Phosphoric Acid 70
CAS Naj Npawb: 13598-36-2
Formula﹕H₃PO₃
EINECS: 233-663-1
Lub cev lub cev: dawb crystal
UN: 2834 Ntim: 25KG / hnab
PROSPHOROUS ACID
Kev tsim cov H₃PO₃ suav nrog cov kauj ruam tshwj xeeb ntawm lub cev los xyuas kom meej purity thiab ruaj khov. Thaum pib, phosphorus trichloride (PCl₃) yog hydrolyzed los ntawm kev ua tib zoo ntxiv rau dej. Cov txheej txheem no yuav tsum tau ceev faj tswj cov tshuaj tiv thaiv kub, raws li nws yog exothermic heev, tso tawm ib qho tseem ceeb ntawm cov cua sov. Phosphorus trichloride reacts nrog dej los tsim phosphorous acid thiab hydrochloric acid ua byproducts. Cov tshuaj tiv thaiv sib tov yog tom qab ntawd raug rau distillation nyob rau hauv lub siab txo kom cais nws ntawm hydrochloric acid thiab tej impurities. Thaum kawg, cov concentrated nws tov yog txias thiab crystallized kom tawm los ntshiab nws cov muaju, uas yog ces qhuav thiab ntim rau siv nyob rau hauv ntau yam kev siv. Cov txheej txheem no xav tau kev ceev faj vim yog qhov muaj zog heev ntawm cov ntaub ntawv koom nrog.
| Cov khoom kuaj | Sawv |
|
Assay (raws li H3PO3) Ntau dua lossis sib npaug rau % |
98.5% Min |
|
Sulfate (raws li SO4) Tsawg dua lossis sib npaug li % |
0.006%Max |
|
Chloride (raws li CL) Tsawg dua lossis sib npaug rau % |
0.01% Max |
|
Phosphate (raws li PO4) Tsawg dua lossis sib npaug li % |
0.1% Max |
|
Hnyav Hlau (Pb) Tsawg dua lossis sib npaug rau % |
0.001%Max |
Phosphorous acid ua raws li qhov nruab nrab hauv kev sib txuas ntawm phosphite compounds, uas muaj txiaj ntsig zoo hauv kev tsim cov tshuaj tua kab, tshuaj tua kab mob, thiab stabilizers rau plastics. Nws yog ib qho tseem ceeb raw khoom nyob rau hauv ntau yam kev lag luam txheej txheem vim nws cov reactivity siab, yooj yim rau kev tsim cov tebchaw uas tseem ceeb hauv kev ua liaj ua teb thiab cov ntaub ntawv science.
Ua tsaug rau koj tuaj xyuas thiab txais tos koj cov lus nug zoo!
Cim npe nrov: Tuam Tshoj phosphoric acid 70 manufacturers, lwm tus neeg, Hoobkas
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