General Advantages and Disadvantages of the NIK Narcotic Test

Authored by Andrea E Holmes

The NIK Narcotic test is a commercially available colorimetric test kit that is used in law enforcement and in the correction system. Not many validation studies are available in the literature. Therefore, the test has been questioned by various authors who demonstrated that the NIK tests produce false positives. The NIK test was studied in our laboratories and we determined that there are several advantages and disadvantages of the test. Positive aspects include ease of use and the quick turnaround time for the results. Negative points include the high probability of using the incorrect sample size and the subjective nature of color changes that are interpreted by the operator.

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