An Electrical Method Of Determining The Soluble Salt Content Of Soils
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An Electrical Method Of Determining The Soluble Salt Content Of Soils
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Author : Milton Whitney
language : en
Publisher:
Release Date : 1897
An Electrical Method Of Determining The Soluble Salt Content Of Soils written by Milton Whitney and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1897 with Soil physics categories.
An Electrical Method Of Determining The Soluble Salt Content Of Soils
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Author : Milton Whitney
language : en
Publisher:
Release Date : 1897
An Electrical Method Of Determining The Soluble Salt Content Of Soils written by Milton Whitney and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1897 with categories.
An Electrical Method Of Determining The Soluble Salt Content Of Soils
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Author : Milton Whitney
language : en
Publisher: Forgotten Books
Release Date : 2017-10-12
An Electrical Method Of Determining The Soluble Salt Content Of Soils written by Milton Whitney and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-12 with Science categories.
Excerpt from An Electrical Method of Determining the Soluble Salt Content of Soils: With Some Results of Investigations on the Effect of Water and Soluble Salts on the Electrical Resistance of Soils The moist soil is thoroughly mixed with a Dover's egg'beater, securely fastened to a sh elf or table, to distribute the water uniform throughout the mass of soil. The soil must not be mixed with the hands, as the salts from the hands are liable to Vitiate the results, especially in a warm room where the hands are perspiring freely. The soil should be put in a round-bottom bowl or in a heavy glass cover, such as is used in the laboratory to protect apparatus and specimens from dust. With clay soils especially it is well to empty the soil out of the bowl and pour it back again once to insure thorough mixin g of the water or solution throughout the mass of soil. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
An Electrical Method Of Determining The Soluble Salt Content Of Soils With Some Results Of Investigations On The Effect Of Water And Soluble Salts On The Electrical Resistance Of Soils By Milton Whitney And Thos H Means
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Author : Thomas H. Means
language : en
Publisher:
Release Date : 1897
An Electrical Method Of Determining The Soluble Salt Content Of Soils With Some Results Of Investigations On The Effect Of Water And Soluble Salts On The Electrical Resistance Of Soils By Milton Whitney And Thos H Means written by Thomas H. Means and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1897 with categories.
Suggested Method Of Test For Soluble Salts In Soil
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Author : RT. Martin
language : en
Publisher:
Release Date : 1970
Suggested Method Of Test For Soluble Salts In Soil written by RT. Martin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Matter categories.
The method is a rapid, simple procedure for the determination of soluble salt in soils. The electrical conductivity of the supernatant liquid is used to approximate the soluble salts present in the soil pore fluid. The method is not intended to be precise; however, on a relative basis reliable comparisons can be made. At any one location, the method permits very small changes in pore fluid salt concentration to be accurately measured. For a detailed discussion of the method, the reader is referred to "Methods of Soil Analysis, Part 2," Section 62, published by the American Society of Agronomy in cooperation with ASTM.
Electrical Instruments For Determining The Moisture Temperature And Soluble Salt Content Of Souls Classic Reprint
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Author : Lyman J. Briggs
language : en
Publisher: Forgotten Books
Release Date : 2016-09-08
Electrical Instruments For Determining The Moisture Temperature And Soluble Salt Content Of Souls Classic Reprint written by Lyman J. Briggs and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-08 with Technology & Engineering categories.
Excerpt from Electrical Instruments for Determining the Moisture, Temperature, and Soluble Salt Content of Souls The determination of the water content of soils in place by means of the variation in the electrical resistance was first investigated by Prof. Milton Whitney in 1887. He first attacked the problem by meas urin g the variation in the internal resistance of an earth battery, con sisting of alternate copper and zinc plates buried in the soil. This method was found not to be satisfactory on account of the polarization of the plates. Measurements of the resistance between large copper plates buried at' the desired depth were next made with a direct cur rent, but polarization again interfered seriously. The Kohlrausch bridge method, employing alternating currents, was finally successfully used, and various forms of electrodes were tested, difficulty being experienced at that time in maintaining good contact between the electrodes and the soil. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
The Electrical Bridge For The Determination Of Soluble Salts In Soils Classic Reprint
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Author : Royall Oscar Eugene Davis
language : en
Publisher: Forgotten Books
Release Date : 2018-08-26
The Electrical Bridge For The Determination Of Soluble Salts In Soils Classic Reprint written by Royall Oscar Eugene Davis and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-26 with Technology & Engineering categories.
Excerpt from The Electrical Bridge for the Determination of Soluble Salts in Soils In 18975 this Bureau published a description of an electrical instrument to be used for the determination of soluble salts in soils. This instrument was later modified and other publications 0 upon the method were issued. It is now thought advisable to embody the results of further experience in a bulletin which discusses the practical use of the method. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Electrical Instruments For Det
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Author : Lyman J. (Lyman James) 1874-196 Briggs
language : en
Publisher: Wentworth Press
Release Date : 2016-08-25
Electrical Instruments For Det written by Lyman J. (Lyman James) 1874-196 Briggs and has been published by Wentworth Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-25 with History categories.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Measurements Of Soluble Salt Content Of Soils From Arid And Semi Arid Regions
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Author : M. Karakouzian
language : en
Publisher:
Release Date : 1996
Measurements Of Soluble Salt Content Of Soils From Arid And Semi Arid Regions written by M. Karakouzian and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Collapsing soil categories.
Soils with soluble salts occur in arid regions worldwide. Depending on the amount of soluble salts present, treatment of these soils may be needed before construction. In engineering, the amount present is usually determined gravimetrically by finding the weight loss for a soil diluted with a fixed quantity of water. However, if the soluble salt content is evaluated with an insufficient amount of water, some of the salt present may not dissolve. This condition, termed "salt saturation," may cause the amount of soluble salts present to be underestimated. To identify the correct dilution, this paper proposes checking successive dilutions until an unsaturated solution is obtained. This can be accomplished using either gravimetric or electrical conductivity measurements to detect salt saturation. The volume of water used to determine percent soluble salts can then be adjusted accordingly. This paper describes how to find the most suitable dilution using either method and how to determine the percent of soluble salts. Using this approach, five different soils from Las Vegas, Nevada, were evaluated. Unsaturated water-soil dilution ratios ranged from 2:1 to 100:1. In two cases, the 2:1 dilution was adequate, but for the other three it was not. Soil "M" exemplified this best: percent soluble salts increased from 1% measured at a 5:1 dilution (indicating a leave-in-place/no-action recommendation) to 7% at a 100:1 dilution (indicating a removal recommendation). This result illustrates the importance of using an unsaturated dilution for determining percent soluble soil.
Bibliographical Contributions
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Author : National Agricultural Library (U.S.)
language : en
Publisher:
Release Date : 1927
Bibliographical Contributions written by National Agricultural Library (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1927 with Agriculture categories.