Here is a quality piece from iFixit that performs a chemical analysis on 36 smartphones. Which ones are the cleanest?
High technology feels so clean—no coal or steam or mess, just cool aluminum, sleek plastics, and polished glass. But that clean surface hides an interior that is far messier and more toxic…researchers took apart 36 phones and submitted their components to X-ray fluorescence spectrometry…then rated and ranked the phones on a scale of 0 – 5, lowest being best:
