alkaline earth

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  • noun

Synonyms for alkaline earth

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 alkali and alkaline earth metal carbonates have a positive effect on the cracking of oxygen-containing functional groups in oil shale.
Which highly reactive alkaline earth metal has the chemical symbol Sr?
They also address dynamical heterogeneities in simulated liquid germanium oxide, microwave-assisted synthesis of layered double hydroxides, and nanotechnology applications of alkaline earth metal phosphonates.
Magnesia or magnesium oxide is an alkaline earth metal oxide.
Key statement: A method for producing a modified conjugated diene polymer comprising a polymerization step of obtaining a conjugated diene polymer containing a nitrogen atom in a polymer chain and an active end by copolymerizing a conjugated diene compound and a nitrogen atom-containing vinyl compound, or a conjugated diene compound, an aromatic vinyl compound and a nitrogen atom-containing vinyl compound by use of an alkali metal compound and/or an alkaline earth metal compound as a polymerization initiator, and a modification step of reacting a modifier.
0% by weight of a compound of the formula R1 (Mn04)n, or mixtures thereof, wherein R1 is H, an alkali-metal, or an alkaline earth metal, and n is 1 when R1 is H or an alkali-metal and 2 when R1 is an alkaline earth metal; and a reducing agent comprising between about 1-3% by weight of a peroxygen compound, or mixtures thereof, wherein the peroxygen compound is hydrogen peroxide, urea peroxide, an alkali-metal peroxide or an alkaline earth metal peroxide.
Alkali and alkaline earth metal cations affect reactivity of oil shales, and leaching of these mineral matters with HCl slightly decreases oil shale conversion to volatile hydrocarbons and affects the reactivity of organic matter at pyrolysis.
This alkaline earth metal has eight more protons than magnesium.
Other topics include wrought magnesium research for automotive applications, the mechanical properties of superlight Mg- Li-Zn alloys, the dissolution and recovery of manganese additions into liquid magnesium, and the effect of alkaline earth metal oxides on magnesium alloys.
The composition does not contain gluconic acid, ethylene diaminetetraacetate sodium salt, 5-bromo-5-nitro-1,3dioxane, any abrasives, silicas, alkaline earth metal carbonates, alkyl glycine surfactants, cyclic imidinium surfactants, alkali metal carbonates or more than 3% by weight of a fatty acid or salt.
A process for the production of an alloy of cross-linked or partially cross-linked rubbers and aromatic polyesters, wherein a mixture of a rubber latex and an aqueous solution of an alkali metal diphenolate or an alkaline earth metal diphenolate is reacted with a solution of a dicarboxylic acid halide and/or a carbonyl halide in a water-immiscible solvent, an aromatic polyester forming at the phase boundary of water/organic solvent, which polyester goes over into the organic phase, and the rubber at the same time going from the aqueous phase into the organic phase, and the organic phase is then separated and the organic solvent is removed.