Khoom Description
PHOSPHORIC ACID 85 feem pua rau cov khoom noj ntxiv
1.Cov khoom qhia
Daim ntawv thov:
1) Kev ua liaj ua teb: phosphoric acid yog cov khoom siv raw rau kev tsim cov phosphate chiv tseem ceeb (calcium superphosphate, potassium dihydrogen phosphate, thiab lwm yam) thiab pub zaub mov (calcium dihydrogen phosphate).
2) Kev lag luam: phosphoric acid yog ib qho tseem ceeb tshuaj raw khoom. Nws lub luag haujlwm tseem ceeb yog raws li hauv qab no:
a) Kho cov hlau nto thiab tsim cov phosphate zaj duab xis insoluble ntawm cov hlau nto los tiv thaiv cov hlau los ntawm corrosion.
b) Sib tov nrog nitric acid ua tshuaj polishing tus neeg sawv cev los txhim kho qhov tiav ntawm cov hlau nto.
c) Phosphate ester yog cov khoom siv raw rau kev tsim cov khoom ntxuav thiab tshuaj tua kab.
d) Cov khoom siv raw rau kev tsim cov phosphorus uas muaj cov nplaim hluav taws.
3) Khoom noj khoom haus: phosphoric acid yog ib qho ntawm cov khoom noj ntxiv. Raws li tus neeg sawv cev qaub thiab cov poov xab hauv cov zaub mov, coke muaj phosphoric acid. Phosphate kuj yog ib qho khoom noj khoom haus tseem ceeb thiab tuaj yeem siv los ua zaub mov noj.
4) Tshuaj: phosphoric acid tuaj yeem siv los npaj phosphorus uas muaj tshuaj, xws li glycerol, sodium phosphate, thiab lwm yam.
2. COA
3. Cov duab
1) Kev ua liaj ua teb: phosphoric acid yog cov khoom siv raw rau kev tsim cov phosphate chiv tseem ceeb (calcium superphosphate, potassium dihydrogen phosphate, thiab lwm yam) thiab pub zaub mov (calcium dihydrogen phosphate).
2) Kev lag luam: phosphoric acid yog ib qho tseem ceeb tshuaj raw khoom.
3) Khoom noj khoom haus: phosphoric acid yog ib qho ntawm cov khoom noj ntxiv. Raws li tus neeg sawv cev qaub thiab cov poov xab hauv cov zaub mov, coke muaj phosphoric acid. Phosphate kuj yog ib qho khoom noj khoom haus tseem ceeb thiab tuaj yeem siv los ua zaub mov noj.
4) Tshuaj: phosphoric acid tuaj yeem siv los npaj phosphorus uas muaj tshuaj, xws li glycerol, sodium phosphate, thiab lwm yam.
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