Additions and Corrections

Flow injection on-line group preconcentration and separation of (ultra)trace rare earth elements in environmental and geological samples by precipitation using a knotted reactor as a filterless collector for inductively coupled plasma mass spectrometric determination

Xiu-Ping Yan, Robert Kerrich and M. Jim Hendry

J. Anal. At. Spectrom., 1999, 14, 215. Amendment published 24th November 1999

In Table 5 the determined concentration (mg l^–1) of La in SRL5-3 should be 0.180 rather than 0.810 as misprinted in the paper.

The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.