Sentence examples for hard acid from inspiring English sources

Fe III), on the other hand, is a hard acid, hence its low removal efficiency.

As III) is a hard acid and preferentially complexes with oxides and nitrogen.

Since boron is a hard acid, soft (CF3SO2 2N− anion can not be trapped effectively.

In the presence of F−, the boronate ester, a "hard acid", strongly reacts with F−, a "hard base".

According to Pearson's classification, Cr III) and Cr VI) are categorized as a hard acid, and amine is classified as a hard base.

According to Pearson's Hard-Soft Acid-Base (HSAB) theory [16], a soft acid and a soft base bind more tightly than a soft base and a hard acid.

Hard acids include the proton; sodium, calcium, and aluminum ions; and carbonium ions.

Nevertheless, a surprising amount of factual information can be coordinated on the basis of preferential reactions of hard acids with hard bases and soft acids with soft bases.

Hard acids and bases are small and nonpolarizable, whereas soft acids and bases are larger and more polarizable.

This kind of behaviour has led to a classification of Lewis acids and bases into "hard" and "soft" categories; as a rule, hard acids react preferentially with hard bases and, similarly, soft acids react with soft bases.

The terms hard and soft are chosen to suggest that the atomic structures associated with hard acids and bases are rigid and impenetrable, whereas those associated with soft acids and bases are more readily deformable.