Progress in Materials Analysis
Vol. 2
Page
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Article
Statistical investigations of interferences in graphite furnace atomic absorption spectroscopy
Im ersten Abschnitt werden die verschiedenen Möglichkeiten zur Untersuchung von Störungen des zeitabhängigen Signals bei der flammenlosen AAS aufgezeigt, wobei besondere Bedeutung den faktoriellen Versuchsplän...
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Article
Statistical investigations of interferences in graphite furnace atomic absorption spectroscopy
Interferenzen, die bei der flammenlosen Bestimmung von Cadmium in der HGA 72 auftreten, wurden bei HCl, HNO3, H2SO4, H3PO4, HClO4 und HF studiert; die AbhÄngigkeit ihres Auftretens von der thermischen Vorbehandlu...
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Article
Statistical investigations of interferences in graphite furnace atomic absorption spectroscopy
Interferenzen, die bei der flammenlosen Bestimmung von Blei in der HGA 72 auftreten, wurden bei HCl, HNO3, H2SO4, H3PO4, HClO4, HF und einigen Kationen studiert. In gewissen Fällen reicht ein nur 1000 facher Über...
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Article
Development of EDXRF techniques for the quantitative multielement analysis of urban dust samples
The investigation and monitoring of suspended particulate matter in air require accurate and sensitive multielement analysis of large numbers of samples. In the work described, airborne particles and settled u...
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Article
X-ray fluorescence determination of traces of selenium in organic and biological matrices
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Article
Improved digital filtering for automated spectral deconvolution in energy dispersive X-ray fluorescence analysis
For the quantitation of overlap** peaks in energy dispersive X-ray fluorescence analysis, a computer program has been developped. It is based on a linear least-squares deconvolution of digitally filtered spe...
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Article
A chromatographic response function for automated optimization of separations
A chromatographic response function is studied that is sensitive to important criteria of analytical performance: selectivity, accuracy, precision and time required to perform the separation. This function can...
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Chapter
Optimization Strategies for Chromatographic Analysis of Multi-Component Mixtures
In column-chromatographic analysis of biological samples, complex chromatograms with long elution times are often encountered. Once the general separation conditions have been chosen, e.g. type and mode of use...
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Book and Conference Proceedings
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Article
Ein modernes Informationssystem für die toxikologische Analytik auf der Basis des (IV+V)-Systems
After a short description of the background and fundamentals, a program system for a microcomputer is described that permits the implementation of a laboratory-specific database and information system. Due to ...
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Article
Surfaces and materials of electrothermal atomic absorption spectrometry — more than a merely morphological study
Es wird ein Überblick über morphologische Studien an Oberflächen der elektrothermischen AAS mit Hilfe der Rasterelektronenmikroskopie gegeben. Prinzipielle Möglichkeiten werden diskutiert wie Störungen, die mi...
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Chapter
Phonons and Optical Properties of Si/Ge Superlattices
Short period Si/Ge superlattices are new semiconductor materials whose band structure and consequently whose electrical and optical properties can be changed in a wide range. New device applications are expect...
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Chapter
Realization of Short Period SI/GE Strained-Layer Superlattices
We present experimental studies of growth, structural, and phonon properties of ultrashort period Si/Ge superlattices. The samples are grown by molecular beam epitaxy both on Si and Ge substrates with differen...
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Chapter
Strained Layer Heterostructures and Superlattices Based on Group IV Elements
Heterostructures and superlattices based on the group IV elements Si, Ge and α-Sn are fabricated by low temperature molecular beam epitaxy. The main problems of high quality growth are the large lattice mismat...
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Article
A neural network approach to qualitative analysis in inductively coupled plasma-atomic emission spectroscopy (ICP-AES)
The use of a simple neural network, the Bidirectional Associative Memory (BAM), is described for the qualitative and semiquantitative analysis in ICP-AES. A computer program was developed linking the BAM to th...
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Chapter and Conference Paper
Single-Mode Stimulated Emission in a Quantum-Wire Laser Fabricated by Cleaved-Edge Overgrowth
We have used the molecular beam growth technique, we call Cleaved Edge Overgrowth to fabricate highly efficient lasers, which operate in the ID quantum limit. The active region of our laser consists of quantum...
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Chapter
Binding of Electrons and Holes at Quantum Wires Formed by T-Intersecting Quantum Wells
Calculations are made of the properties of quantum wires formed by two or more GaAs/AlGaAs quantum wells intersecting at right angles in a T-configuration.This T-intersection geometry has taken on additional r...
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Chapter
GaAs/AlGaAs quantum wire lasers and other low-dimensional structures fabricated by cleaved edge overgrowth
Cleaved edge overgrowth—a molecular beam epitaxy technique which incorporates two sequential growth steps along orthogonal crystal directions —was employed to fabricate lasers containing an array of 22 quantum...
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Article
A proposal for a new term to describe traceability to a sample
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Article
Glossary of Analytical Terms (II)
