Table 2. Chemical Compositions and Purities of Raw-CaCO₃ Starting Material and Scallop-Derived Calcium Lactate (CaLT) Prepared at Different Lactic Acid Concentrations.

compound	chemical composition (%)								purity (%)
	CaO	O	Na	Mg	S	P	K	summation
CaCO3	69.92	27.5		0.14	0.59	0.25	1.6	100	97.88
CaLT-40	70.20	29.2			0.61			100	98.27
CaLT-50	70.04	29.3			0.66			100	98.06
CaLT-60	69.56	28.2	0.83	0.24	0.82	0.36		100	97.38
CaLT-70	70.88	26.5			0.54	0.45	1.63	100	99.23