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Use of Automated Combustion Techniques for Total Carbon Total Nitrogen and Total Sulfur Analysis of Soils1 -- Fluorometry and Nephelometry: Techniques and Uses in Soil Plant and Water Analysis -- Gas Chromatography: Techniques and Uses in Soil Plant and Water Analysis1 -- Atomic Absorption and Flame Photometry: Techniques and Uses in Soil Plant and Water Analysis -- Neutron Activation: Techniques and Possible Uses in Soil and Plant Analysis -- Electron Microprobe: Techniques and Uses in Soil and Plant Analysis1 -- Specific Ion Electrodes: Techniques and Uses in Soil Plant and Water Analysis -- X-Ray Emission Spectrograph: Techniques and Uses for Plant and Soil Studies1 -- Simultaneous Determinations of Phosphorus Potassium Calcium and Magnesium in Wet Digestion Solutions of Plant Tissue by AutoAnalyzer1 -- Determination of Phosphorus Potassium Calcium and Magnesium Simultaneously in North Carolina Ammonium Acetate and Bray P1 Soil Extracts by AutoAnalyzer1 -- Front Matter.
"A second-generation flame spectometer for the direct determination of phosphorus in water was evaluated. Response to phosphorus in the form of phosphoric acid was linear from 0.5 to 16 ppm phosphorus. The relative standard deviation was approximately constant at 20 percent over the range. River water and municipal sewage effluent were analyzed after the addition of phosphoric acid (1.8 ppm P) and filtration through a series of microporous membranes. Recovery of the added phosphorus averaged 70 percent for the river water and 95 percent for the sewage effluent after treatment with cation exchange resin. There was no clear relation to filter pore size in the range 5 to 0.2 micrometers. Analyses of the higher range EPA Nutrient Reference Samples (approximately 0.5 ppm P) agreed within one standard deviation with the reference values, both for inorganic and total phosphorus. The lower concentration range samples (approximately 0.1 ppm P) gave barely detectable signals. Suggestions are given for further development of the instrument. -- Abstract
A practical guide to the methods in general use for the complete analysis of silicate rock material and for the determination of all those elements present in major, minor or trace amounts in silicate and other rocks that are routinely, commonly or occasionally determined by methods that are considered to be essentially chemical in character. Such methods include those based upon spectrophotometry, flame emission spectrometry and atomic absorption spectroscopy, as well as gravimetry, titrimetry and the use of ion-selective electrodes. Separation stages are described in full, using precipitation, solvent extraction, distillation, and ion-ex procedures as appropriate. The third edition has been fully revised and updated.
Spurenanalyse von den theoretischen Grundlagen über die apparative Ausrüstung bis zur Probenpräparation - dieses Buch bringt Ihr Wissen über ICP-MS, HPLC-AAS, HPLC-ICP-MS und konventionellere Methoden auf den aktuellsten Stand. Viele Illustrationen und Beispiele aus der Praxis - so der biologischen Analytik und der Analytik hochreiner Materialien - empfehlen das Buch besonders für fortgeschrittene Studenten und Graduierte.