Why excess of sodium carbonate is not used in soda-lime process?
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Soda lime silicate glasses are the perfect matrix for embedding and stabilizing metallic, magnetic, and oxide nanoparticles.
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Lime is used to remove chemicals that cause carbonate hardness. Soda ash is used to remove chemicals that cause non-carbonate hardness. When lime and soda ash are added, hardness-causing minerals form nearly insoluble precipitates. Calcium hardness is precipitated as calcium carbonate (CaCO3).
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