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. 2022 Jul 30;30(1):930–942. doi: 10.1007/s11356-022-22101-0

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Fig. 5 — SEM images of isolated particles from salt samples. a, c, d Fibres and b fragments. e–h depict the surface adhered particles on a–d. D is the width of fibres (i.e. distance between P1 to P2)