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With Zeeman optics eliminating background contributions due to flame fluctuations, the Z-2300 offers excellent sensitivity and can accurately and reproducibly measure concentrations of Pb of the order of 0.1 mg/mL. Ease of use is enhanced by the automatic setting of combustion conditions and the "easy start" facility which automatically determines the time to begin measurement after sample injection.

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With an even smaller footprint and a built-in autosampler, the Z-2700 provides an extremely compact analysis system. Double beam optics and Zeeman background correction ensure the highest sensitivity without the need for high intensity EDL lamps.

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The new Z-2000 combines outstanding analytical capabilities with ease of use. Hitachi's well-proven DC polarised Zeeman background correction method now features two detectors for simultaneous measurement of the sample and reference beams. This leads to reduced noise and improved sensitivity. A detection limit of 0.1 ppb As is possiible using a conventional hollow cathode lamp. A built-in autosampler on the graphite side can accommodate 60 x 1.5 mL samples and features variable injection speed and hot injection.

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This extensive range of Hollow Cathode Lamps for atomic absorption spectrophotometry is characterised by the lamps' high intensity, stability and long life. The use of these lamps is not restricted to AA spectrophotometers from Hitachi Hiigh Technologies, since they are compatible with most commercially available AA instruments.

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