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Caption: A phosphate is a chemical composite formed by the association of a phosphate ion with other metallic ions (magnesium, calcium, sodium, potassium, etc.).
Credit: Album / Universal Images Group
Image size: 990 × 960 px | 2.7 MB
Print size: 8.4 × 8.1 cm | 389.8 × 378.0 in (300 dpi)