Tetrahydrocannabinol, as well identified as THC, is the major psychoactive substance established in the Cannabis plant (Marijuana). Testing for marijuana by using urine is now generally applied for random job tests. This is the least expensive of the test techniques.
Labs get the sample and moreover combine it with chemicals or dip a chemical colored test strip into it; or in a few instances they check it more strongly in lab testing tools, according to the kind of substance they are searching for.
50 nanograms of marijuana metabolites for each milliliter describes a “presumptive positive” by NIDA (National Institute on Drug Abuse) licensed labs. So, to pass the test, you don’t require having completely clean urine – you require having a lower than 50 ng/ml of marijuana in your urine.
Tetrahydrocannabinol (THC) is quickly absorbed by inhalation and the gastrointestinal tract. It is almost totally metabolized. The major metabolite is 9-carboxy-11-nor-delta-9-THC, which is established in the plasma, feces and urine all along with other substances. The very low attentiveness of THC perhaps identified in urine during the early several hours, but tetrahydrocannabinol preserves in urine at a noticeable concentration for many days after smoking.
A predictable 20 million workers are drug-tested yearly in the United States at a rate of more than $1 billion. The body metabolizes THC into about five metabolites prior to passing it into the body’s urine, so drug tests are planned to discover the metabolites in its place of THC. Noticeable amounts of these metabolites stay in the system for some days to some weeks pursuing marijuana consumption, according to the level of consumption.
The most general test for identifying marijuana or any drug is the immuno-assay. In this test, the urine is combined with a solution holding an antibody to particular metabolites. The antibody is generally covered with a fluorescent dye or radioactive substance. The amount of fluorescent light or radioactivity is calculated to decide on the attentiveness of metabolites in the sample.
Gas chromatography/mass spectrometry may as well be applied to test for THC metabolites. GC/MS testing is expensive and that is why most employers prefer the self test kits, generally to discover marijuana. They are very easy to apply. Simply take 5 drops of your urine and drop it into the testing tool. 1-2 minutes later if there are 2 lines, you are clean. If there is just 1 line, this denotes you are testing positive for that drug. In Internet nearly all companies offer an extensive variety of kits from 1 panel to 9 panels. Denoting you can test for up to 9 drugs at one time! Simple to follow directions are certainly integrated.
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