NDLI: Electric conductivity of water extracts from soil as a measure of their ionic strength

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Electric conductivity of water extracts from soil as a measure of their ionic strength

Content Provider	NASA Technical Reports Server (NTRS)
Author	Crnogorac, S.
Organization	The National Aeronautics and Space Administration (NASA)
Copyright Year	1973
Abstract	THE PROBLEM IS DISCUSSED OF DETERMINING IONIC ACTIVITY RELATIVE TO THE ACTIVITY COEFFICIENT F IN WATER EXTRACTS OF SOIL. THE ACTIVITY COEFFICIENTS ARE CALCULATED USUALLY BY THE DEBYE-HUCKEL FORMULA, IN WHICH THE IONIC STRENGTH REMAINS, AFTER THE ADMISSIBLE SIMPLIFICATION, THE ONLY INDEPENDENT VARIABLE. IT IS CALCULATED FROM ANALYTICAL CONCENTRATIONS, WHICH TAKES MUCH TIME AND WORK. THE MEASUREMENT OF THE ELECTRIC CONDUCTIVITY IS SIMPLE AND FAST, AND CORRELATES WELL WITH IONIC STRENGTH. EXPERIMENTS WERE MADE WITH SYNTHETIC SOLUTIONS AND WITH SOIL WATER EXTRACTS USING THE RESULTS FROM GREENHOUSE EXPERIMENTS. THE LIMITS OF THE METHOD WERE ALSO DETERMINED WITH REGARD TO THE PH VALUE OF THE SOLUTION.
File Size	299157
File Format	PDF
Alternate Webpage(s)	http://www.archive.org/details/nasa_techdoc_19730020645
Archival Resource Key	ark:/13960/t3708sh3h
Language	English
Publisher Date	1973-08-01
Access Restriction	Open
Subject Keyword	Computerized Simulation Data Acquisition Flight Characteristics Military Aircraft Propulsion System Configurations Reconnaissance Aircraft Supersonic Speed Aerodynamic Characteristics Aerodynamic Configurations Aircraft Performance Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text

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