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Fig. 4 | AMB Express

Fig. 4

From: Agricultural by-products and oyster shell as alternative nutrient sources for microbial sealing of early age cracks in mortar

Fig. 4

Calcium carbonate precipitated using oyster shell-derived calcium ions by AK13. a FE-SEM image of calcium carbonate precipitated by AK13 growth in B4O medium. b, c EDX and XRD analysis of calcium carbonate precipitated in B4O medium. d Comparison of the amount of calcium carbonate precipitated by AK13 with the calcium ions separated from the same mass of calcium lactate and oyster shell powder

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