still used today; this technology couples a GC to an IR, which detects compounds by applying IR. to the gas effluent. Recent improvements in the hyphenated technique, GC/IR, may provide a simple alternative or. supplemental approach to GC/MS for the identification of certain compounds.
Vans' classic shoe style is made out of canvas, and sometimes suedeor leather. The brand makes an effort to create environmentallysustainable footwear, and uses recycled materials wheneverpossible.
I went to the crocs website at www.crocs.com and found that there was no information on the material the shoes are made from, except to say that it is a âclosed-cell resin.â I called their Customer Service and was told the material was âpropriatary.â.