№ files_lp_4_process_1_51869
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Standard operating procedure for water content analysis in cannabis-derived products using Karl Fischer titration, including responsibilities, materials, step-by-step procedure, data review, and compliance verification.
Year:
Not specified
Region / City:
Not specified
Subject:
Analytical Testing / Cannabis
Document Type:
Laboratory Standard Operating Procedure
Organization / Institution:
In-house Laboratory
Author:
Not specified
Intended Audience:
Laboratory analysts and supervisors
Effective Period:
Ongoing until revision
Approval Date:
Not specified
Revision Date:
Extracted from VAM-042 (v7.0)
Reference Method:
Eur. 2.5.12, MVR-010 (G-0134)
Safety Measures:
Use of personal protective equipment and handling guidelines for chemicals
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The product description is provided for reference. Actual content and formatting may differ slightly.
Matrix:
Cannabis concentrates / extracts / resins
Customer:
In-house
Testing bundle:
{bundle}
Job number:
{jobs}
Method status:
Validated method issued for use
Purpose:
Analysis of cannabinoids in cannabis concentrates, extracts and resins
Analytes:
CBD, Δ9-THC, CBDA, THCA, Δ8-THC, CBC, CBCA, CBG, CBGA, CBN, CBDV, CBDB
Analytical technique:
High Performance Liquid Chromatography with Dual Diode Array Detection (HPLC-Dual DAD)
Instrument:
Agilent 1200 series HPLC with thermostated autosampler and dual diode array detectors
Column:
Agilent Zorbax Eclipse Plus C18 (100 × 2.1 mm × 1.8 µm)
Detection system:
Dual diode array detector with 60 mm and 3.7 mm UV cells
Mobile phase A:
Water with 0.1 % formic acid
Mobile phase B:
Methanol with 0.05 % formic acid
Calibration standard:
1000 mg/L CBD in methanol
Quantification range CBD and Δ9-THC:
0.03 (LOQ) to 90 % w/w
Quantification range CBDA and THCA:
0.03 (LOQ) to 10 % w/w
Quantification range other cannabinoids:
0.03 (LOQ) to 5 % w/w
Sample preparation:
Dissolution in THF and methanol followed by filtration through 0.2 µm regenerated cellulose filter
Sample storage condition:
Autosampler at 8 °C for up to 48 hours
Safety requirements:
Laboratory coat, safety glasses, disposable gloves and face shield when handling concentrated acids or bases
Responsible roles:
Analyst; Supervisor / Manager
Related validation references:
VR-056, VR-097, VR-105
Source method reference:
VAM-042 (v7.0)
Related procedures:
SOP-010, SOP-020, LOG-001, CCCV-034, CCCV-092, QSP-00
Note:
Year
Description of the material:
A suspension concentrate (SC) is a stable suspension of active ingredient(s) in an aqueous phase, intended for dilution with water before use, subject to specific physical property tests such as pourability, dispersibility, and suspensibility.
