In addition to its primary function - measuring the specific surface area Sg (BET) of solid sorbents - the instrument also measures the dispersion, the size of the active metal surface, Brinsted and Lewis acidity, and the basicity
and determination of the oxidation degree of the metal cations.
64 (B was defined as the optical basicity
value of the composition excluding [Fe.
This high basicity
, neutral, agglomerated flux has been upgraded and now is especially suited for narrow gap welding because of its good slag detachability, concave weld bead profile and smooth sidewall blending.
Thermogravimetric analysis, elemental analysis by X-ray fluorescence, X-ray diffraction, scanning electron microscopy, surface area, infrared spectroscopy, and basicity
measurements by C[O.
When CO2 dissolves in water it increases ocean acidity, leading to a drop in pH, the scale used to measure acidity or basicity
Oceans cover 70 percent of our planet, and seawater is actually basic, not acidic, but as an estimated 30-40 percent of carbon dioxide released into the atmosphere due to human activity is dissolved in the oceans, the basicity
of seawater reduces and moves toward being pH-neutral, like pure water.
A typical target basicity
for North American cupola operations is 0.
Moreover, CO2-TPD results revealed that the incorporation of Ho in Ni/ZrO2 catalyst fairly enhanced its Lewis basicity
The aim of this work is to receipt the additional experimental acknowledge for the dependency received earlier between basicity
of organic ligand and structure of the coordination sphere of tetrafluoroborate complex.
The results showed that increasing the DOT glycol borate concentrations consequently resulted in increasing the basicity
into wood pellet products as demonstrated by the decreasing intensity of NIR absorbance spectra.
Hanessian adds that this change also decreases the basicity
of aminoglycosides, another desirable result, since it will limit the potential toxicity to humans.
Although various scales were proposed in measurement of acidity and basicity
of a solid surface, the Gutmann's approach which involves acceptor and donor numbers expressing the ability of the probes to act as electron acceptor and electron donor, respectively, is the most frequently used.