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Excerpt from Spectrographic Determination of Copper in Wheat and Soil
Although there is a gain in sensitivity when the sample is arched on the negative electrede, the arc is more uniform and reproducible when the anode contains the sample. The high temperature of the electrodes melts the sample into a bead in the anode crater, and if the upper electrode is pointed, the are strikes directly into this bead. Pierce, Torres, and Marshall (15) have found that the cathode are vaporizes more carbon and hence causes more background formation on the plate by wandering about the rim of the crater. From these considerations the anode are was chosen for the discharge method in this work.
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Spectrographic Determination of Copper in Wheat and Soil (Classic Reprint)
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Paperback. Zustand: New. Print on Demand. This book investigates the analysis of trace elements in plant and soil samples using the then-novel technique of spectrography. Trace elements are vital to plant life, but are usually found in plants at very low concentrations. The presence of trace elements can be affected by many factors, including the use of fertilizers, the acidity of the soil, and the specific crop grown. The author's work presents a method for analyzing these elements in both soils and plants, using a spectrograph. The author thoroughly explores the spectrographic method, concluding that spectrography is a powerful tool for the analysis of trace elements in plant and soil samples, and provides a valuable resource for further research in this area. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Bestandsnummer des Verkäufers 9781333978044_0
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