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How do you choose a technique for elemental analysis?
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Separating HPLC Fractions or Collecting Them?
# 5 Consider arc/spark emission. In 1936, Baird introduced the world's first com mercial grating spectrograph and in 1946 the first commercial direct reading spectrometer, creating important turning points in the history of automated elemental analyses. The spectrograph and spec trometer revolutionized modern industrial chemistry and made it possible for industry to obtain, in min utes, analyses that had previously taken hours by wet chemistry methods. Today, thousands of Baird's optical emission spec trometers are in use throughout the world. From boron at 1 ppm in steel to zinc at 4 0 % in brasses; from wear metals at the ppm level to additives at the per cent level in oil; the Baird Spectrovac and Spectromet define the state-of-the-art in arc/spark emission spectroscopy. For more information about the Baird Spectrovac and Spectromet call or write us at Baird Corporation, 125 Middlesex Turnpike, Bedford, MA 01730. Tel: (617) 276-6094. Telex 923491. See us at the Pittsburgh Conference, Booth H21.
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CIRCLE 117 ON READER SERVICE CARD ANALYTICAL CHEMISTRY, VOL. 54, NO. 2, FEBRUARY 1982 · 245 A