Year:
2026
Type of document:
Technical specification draft
Scope:
Seed treatment formulations
Standard references:
CIPAC, FAO, ISO
Intended users:
Manufacturers and quality control laboratories
Active ingredient:
[ISO common name]
Physical tests:
Acidity, pH, pourability, wet sieve, suspensibility, particle size, adhesion to seeds
Storage conditions:
0 °C and 54 °C stability tests
Publication month:
Not specified
ISO Common Name:
Ametryn
Chemical Name:
4-N-ethyl-6-methylsulfanyl-2-N-propan-2-yl-1,3,5-triazine-diamine
Empirical Formula:
C9H17N5S
Relative Molecular Mass:
227.33
Boiling Point:
about 248°C (decomposition)
CAS Number:
834-12-8
CIPAC Code:
133
Method Status:
Provisional CIPAC method 2020
Based on:
Method supplied by Syngenta Crop Protection, USA
Document Type:
Analytical method
Analyte:
Ametryn
Formulations Covered:
Technical material (TC), Water Dispersible Granules (WG), Suspension Concentrates (SC)
Analytical Technique:
Capillary gas chromatography with flame ionization detection
Identity Tests:
Infrared spectrometry; Gas-liquid chromatography
Sampling Requirements:
Minimum 250 g (TC, WG) or 250 ml (SC)
Repeatability (TC):
10–13 g/kg at 968–972 g/kg
Reproducibility (TC):
19–20 g/kg at 968–972 g/kg
Repeatability (WG):
14 g/kg at 795 g/kg
Reproducibility (WG):
34 g/kg at 795 g/kg
Repeatability (SC):
7.7–10 g/kg at 435–447 g/kg
Reproducibility (SC):
19–20 g/kg at 435–447 g/kg
Note:
Year
Document Type:
Technical Specification
Matrix:
Cannabis concentrates / extracts / resins
Customer:
In-house
Testing bundle:
{bundle}
Job number:
{jobs}
Method status:
Validated method issued for use
Purpose:
Analysis of cannabinoids in cannabis concentrates, extracts and resins
Analytes:
CBD, Δ9-THC, CBDA, THCA, Δ8-THC, CBC, CBCA, CBG, CBGA, CBN, CBDV, CBDB
Analytical technique:
High Performance Liquid Chromatography with Dual Diode Array Detection (HPLC-Dual DAD)
Instrument:
Agilent 1200 series HPLC with thermostated autosampler and dual diode array detectors
Column:
Agilent Zorbax Eclipse Plus C18 (100 × 2.1 mm × 1.8 µm)
Detection system:
Dual diode array detector with 60 mm and 3.7 mm UV cells
Mobile phase A:
Water with 0.1 % formic acid
Mobile phase B:
Methanol with 0.05 % formic acid
Calibration standard:
1000 mg/L CBD in methanol
Quantification range CBD and Δ9-THC:
0.03 (LOQ) to 90 % w/w
Quantification range CBDA and THCA:
0.03 (LOQ) to 10 % w/w
Quantification range other cannabinoids:
0.03 (LOQ) to 5 % w/w
Sample preparation:
Dissolution in THF and methanol followed by filtration through 0.2 µm regenerated cellulose filter
Sample storage condition:
Autosampler at 8 °C for up to 48 hours
Safety requirements:
Laboratory coat, safety glasses, disposable gloves and face shield when handling concentrated acids or bases
Responsible roles:
Analyst; Supervisor / Manager
Related validation references:
VR-056, VR-097, VR-105
Source method reference:
VAM-042 (v7.0)
Related procedures:
SOP-010, SOP-020, LOG-001, CCCV-034, CCCV-092, QSP-00
Year:
2023
Region / City:
In-house
Topic:
Residual solvents testing
Document Type:
Standard Operating Procedure
Organization:
Internal laboratory
Author:
Not specified
Target Audience:
Laboratory analysts, supervisors
Effective Period:
Ongoing
Approval Date:
Not specified
Revision Date:
Not specified
Note:
Year
Region / City:
Maine
Topic:
Medical Cannabis
Document Type:
Application Form
Organization / Institution:
Office of Cannabis Policy
Target Audience:
Applicants for Maine Medical Cannabis Registry Identification Card
Year:
2021
Region / City:
Edgewater, New Jersey
Theme:
Cannabis regulation
Document Type:
Ordinance
Government Body:
Mayor and Council of the Borough of Edgewater
Author:
Mayor and Council of the Borough of Edgewater
Target Audience:
Residents and businesses within the Borough of Edgewater
Period of Validity:
Indefinite (until revised or amended)
Approval Date:
February 22, 2021
Date of Amendments:
None stated
Year:
2024
Region / City:
Wellington
Topic:
Medicinal cannabis regulation, pesticide use
Document Type:
Guideline
Organization / Institution:
Ministry of Health
Author:
Ministry of Health
Target Audience:
Medicinal cannabis cultivators, manufacturers, industry professionals
Effective Period:
2024 onwards
Approval Date:
July 2024
Amendment Date:
Not specified
Year:
2019
Region / city:
Ontario / Toronto
Subject:
Cannabis retail store licence application
Document type:
Letter of Credit
Organization / institution:
Alcohol and Gaming Commission of Ontario
Author:
[insert name of issuing bank]
Target audience:
Applicants for cannabis retail store licence in Ontario
Validity period:
Expiry on December 13, 2019
Approval date:
Not specified
Amendment date:
Not specified
Note:
Year
Year:
2023
Region / city:
Washington State
Topic:
Cannabis Education
Document Type:
Survey Report
Agency / Organization:
Washington State LCB and DOH
Author:
Kruger et al., Leos-Toro et al.
