Inductively coupled plasma mass spectrometry Adult Animals Calibration Chemometrics Child, Preschool Dimethylformamide Elemental compositions Foodomics Germanium High-efficiency Humans Inductively coupled plasma Inductively coupled plasma mass spectrometries (ICPMS) Infant Infant, Newborn Lead Limits of detection Manganese Mass Spectrometry Mass spectrometers Mass spectrometry Milk Milk analysis Milk-based infant formula N ,N-Dimethylformamide Organic solvents Plasma Gases Principal Component Analysis Principal component analysis