The caption for Figure 4b (the
HPLC separation) should read: 1 = 4-acetamidophenol, 2 = caffeine, 3 =
acetylsalicylic acid, 4 = salicylic acid. Secondly, the capacity factor
(k') listed in Table 1 for norephedrine is
for caffeine, not for norephedrine.
More Information
Citation
Thompson, Lynn; Veening Hans; Strein, Timothy G. J. Chem. Educ.1997 74 1384.
Our Secondary School editors work hard to distill all the JCE materials to produce a fraction of particular interest to high school teachers. We call it CLIC.
In recent years we have worked hard to better match our advertisers with our readers. When shopping for chemistry education materials, visit our advertisers' WWW sites first.
Take JCE along on your outreach missions. Copies of the Journal, guest access to JCE Online, our publications catalog, and more are available for your participants.