshuaj dihydrogen phosphate, thiab lwm yam), raws li zoo raws li rau zus tau tej cov cov as-ham (calcium dihydrogen phosphate);
Khoom noj khoom haus: Phosphoric acid yog ib qho ntawm cov khoom noj ntxiv.Nws yog siv los ua cov kua qaub thiab cov poov xab hauv cov khoom noj.Coca-Cola muaj phosphoric acid.Phosphate kuj yog ib qho tseem ceeb ntawm cov khoom noj ntxiv thiab tuaj yeem siv los ua cov khoom noj khoom haus ntxiv;
Kev lag luam: Phosphoric acid yog ib qho tseem ceeb ntawm cov khoom siv raw, thiab nws cov haujlwm tseem ceeb yog raws li hauv qab no;
1. Kho cov hlau nto los ua ib qho insoluble phosphate zaj duab xis ntawm cov hlau nto los tiv thaiv cov hlau los ntawm corrosion;
2. Sib xyaw nrog nitric acid ua cov tshuaj polishing los txhim kho qhov smoothness ntawm cov hlau nto;
3. Phosphate esters, raw khoom rau kev tsim cov tshuaj detergents thiab tshuaj tua kab;
4. Cov khoom siv raw rau kev tsim cov phosphorus-muaj nplaim retardants;
Kev ceev faj thaum siv phosphoric acid:
Txhawm rau tiv thaiv daim tawv nqaij los ntawm phosphoric acid, peb pom zoo kom hnav cov khaub ncaws tiv thaiv xws li khau looj plab hlaub, tiv thaiv khaub ncaws thiab hnab looj tes, peb kuj xav kom koj yuav cov tawv nqaij ua los ntawm cov roj hmab ntuj, polyvinyl chloride, nitrile roj hmab, butyl roj hmab los yog neoprene tiv thaiv iav.
Txhawm rau tiv thaiv lub ntsej muag lossis ob lub qhov muag los ntawm kev khaus thiab corrosive, peb pom zoo kom siv cov tsom iav kev nyab xeeb rau kev tiv thaiv tshuaj.
Ntxiv nrog rau qhov tso pa tawm dav dav, peb pom zoo kom siv cov pa tso pa hauv zos kom tsis txhob muaj kev pheej hmoo ua pa thaum siv phosphoric acid, txhua qhov tsim nyog yuav tsum tau ceev faj ib puag ncig, thiab cov pa taws yuav tsum tau tso tawm ncaj qha rau sab nraum zoov.
Post lub sij hawm: Aug-09-2022