Cov Lus Tseeb Ceev: Aqua Regia Aqua regia yog cov kua qaub sib xyaw ua ke ua los ntawm sib txuas nitric acid thiab hydrochloric acid. Qhov feem pua ntawm cov kua qaub li niaj zaus yog 3 feem ntawm hydrochloric acid rau 1 feem ntawm nitric acid. Thaum sib tov cov kua qaub, nws yog ib qho tseem ceeb kom ntxiv cov nitric acid rau hydrochloric acid thiab tsis yog lwm txoj hauv kev.
Dab tsi yog qhov sib xyaw ntawm aqua regia?
Aqua Regia (Latin rau "roj huab tais") yog ib qho acidic, corrosive, thiab oxidative sib xyaw ntawm peb feem concentrated hydrochloric acid (HCl) thiab ib feem concentrated nitric acid (HNO3).
Koj ua li cas ntxuav aqua regia?
Aqua regia sai sai poob nws cov txiaj ntsig vim oxidation ntawm nws cov khoom reactive. Mov tshuaj tshiab rau txhua qhov kev siv. Cov kev daws teeb meem ntau dhau yuav tsum tau nruab nrab nrog sodium bicarbonate thiab muab pov tseg ntawm qhov ntws, tom qab ntawd yaug nrog cov dej ntau ntau.
Koj puas tau sov aqua regia?
Etching ntawm iridium yuav tsum ua kom sov (boiling) aqua regia [1]. Nws kuj tseem siv tau los ntxuav cov iav kom tshem tawm cov kab mob ntawm cov organic tebchaw.
Dab tsi yog qhov piv ntawm aqua regia tov?
Aqua Regia (HNO3 + 3HCl) yog siv los kos kub lossis platinum. Nws yog ib qho sib xyaw ntawm Nitric acid thiab Hydrochloric acid uas yog sib xyaw ua ntej siv. Optimally nws yog nyob rau hauv ib tug molar piv ntawm 1 feem nitric acid rau 3 qhov chaw hydrochloric acid. Thaum freshly tov meej, tigdaj sai heev thiab thaum kawg liab.
