2.Sample was digested in polytetrafluorethylene sealed vesssle by nitric acid-perhydrol or high chloric acid-perhydrol, Hg As Pb were simultaneously determinated by ICP-AES.
采用高压样弹,将样品用硝酸-过氧高氯酸-过氧解后,用ICP-AES法对汞砷铅连续定。
3.Has old Z met a ghost?Old z has designed that perhydrol constitutes fuel , that has been a pretty difficult thing in wanting to let perhydrol dissolve to fringe benefit.