Even BetterWays of Doing What Dohrmann Does Best Detecting halides for GC The Dohrmann® DE-20, a new low cost halide specific detector for gas chromatography, offers sensitivity, linearity and simplicity. When combined with the Dohrmann CP-1 continuous purge module, it measures total purgeable organic halides in drinking water to ±7 ppb. For details circle No. 58 or call our specialist, Doug Jones, collect at (408) 249-6007.
Analyzing water for ppb organic carbon Dohrmann has added the DC-54 ultra-low-level organic carbon analyzer to its well established line of versatile T O C instruments. The DC-54 brings speed, convenience and precision to low-level TOC analysis : purgeables to ± / ppb, non-purgeables to ±10 ppb. For details on Dohrmann TOC analyzers, circle No. 59 or call our T O C specialist, Leon Hiam collect at (408) 249-6002.
Measuring traces of nitrogen, sulfur, and halides Dohrmann microcoulometric systems are leaders in the field for fast, accurate and sensitive determinations of traces of N, S and CI in solids, liquids and gases.
New from Dohrmann, the DN-IO total nitrogen analyzer, using oxidative pyrolysis and chemiluminescence detection, offers even greater convenience when measuring traces of nitrogen in organics. For details, circle No. 60 or call our specialist, Doug Jones, collectât (408) 249-6007. For literature on all Dohrmann products described above, write or circle the reader service number below.
ENVIROTECH
DOHRMANN L-/V-/I
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3240 Scott B u l e v a r d
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Santa Clara, California 95050
CALL TOLL FREE (800) 538-7708 In A l a s k a , C a l i f o r n i a , H a w a i i , Puerto Rico, call collect ( 4 0 8 ) 2 4 9 - 6 0 0 0 See these new instruraents-in CLeveJand at the Pittsburgh Conference, B o o t h 8 0 8 CIRCLE 42 O N READER SERVICE CARD ANALYTICAL CHEMISTRY, VOL. 5 0 , NO. 2, FEBRUARY
1978 · 9 9 A
