Abstract
In comparison with classical pneumatic nebulization, a high performance flow/hydraulic high pressure (performance) nebulization (HPF/HHPN sample introduction system) provides for considerably lower matrix interferences as well as higher sensitivity. For copper determination in saturated NaCl solution the signal depression comes only up to 4% (47% with pneumatic nebulization). Applying HHPN sample introduction the sensitivity is 3.7 fold higher in signal height and 7.5 fold higher in signal area (determination of Cu-traces in saturated NaCl solution, 30% w v ). The detection limits are lowered by a factor of about 4. Over an examination period of 3 hr, the relative standard deviation amounts to 3–6% (determination of element traces in saturated solutions of NaCl, LiBO 2, KH 2PO 4).
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