Assertion: benzoic acid's compound | /r/HasProperty | component b
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Source sentences:
text: When a manganese compound (component B) is used in combination with a nickel compound (component A) at the specified ratios of the catalyst in accordance with this invention, the formation rate of by-products such as carbon monoxide, carbon dioxide, formic acid, and acetic acid, decreases, and the selectivity of benzoic acid production from toluene improves.
text: Nevertheless, when a manganese compound (component B) is combined with a nickel compound (component A) at the specific ratios according to the invention, a far higher catalytic activity compared with using each of the compounds alone (particularly the nickel compound or manganese compound alone), can be achieved.
text: At temperatures not lower than lC. but lower than 185C, the synergistic effect of components A and B can be satisfactorily achieved only when component A is predominantly present in the catalyst, probably due to the weak catalytic activity of the manganese compound (component B).
text: As the nickel compound (component A) and manganese compound (component B) useful for the invention, those which are soluble in the reaction mixture are preferred, but difficulty soluble or insoluble compounds which are convertible to soluble form in the reaction mixture may also be used.