Reference electrode with free-flowing free-diffusion liquid junction

socket (LEMO RA.0A.250); (2) upper body of calomel half cell (Delrin);. (3) Pt wire; (4) .... (21) were used for all calculations (see also the comput...
0 downloads 0 Views 2MB Size
2585

Anal. Chem. 1988, 58. 2585-2589

Figure 2. *'AI NMR spectra of (a) 10 pglml AI solution, vertical scale 5 X , and (b) 10 pg/mL AI solution 4- HCI.

different chemical environments. Following installation of the new preamplifier,the detection limit for nonacidified samples when employing lo00 scans &e., 13 min run time) was 10 wg/mL Al. Acidification of samples