Fig. 2.

Microscopic and fluorescence images of isolated microplastics. a Clear fragment from Himalayan pink salt (salt G). b Fluorescence image of MPs in salt G. c Clear fragment from sea salt (salt C). d Fluorescent image of MPs in salt C. e Microscopic image of yellow fibre from black salt (salt B). f Fluorescent image of MPs in salt B. All the images were captured at 40 × magnification