The primary object of these experiments was to obtain a series of accurate determinations of the V. P. of aqueous NaCl solutions at 18° C., which might be used as a scale of reference for the determination of the V. P. of other salt solutions at the same temperature by the isopiestic...
General method for the standardization of Barium chloride solutions used in the precipitation titration of sulphates Titer of NaCl 0.1 mol/L / M536 General method for the standardization of sodium chloride solutions for use in silver determinations. Titer of 1/2 H2SO4 0.1 mol/L / M535 Gen...
Concentrated sodium chloride solutions are commonly used in electrochemical machining and a knowledge of their conductance is important. A study was made of the conductivity of a range of concentrations from 0.01 M to 5 M to temperatures >500°C and to pressures of 2000bar. The conductances ...
Density gradients are usually prepared from solutions or sols of materials, which are considerably denser than water. The density of most gradient solutions is greater than 1.0 gm/cm3. Excluding nonaqueous gradients for the present, the properties of the ideal solute for gradients are—freely ...
The apoA-I (20 μl/ml)-conditioned medium of the 12 wells (12 ml) was centrifuged at 1.64 × 105 g for 24 h at 4°C in a Hitachi (Tokyo, Japan) CP80b ultracentrifuge and the bottom 3.4 ml was collected. This fraction was overlaid on top of sucrose solutions of densities 1.31 g...
43, 44 and Supplementary Table 7. Accordingly, slight shrinkage of the Fe‒N bond length could fix the dual Fe sites during the OER, thus avoiding possible dissolution and improving stability45.The A-Fe2S1N5/SNC electrode exhibited electrochemical durability after 2000 h of continuous ...
Density, viscosity, and surface tension of water+ethanol mixtures from 293 to 323K Density, viscosity, and surface tension of liquids are important physicochemical properties which affect mass and heat transfer in solutions. The density, ... IS Khattab,F Bandarkar,MAA Fakhree,... - 《Korean ...
The pH was then adjusted to 5.5 with 0.1 M sodium hydroxide. Finally, 500 µl of Subsequently, a solution of CuCl2 (concentration of 5 mM, dissolved in deionised water, without adjusting the pH) was added, and the silicon wafer was then shaken on the shaking table (at 800 rpm) for ...
Cellular models are needed to study human development and disease in vitro, and to screen drugs for toxicity and efficacy. Current approaches are limited in the engineering of functional tissue models with requisite cell densities and heterogeneity to ap
A model, based on Helmholtz energy, describing the thermodynamics of NaCl solutions in the near-critical region of water has been developed and tested as a function of temperature (350-402 °C), pressure (18-41 MPa), and solute concentration (0-5 m) using literature heat of dilution (Δ...