cannabis titration
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Determination of Water in Cannabis & Hemp by Karl Fischer Titration
The article describes Karl Fischer titration (coulometry with oven and direct volumetric titration with external extraction) in comparison to the loss on drying method for accurate determination of water content in hemp samples.
Cannabis Testing
Find quality products and complete workflow solutions for your accurate and reliable cannabis testing needs. From the identification and potency testing of cannabinoids, to testing the presence of pesticides, mycotoxins, heavy metals, terpenes, residual solvents, and moisture content in cannabis
Terpenes in Cannabis: Profile and Importance
Comprehensive analytical characterization of terpene profile in cannabis and hemp products using GC-MS based workflow helps promote health and safety of cannabis producers and consumers while meeting the legal requirements.
Pesticides and Mycotoxins in Cannabis and Hemp
The increased use of cannabis plants for therapeutic needs has led to stringent quality testing to ensure product safety. Analysis of cannabis & hemp for residual pesticides and mycotoxins is routinely performed using LC-MS/MS and GC-MS/MS to meet regulatory requirements.
Workflow for Cannabinoids Analysis in Hemp and Hemp-Infused Products
A step-by-step workflow for the sample preparation of hemp bud, hemp oil, chocolate, gummy, candy, and cream for the HPLC-PDA separation and analysis of 17 cannabinoids.
Certified Reference Materials
Browse our Certified Reference Materials (CRMs) for applications in forensic and clinical toxicology analysis, diagnostic testing, therapeutic drug monitoring, cannabis testing, environmental analysis, pharmaceutical research, and food & beverage testing.
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Beer analysis without the headache
The analytical quality assurance is one of the most important steps to assure the quality of the measured results. Photometric methods are used in many laboratories for the examination of water and wastewater samples. In this Web Talk we will
Analytical Quality Assurance for accurate water analysis with photometry
The analytical quality assurance is one of the most important steps to assure the quality of the measured results. Photometric methods are used in many laboratories for the examination of water and wastewater samples.
Critical considerations when choosing a syringe filter for HPLC, UHPLC, and LC-MS/MS analysis. A case study with PFAS Analysis
We cover the most important factors to consider while choosing a filter membrane, including membrane material, to chemical compatibility, extractables and particle retention. Then, a case study is provided for choosing the right syringe filter device for sample preparation in
Testing for E. coli and Coliforms in Drinking Water According to ISO 9308-1
Testing for E. coli and Coliforms in Drinking Water According to ISO 9308-1
Karl Fischer Standards
With Aquastar® reagents and standards, the water content of solids, liquids, and gases can be determined effortlessly with a high degree of accuracy. Purchase our range of Aquastar® water standards for both volumetric and coulometric titrations.
Choosing the Right Adsorbent for Your Thermal Desorption Gas Chromatography Applications
Choosing the Right Adsorbent for Your Thermal Desorption Gas Chromatography Applications
Cannabinoid Profiling and Potency Testing of Cannabis and Cannabis Products
Cannabis potency testing detects and measures the total content of cannabinoids (THC, CBD, and others) in a sample by using analytical techniques, such as high-performance liquid chromatography (HPLC) coupled to UV or MS detector and/or GC paired with FID/MS.
Pharmacopeia & Metrological Institute Standards
Discover our extensive selection of pharmacopeia and national metrology institute standards belonging to USP, EP, British Pharmacopoeia, BAM, NIST, NMIA, and IRMM/BCR for quality control in pharma laboratories and industries.
Physical & Chemical Property Standards
Our comprehensive range of products offer a wide choice of high-quality certified reference materials (CRMs) for the routine calibration of your equipment such as buffers, volumetric standards, color reference solutions, BOD/COD, TOC, and other reference materials for physical properties.
Chemical Analysis for Food and Beverage Testing
Discover the application of analytical techniques involved in the chemical analysis of food and beverages for safety, authenticity, and quality assurance.
LC-MS
Learn about columns, solvents, buffers, reagents and accessories that are designed for your LC-MS applications from Supelco®. Shop and order now
ICP & AAS standards
Browse through our high-purity standards for inorganic trace and ultra-trace analysis. The reference materials for AAS and ICP are ready-to-use solutions, certified and traceable to primary standard reference material from NIST.
Methanol
We offer a variety of methanol products suitable for applications including HPLC, UHPLC, and LC-MS. We also supply multiple options for anhydrous methanol and ACS grade methanol.
Food and Beverage Safety Heroes
We offer leading life science portfolio brands for a complete range of high-quality food and beverage chemical and microbiological testing solutions with a comprehensive approach providing regulatory expertise, substantial service, and trust.
Digital Reference Materials
ChemisTwin is your new online digital assistant for NMR result interpretation. It will save you time by automating the interpretation of routine NMR analysis for structure confirmation as well as quantitative NMR (qNMR) measurements using qNMR eRMs from our verified
Drinking Water Testing
Clean drinking water is essential for food and beverage production. This article gives an overview of chemical and microbiological testing of the drinking water for quality and safety.
Ethyl Acetate
We offer a variety of ethyl acetate products suitable for applications including GC, HPLC, UHPLC, and LC-MS. We also supply multiple options for anhydrous ethyl acetate and ACS grade ethyl acetate.
PFAS Analysis Solutions | Sigma-Aldrich
Discover our complete solutions: Reliable products and precision tools to more accurately quantify PFAS compounds in diverse samples including water, wastewater, soil, food, blood, etc.
Soil, Solid Waste & Groundwater Testing
Soil and groundwater testing are crucial to avoid adverse impact on the environment and human health. Learn about the importance of solid waste management and methods used for soil and groundwater testing for heavy metals and other environmental pollutants.
Wastewater & Process Water Testing
Water treatment is required to maintain effluent compliance with standards established by regulatory bodies. Learn about the stages of wastewater and process water treatment along with the corresponding analytical testing methods.
Clinical and Forensic Testing
Source a comprehensive range of quality reagents, reference materials and accessories for clinical and forensic testing across a range of testing methodologies including LC-MS, Molecular diagnostics (sequencing and PCR) and immunoassays. Bulk and customization options are available for enhancing efficiencies.
Clinical and Forensic Testing
Source a comprehensive range of quality reagents, reference materials and accessories for clinical and forensic testing across a range of testing methodologies including LC-MS, Molecular diagnostics and immunoassays. Bulk and customization options are available for enhancing efficiencies.