reactivity and toxicity of a metal is quite different. In this research, vanadium speciation in IPA has ... 다. 이렇게 보정한 결과는 고압 산분해법으로 분석한 결과와 잘 일치하였다.The sample pretreatment technique in the analysis of Si3N4 ... using ICP-AES was studied.Various methods for dissolving Si3N4 have been studied. In this work, Si3N