Suja Sukumaran explores the significance, versatility, and future advancements of FTIR spectroscopy ... to study polymers like polypropylene or polyethylene under accelerated conditions.

Photo by Nuttapol Kitdee. Recently, a yellow sapphire from Chanthaburi, Thailand, showed a spectrum associated with “Punsiri” high-temperature heat treatment of blue sapphire. In response, GIA’s ...