There's a new record holder for the most accurate clock in the world. Researchers at the National Institute of Standards and ...

Ion-pair formation constants (Kn0, n = 1, 2) of Na2SO4, Na2S2O3, Na2CrO4, CaCl2, CdCl2, CdBr2, and CdI2 in water were determined at 298 K and an ionic strength of 0 mol·dm−3 by potentiometry with Na+- ...

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Conversely, Mg 2+ ions precipitated directly on the active sites due to favorable precipitation conditions induced by the elevated local pH, which impaired the catalytic performance. In contrast, Ca ...