alkaline-earth metal

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  • noun

Synonyms for alkaline-earth metal

any of the bivalent metals of group II of the periodic table (calcium or strontium or barium or magnesium or beryllium)

References in periodicals archive ?
The enhancement of O2-binding and catalytic oxidation activities by the oxa aza crown ether ring of the cobalt complexes as well as the complexed alkali metal and alkaline-earth metal ions were discussed.
Chapters are systematically compiled by groups of the periodic table, with subsections for each element in the group and each alkaline-earth metal treated in order within the subsection.
Henkel Corporation has received a patent for a flame-retardant composition comprised of a flame retardant formulation consisting essentially of at least one melamine compound, at least one metal borate, and at least one alkaline-earth metal hydroxide; at least one thermosetting resin; and an inorganic filler material present in the composition in an amount ranging from about 1 to about 60 weight percent on a basis of total weight of the composition, wherein the composition is substantially free of compounds containing a halogen, an antimony, or a phosphorus.
It consists, by weight, of 0.5-2.5% of a map odor counteractant selected from amyl cinnamaldehyde, benzophenone, benzyl benzoate, benzyl isoeugenol, benzyl phenyl acetate, benzyl salicylate, butyl cinnamate, cinnamyl butyrate, cinnamyl isovalerate, cinnamyl propionate, decyl acetate, ethyl myristate, isobutyl cinnamate, isoamyl salicylate, phenethyl benzoate, phenethyl phenyl acetate, triethyl citrate, tripropylene glycol n-butyl ether and combinations thereof; approximately 95% of at least one of an alkali metal inorganic salt and an alkaline-earth metal inorganic salt; 0.5-5% by weight aluminosilicate; and an odor masking agent.
Key statement: According to a method for producing a modified conjugated diene rubber, the method involves a step of obtaining a modified conjugated diene rubber by reacting a conjugated diene compound or a conjugated diene polymer which is obtained by polymerizing a conjugated diene compound and an aromatic vinyl compound and has an alkali metal or alkaline-earth metal active end, with a first hydrocarbyloxysilane compound having an alkyl polyether group and a group convertible into an onium, and a conjugated diene rubber which can be used as a starting material for a crosslinked rubber that is used in applications such as a tire tread and is capable of improving the low fuel consumption performance is provided.