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Ground Limestone

DEFINITION

Ground Limestone is a fine, white to off-white, microcrystalline powder mainly consisting of calcium carbonate. It is obtained by crushing, grinding, and classifying naturally occurring limestone, benefited by flotation and/or air classification. After drying at 200° for 4 h, it contains NLT 94.0% and NMT 100.5% of calcium carbonate (CaCO3).

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USP Sodium Fluoride RS
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