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06-29-2008, 12:27 AM #23
Senior Member
old urine
When labs perform validity testing (pH, creatinine, specific gravity) they do analyze the actual levels in order to rule if the urine sample is either "diluted" "adulterated" or "substituted". For the initial analysis, a colorimetric assay is utilized. This type of assay gives a semi-quantitive value for each constituent panel based on the color reaction. An example of this assay can be found on the craigmedical website.
Originally Posted by bullitt
The test strips that Ive mentioned earlier are essentially the same colorimetric assays the labs use.
Mr Cs theory is off the mark a bit. A synthetic sample is ruled "non-human" when..
a) The creatinine level is zero while the other constituents are within satisfactory ranges
b) All of the constituents have broken down to zero.
These conditions are indicative of an old expired synthetic batch, or a batch that was exposed to direct sunlight.
Like I said earlier, as long as the synthetic is current and been stored properly, it will pass the validity checks.To view the Board Rules: http://boards.cannabis.com/introduce...ard-rules.html
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