ERRATUM

Table 1 was accidentally omitted from the paper by Izquierdo, Compafio and Bars, Tulunru, 1986, 33, 463, and is printed below.

Table 1. Characteristics of the spectrophotometric deter- mination of zinc with 5,7-dichloro-2-methyl-Shydroxy-

auinoline

Lx 405 nm Colour stability 5 hr pH range of maximum 6.0-9.5

absorbance Reagent concentration 2.4 x lo-’ - 2.0 x 10-z A4* Beer’s law range 1.0-23 &ml* Molar absorptivity 5.9 x 10’ l.mole-’ .cm-’ Precision f0.6% Detection limitz6 0.05 pg/ml

*Higher concentrations were not investigated.