منابع مشابه
Low Electrolytic Conductivity Standards
Standards of low electrolytic conductivity were developed to satisfy the demands of the U.S. Navy and American industry for the measurement of high quality water. The criteria for the selection of appropriate solvent and solutes, based on the principles of equivalent conductivity and Onsager's limiting law, are described. Dilute solutions of potassium chloride and benzoic acid in 30 % n-propano...
متن کاملProposed New Electrolytic Conductivity Primary Standards for KCl Solutions
An absolute determination of aqueous electrolytic conductivity has been made for 0.01 molal (m) and 0.1 m potassium cliloride solutions, over the temperature range of 0 to 50 °C in 5 degree intervals. A cell with a removable center section of accurately known length and area was used for the measurements. Values were adjusted to be in conformity with the ITS-90 temperature scale. The overall un...
متن کاملPrimary certification of reference material for electrolytic conductivity of bioethanol
Nowadays the preservation of the planet is spreading into the international scene with the use of renewable energy sources such as bioethanol. The challenge is to guarantee the quality of produced bioethanol, and the electrolytic conductivity (EC) is one of the specified parameters for this purpose. However, is necessary to demonstrate the metrological traceability of the measurement results fo...
متن کاملStability of Standard Electrolytic Conductivity Solutions in Glass Containers
The stability of solutions having an electrolytic conductivity, κ , of 5 μS/cm to 100 000 μS/cm packaged in glass screw-cap bottles, glass serum bottles, and glass ampoules was monitored for 1 year to 2 years. The conductivity was determined by measuring the ac resistance of the solution. Mass loss was also monitored for solutions packaged in bottles. The solutions were prepared using KCl in wa...
متن کاملElectrolytic Conductivity Detector for Trace Analysis of Hz, Hd, D2, and Neon in Hydrogen and Deuterium”
SLAC-PUB-1667 (Rev.) November 1975 Revised May 1976 (1) ELECTROLYTIC CONDUCTIVITY DETECTOR FOR TRACE ANALYSIS OF HZ, HD, D2, AND NEON IN HYDROGEN AND DEUTERIUM” E. L. Garwin and A. Roder Stanford Linear Accelerator Center Stanford University, Stanford, California 94305 A gas chromatograph has been developed to detect traces of H2, HD, D2, and neon in hydrogen or deuterium. It uses a stainless s...
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ژورنال
عنوان ژورنال: Journal of Research of the National Institute of Standards and Technology
سال: 1995
ISSN: 1044-677X
DOI: 10.6028/jres.100.039