Labs could confirm micro- and macroscopic plant features, screen for THC through a colorimetric test (which changes color in its presence), or test for the presence of THC through various gas chromatography techniques or thin layer chromatography (which separate the different components of cannabis).
Feb 13, 2024
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Oct 5, 2023 · Total Tetrahydrocannabinol (THC) is calculated using the following formula: Total THC = (THCA x 0.877) + THC.
Nov 12, 2023 · The median lethal dose (LD50) of THC has been determined in various animal species through oral administration and ranges from 800 to 9000 mg/kg ...
Mar 7, 2022 · Collecting two urine samples and using Mayo Clinic's THCCR test can assist with identifying new vs. residual use of marijuana.
Apr 20, 2023 · The method involved a liquid-liquid extraction in two steps, one for Δ9-THC and a second one for Δ9-THC-COOH. The first extract was analyzed ...
Potency testing is typically performed by liquid chromatography with UV detectors to determine the amount of major cannabinoids. However, analysis of trace and ...
The total THC, derived from the sum of the THC and THCA content, shall be determined and reported on a dry weight basis.
Feb 1, 2023 · A sensitive analytical method for determining THC in cosmetics is presented. The method makes use of stir bar sorptive dispersive microextraction (SBSDME).
The following is a list of appropriate reference methods. Potency methods must be validated extensively to ensure they meet the requirements of testing.
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The purpose of the measurements is to determine whether the total THC concentration of the tested material is within the acceptable hemp THC level of 0.3 ...
