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“The results showed that CaCO3 application significantly increased the pH level, available P and exchangeable Ca but decreased organic matter, available Cd, exchangeable Cd, available heavy metals (Fe, Mn , Zn and Cu) and available K in soil.”
Journal of environmental biology • 2016 | View Paper
“Replicate determination of sub-ppm amounts of manganese in a sample of calcium carbonate showed a relative standard deviation of 6.9% while measurements on a solution prepared by dissolving a refined-silicon standard, SRM 57, indicated a relative error of 6.0%.”