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.
The term generally describes a type of footwear with a flexible sole made of rubber or synthetic material and an upper part made of leather or synthetic materials. Examples of such shoes include athletic footwear such as: basketball shoes, tennis shoes, cross trainers and other shoes worn for specific sports.