00408nam a2200157 450000100060000000300030000600500170000900800410002603500190006703500180008605000230010410000180012724500660014525000110021126000280022220000UR20220427164735.0061103|||||||||||||||||||||||||||||||| d a(janium) 19989 a(janium)19988 4aQD139b.T7S36 19781 aSandell, E.B.10aPhotometric determination of traces of metals general aspects a4a ed. bJohn Wiley & Sonsc1978