EtG ALCOHOL TEST-URINE. Alcohol is rapidly eliminated from the body at a rate of approximately one drink per hour. Whether looking for alcohol in breath, blood, saliva or urine, using the standard technology, the rapid elimination limits the detection of alcohol to a matter of hours.
White gold is often plated with a thin rhodium layer to improve its appearance while sterling silver is often rhodium-plated for tarnish resistance. Rhodium detectors are used in nuclear reactors to measure the neutron flux level.hodium is a noble metal, resistant to corrosion, found in platinum-or nickel ores together with the other members of the platinum group metals.
Linda Grossman, of Evelynne's Oldies But Goodies, deals in vintage Bakelite and other collectible jewelry. Here's what she has to say about the fakes:  1 We are dismayed that there is a cottage industry that has been created with the production of Fakelite, which has the appearance of Bakelite.ethod #1: Some Bakelite collectors recommend the 409 Test. Here's how to do it: 1  Dip a cotton swab in 409 household cleaner and touch a small area of the piece, such as a back that won't be visible when worn. 2  If the piece is vintage Bakelite, the accumulated patina will show up as a yellow stain on the cotton swab.