New development of compact magnetic separator for on-site material screening in various geological survey

Journal of Analytical Science and Technology

Table 1 Experimental results, relationship between susceptibility and translation distance of present and previous study (Jinnouchi et al. 2022)

Materials	χ_DIA × 10⁻⁷ (emu/g)	Distance (mm)	Distance (mm)
Materials	χ_DIA × 10⁻⁷ (emu/g)	(present)	(previous)
^a Gold: Au	− 1.42	− 0.19	–
^d Silicon Carbide: SiC	− 3.19	6.6	–
^c Alumina: Al2O3	− 3.63	11	–
Diamond: C	− 5.88	–	3.3
^b Polypropylene:C3H6	− 7.6	15	–
^a Bismuth: Bi	− 13	17	6.4
^a Graphite: C	− 52.0	38	15

^a Gold, bismuth and graphite were purchased from Nilaco Co (Tokyo, Japan). ^b Polypropylene was purchased from Polysciences Inc (Warrington, PA, USA). ^c Synthetic sapphire was purchased from Nakazumi Co (Japan). ^d SiC from Nakarai Tesque Co (Kyoto, Japan)