Cov Khoom Siv Qib Siab Cov Khoom Muaj Pag Lo Si Silic

HauvHigh-carbona silicon-Manganese pov cov hlau, ntxiv rau ib qho kev suav sulfide, tseem muaj suav nrog muaj silicon, calcium, thiab tsis tshua muaj lub ntiaj teb. Los ntawm kev siv cov txheej txheem xws li kev kub kub nchuav ntawm Molten cov ntsiab lus sib luag, thiab cov qib sib xyaw ua ke kom txo qis, thiab qib kev suav nrog qib rau hauv qab {5}}. 1%. Tom qab sib cav tshuab kom tshem tawm cov kev suav nrog, qhov nyuaj ntawm cov neeg muaj zog ua kom zoo dua, tshwj xeeb yog kev nce qib uas nce qib 21.2%, mus txog 16.6 J \/ CM².

1.Ib txoj kev rau kev txiav txim siab phosphorus hauvHigh-carbona silicon-Aluminum alloys siv photometry suav nrog kev sim tswj thiab kuaj ntsuas ntsuas ntsuas. Kev Tshawb Fawb Kev Tswj: Ntau cov txheej txheem phosphorus nrog kev ua kom zoo nkauj uas muaj cov taum ntshiab uas muaj cov tshuaj txhuam hniav ntshiab pleev lossis cov hmoov txhuas ntshiab. Cov qauv kuaj yog yaj siv nitric acid-hydrofluoric acid, oxidized rau ayrophosphoric acid tau qhuav, thiab tom qab ntawd hloov mus rau ib qho beaker. Nitric acid tau ntxiv mus, ua raws li sodium nitrite kom txog thaum lub xim av nag cua ploj mus. Cov sib tov tau boiled rau 10 vib nas this, molybdate thiab tartaric acid tau ntxiv thiab sharmen, tshuaj chloride tau siv los txo rau phosphorus molybdenum xiav. Cov dej tau siv los ua cov siv, thiab nqus tau ntsuas ntawm 680 NM hauv lub spectrophotometer los tsim txoj kev ua haujlwm lossis laij ib qho sib npaug. Qauv ntsuas ntsuas: Tom qab ua raws li cov kev sim ua ntej ntawm kev tswj hwm, thiab phosphorus cov ntsiab lus, thiab phosphorus cov ntsiab lus, thiab phosphorus cov ntsiab lus, thiab phosphorus cov ntsiab lus, thiab phosphorus cov ntsiab lus, thiab phosphorus cov ntsiab lus, thiab phosphorus cov ntsiab lus, thiab phosphorus cov ntsiab lus, thiab phosphorus cov ntsiab lus, thiab phosphorus cov ntsiab lus, thiab phosphorus cov ntsiab lus tau raug ntsuas los ntawm kev sib txig sib luag los yog kev ntsuas kev ua haujlwm los ntawm kev ntsuas kev tswj hwm.

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