I'M NOT SURE THIS CAN BE DONE?!?!

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I'M NOT SURE THIS CAN BE DONE?!?!

Postby moonshine814 » Thu Dec 15, 2005 3:10 am

I first want to say thank you to whoever, if anyone, decides to help me figure this out! Also, just so you know, this isn't a homework assignment that I'm looking for an easy way out of or anything like this, and I really am clueless when it comes to conversions so the more simple an explaination is the better! Here is my problem;

this is pertaining to a urine test-

limit of detection of a screening test is: 300 micro grams/L
limit of detection of a confirmation test is: 50 micro grams/L

I'm wondering how many micro grams are in a TSP (or TBSP) of cough syrup? Or is there another way to figure this out? How many hundreths, tenths etc/whatever of a TSP/TBSP would one have to take for it to be detected by both the tests?
Thanks and remember I'm pretty much clueless so not too technical!
MLP
moonshine814
 
Posts: 1
Joined: Thu Dec 15, 2005 2:43 am

Drug testing

Postby Jens » Sat Dec 31, 2005 6:22 am

WOW!

You are correct in that it cannot be readily answered because there are too many factors that vary.

1. What is the material you are trying to detect (a protein? a mineral? a sugar? Alcohol?) - each are metabolized and passed at different rates through the body

2. Your ethnicity may in some instances affect the metabolism of specific items. - For example: American Indians and Native Japanese do not metabolize alcohol as fast as Northern Europeans.

3. The concentration of the substance in the cough medicine

4. How long after you took the material are you being tested?

5. In some cases, if you drink vast amounts of water daily (say 8+ liters) then the concentration of material in your urine may decrease more rapidly than if you dring 1 to 2 liters of water per day. Other substances such as diuretics (such as chamomile tea) can also affect the rate at wich you retain or void the substance.

In short, it depends!

Jens
Jens
 


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