Sodium Nitrate - Ib qho tshuaj zoo heev thiab muaj txiaj ntsig zoo

Cov mis mos molecular: NaNO₃
Molecular Luj: 84.99

Sodium nitrateyog cov tshuaj sib xyaw nrog cov mis NaNO₃. Qhov no alkali hlau nitrate ntsev kuj hu uaChile ntsev(loj deposits uas yog keeb kwm mined nyob rau hauv Chile)^[4][5]kom paub qhov txawv ntawm cov ntsev zoo tib yam, potassium nitrate. Cov ntxhia hauv daim ntawv tseem hu ua nitratine, nitratite lossis dej qab zib nitrate.

Sodium nitrate yog ib qho dawb delquescent khoom soluble hauv dej. Nws yog ib qho yooj yim muaj peev xwm ntawm nitrate anion (NO₃⁻), uas yog ib qho tseem ceeb nyob rau hauv ntau yam kev tshwm sim ua nyob rau hauv industrial scales rau zus tau tej cov chiv, pyrotechnics, pa luam yeeb foob pob thiab lwm yam explosives, iav thiab pottery enamels, zaub mov preservatives (piv txwv li nqaij), thiab khoom foob pob ua ntxaij propellant. Nws tau raug mined ntau heev rau cov hom phiaj no.

Feem ntau sodium nitrate yog siv nyob rau hauv chiv, qhov twg nws muab ib tug dej-soluble daim ntawv ntawm nitrogen. Nws siv, uas feem ntau yog sab nraud ntawm cov teb chaws tau nyiaj siab, yog qhov txaus nyiam vim nws tsis hloov pH ntawm cov av. Lwm qhov kev siv loj yog ua ntxiv rau ammonium nitrate hauv cov khoom tawg. Molten sodium nitrate thiab nws cov kev daws teeb meem nrog cov poov tshuaj nitrate muaj qhov zoo thermal stability (txog 600 degree) thiab muaj peev xwm kub kub. Cov khoom no yog tsim rau thermally annealing hlau thiab khaws cia thermal zog nyob rau hauv daim ntawv thov hnub ci.

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