Target Audience:
Cannabis Consumers, Cannabis Retail Employees
Period of validity:
Not specified
Approval Date:
Not specified
Date of Changes:
Not specified
Note:
Contextual Description
Year:
2026
Region / City:
Pretoria
Subject:
Cannabis cultivation, manufacturing, and importation for medicinal purposes
Document Type:
Application Form
Organization / Institution:
South African Health Products Regulatory Authority (SAHPRA)
Author:
South African Health Products Regulatory Authority (SAHPRA)
Target Audience:
Applicants seeking licenses for cannabis cultivation, manufacturing, or importation
Effective Period:
5 years
Approval Date:
[Not specified]
Date of Modifications:
[Not specified]
Year:
2019
Region / City:
Boulder, CO
Topic:
Cannabis breathalyzer development, THC vapor pressure, aerosol capture methods
Document Type:
Research Report
Organization:
National Institute of Standards and Technology (NIST)
Author:
Dr. Tara M. Lovestead, Dr. Jason A. Widegren, Dr. Kavita M. Jeerage
Target Audience:
Researchers, cannabis industry professionals, law enforcement, public health officials
Period of Effect:
September 27, 2019 – December 31, 2022
Approval Date:
September 27, 2019
Changes Date:
N/A
Year:
Not specified
Region / City:
Australia
Topic:
Medicinal Cannabis
Document Type:
Consent Form
Organization / Institution:
NIIM HREC
Author:
Not specified
Target Audience:
Applicants seeking approval for medicinal cannabis treatment
Period of Validity:
Not specified
Approval Date:
Not specified
Amendment Date:
Not specified
Year:
2025
Region / City:
East Windsor, Mercer County
Subject:
Cannabis Regulation
Document Type:
Ordinance
Organization / Institution:
Township of East Windsor
Author:
Township Council
Target Audience:
Residents and businesses in East Windsor
Effective Date:
20 days after final passage
Date of Approval:
Not specified
Date of Amendments:
Not specified
Year:
2023
Region / city:
Amsterdam
Topic:
Cannabis
Document type:
Quiz
Organization / institution:
Not specified
Author:
Not specified
Target audience:
General public
Period of validity:
Not specified
Approval date:
Not specified
Date of changes:
Not specified
Year:
2015–2019
Data source:
Reddit public posts
Platform:
Reddit
Number of subreddits analyzed:
245
Data repositories:
Google BigQuery; Pushshift Reddit repository
Data collection method:
Pushshift.io API
Unit of analysis:
Submissions (original posts)
Additional analysis:
Comments (sensitivity analysis)
Analytical approach:
Natural language processing and manual expert review
Text processing:
Unigrams and bigrams
Algorithm:
Word2vec (Mikolov et al., 2013)
Model type:
Neural network-based word embeddings
Substance categories:
THC/Marijuana; CBD; Synthetic Cannabinoids
Time frame analyzed:
January 1, 2015 – June 31, 2019
Keywords source:
Supplementary Table 1
Type of document:
Supplementary digital methodology
Subject:
Temporal trends in vaping-related discussions about cannabis products