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    Chapter

    Spectrophotometric Determination of Rare Earths in Ligand Buffer Masking Systems

    Metal ions such as Fe(III), Al(III), Cr(III), Ti(IV) and Zr(IV) interfere strongly with the spectrophotometric determination of rare earths with organic reagents. We have utilized “ligand buffers” (1) for the ...

    Jai-kai Cheng, Qing-yao Luo, Ru-xiu Cai… in The Rare Earths in Modern Science and Tech… (1982)