CAJ | 학술논문

根据河南某地区金红石矿的矿物组合特征进行试验研究，采用氟化氢铵和盐酸混合溶剂排除其他矿物组分中的二氧化钛，利用焦硫酸钾熔融残渣，盐酸酸化后 ICP-OES 等离子电感耦合发射光谱法测定金红石含量。在所选试验条件下，利用本矿区空矿加标回收率为98.77%～99.80%，精密度(RSD, n=20）小于3.5%。
근거하남모지구금홍석광적광물조합특정진행시험연구，채용불화경안화염산혼합용제배제기타광물조분중적이양화태，이용초류산갑용융잔사，염산산화후 ICP-OES 등리자전감우합발사광보법측정금홍석함량。재소선시험조건하，이용본광구공광가표회수솔위98.77%～99.80%，정밀도(RSD, n=20）소우3.5%。
Experimental?studies?are?made?based?on?the?mineral?assemblage?features?of?the?rutile?ore?in?an?area?of?Henan?Province.?Titanium?dioxide?in?other?mineral?components?is?excluded?by?the?mixed?solvent?of?ammonium?bifluoride?and?hydrochloric?acid.?Potassium?pyrosulfate?is?used?to?melt?the?residue.?And?the?ICP-OES?inductively?coupled?plasma?optical?emission?spectrometer?is?used?to?determine?the?rutile?content?after?hydrochloric?acid?acidates.?Under?the?chosen?experimental?condition,?the?adding?standard??recovery?of?using?the?mining?area’s?empty?ore?is?98.77%~99.80%?and?the?precision?degree?(RSD,?n=20)?is?lower?than?3.5%.