Immunological and chromatographic follow-up of 11-nor-carboxy-delta9 tetrahydrocannabinol in urine of single and multiple hashish smokers
Bulletin of the National Research Centre. 1998; 23 (2): 141-7
in English
| IMEMR
| ID: emr-106417
ABSTRACT
The authentic COOH-THC was used as a reference in TLC and HPTLC study of the urinary excretion pattern of cannabis metabolites. Hemagglutination inhibition testing for COOH-THC on urine was directly carried out alongside with the chromatography. The results revealed that after occasional smoking of a single hashish cigarette urine samples will be positive for 1-3 days. After chronic smoking of several hashish cigarettes 2-3 times a week, the urine may be positive for 1-2 weeks after the last dose. After heavy daily smoking for more than one month, the urine samples may be positive for 1-3 months after the last dose
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Index:
IMEMR (Eastern Mediterranean)
Main subject:
Cannabinol
/
Cannabis
/
Marijuana Smoking
/
Substance-Related Disorders
Language:
English
Journal:
Bull. Natl. Res. Cent.
Year:
1998
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