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Mg/Ca ratio in solution vs. Mg/Ca in ACC for the inorganic control experiments (A) for aspartic acid at 0.1, 0.05, and 0.025 M, (B) for glutamic acid at 0.1, 0.05, and 0.025 M, (C) four carboxylic acids at 0.025 M: oxydiacetic, d-tartaric, citric, and malonic acids.
