氟銻酸鈉的制備及其溶解度測(cè)定研究.pdf

1、中南大學(xué)碩士學(xué)位論文氟銻酸鈉的制備及其溶解度測(cè)定研究姓名：符金開申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：有色金屬冶金指導(dǎo)教師：楊天足20080601中南大學(xué)碩士學(xué)位論文ABSTRACTABSTRACTAnewmethodofpreparingqualifiedsodiumhexafluoroantimonateinthesolutiondirectlyhasbeenproposedinthisarticleinviewoftheproblemofdoi

2、ngittraditionallyintheanhydroussystemTwomethodsofadoptingsodiumantimonateandantimonywhiteastherawmaterialhavebeentestedrespectivelyAtlast，sodiumantimonateischoosedastherawmaterialtodothepilotscaletest，andqualifiedsodiumh

3、exafluoroantimonateproducthasbeenpreparedMeanwhile，solubilityofsodiumhexafluoroantimonatehasbeendeterminedtoinstructthispreparationprocess，andexperimenthasbeenconductedtomakesurethemainaffectingfactorsofitssolubilityFirs

4、tlytheprocessofpreparingsodiumhexafluoroantimonateusingsodiumantimonateastherawmaterialhasbeentestedTheeffectsofdissolvetemperature，thedosageofH202，thedosageofNaFonthequalityofhexafluoroantimonatehavebeeninvestigatedTheb

5、estpreparingconditionshasbeendetermined：NaSb(OH)6：心=l：65，theamountofhydrogenperoxidetothetheory11times，thedissolvetemperature80。C；，dissolvetime2htheamountofNaF050％Secondlytheprocessofpreparingsodiumhexafluoroantimonateus

6、ingantimonywhiteastherawmaterialhasbeentestedTheeffectsofdissolvetemperature，theadditiontimeofH202，thedosageofNaOHonthequalityofhexafluoroantimonatehavebeeninvestigatednebestpreparingconditionshasbeendetermined：Sb203：HF：

7、H202=1：12：2，theadditiontimeofH20220min，thedissolvetemperature80℃；dissolvetime2h，theexcesscoefticientofNaOH105Accordingtothequalityrequirementofsodiumhexafluoroantimonate，thepilotscaletestusingsodiumantimonateastherawmate

8、rialhavebeenaccomplishedThemaincomponentsofsodiumhexafluoroantimonatewereasfollow(％)：Sb4698，Sb(III)0033，F(xiàn)4385，F(xiàn)(dissociative)043，Na886；Theproductioncostofsodiumhexafluoroantimonatewasabout31460yuanpertonThemethodhasbeena