1. GC and HPLC interfaced to plasma emission spectroscopy;Krull,1980
2. Trace metal analysis by high performance liquid chromatography;Krull,1984
3. Trace metal analysis and speciation via HPLC-plasma emission spectroscopic detection;Krull;Trends in Analytical Chemistry (TrAC),1984
4. Ion chromatography and liquid chromatography in inorganic speciation studies;Krull,1986
5. New and potentially novel detectors for HPLC and FIA;Krull,1986