Fig. 1From: Jackson Pollock’s Number 1A, 1948: a non-invasive study using macro-x-ray fluorescence mapping (MA-XRF) and multivariate curve resolution-alternating least squares (MCR-ALS) analysisPollock Number 1A, 1948 (1948). Oil and household enamel paint on canvas (172.7 × 264.2 cm) The Museum of Modern Art. Areas scanned: (1) 520 × 500 mm, (2) 405 × 510 mm, (3) 467 × 504 mm and (4) 463 × 780 mmBack to article page