Retention and selectivity surfaces of deoxyribonucleotides in reversed

Chromatographic characterization of some dideoxyribonucleosides. Nan-In Jang , Phyllis R. Brown , Eli Grushka. Journal of Chromatography A 1991 550, 5...
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Anal. Chem. 1988. 60.2104-2110

2104

Table 111. Simultaneous Determination of Cu and Fe in Tap Water element

initial ppb"

ppb added

CU" Fe" Cub Feb

40.0 f 0.7 13.1 f 0.2

50.0 50.0

ppb foundc % recovery 90.9 f 2.0 64.3 f 1.3

101.8 102.4