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your sample preparation. Give us a call today. Ask for literature #8310. 'spe, spe-10, spe-21 and'BAKER'-Miser are trademarks of J. T. Baker Chemical ...
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Extraction columns for fast, reliable sample preparation

Sargent-Welch High quality reproducible spe* columns for solid phase extraction—the advanced sample preparation technique.

• Technical and Applications Support • Solid Phase Extraction Courses J. T. Baker spe products are available through Sargent-Welch for immediate delivery. See how spe products can help improve your sample preparation. Give us a call today. Ask for literature #8310.

J. T. Baker offers the complete solid phase extraction program: * spe Columns (your choice from over 20 different sorbents) * spe Column Processing Systems (spe-10*. spe-21* and 'BAKER'-Miser*)

"spe, spe-10, spe-21 and 'BAKER'-Miser are trademarks of J. T. Baker Chemical Co.

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ANALYTICAL CHEMISTRY, VOL. 59, NO. 15, AUGUST 1, 1987 · 977 A