Elements in Plastic (Polyethylene), RM, XRF (for Fluorescent X-ray Analysis), set of 7 discs each 30 mm x 3 mm (JFE-JSM-P-710-1a, JFE-JSM-P-710-1b, JFE-JSM-P-710-1c, JFE-JSM-P-710-1d, JFE-JSM-P-710-1e, JFE-JSM-P-710-1f, JFE-JSM-P-710-1g)
Elements in Plastic (Polyethylene), RM, XRF (for Fluorescent X-ray Analysis), set of 7 discs each 30 mm x 3 mm (JFE-JSM-P-710-1a, JFE-JSM-P-710-1b, JFE-JSM-P-710-1c, JFE-JSM-P-710-1d, JFE-JSM-P-710-1e, JFE-JSM-P-710-1f, JFE-JSM-P-710-1g)
