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Determination of Stevioside and Rebaudioside A in Stevia leaves, beverages and food additives using HPTLC-MS
HPTLC-MS was used to analyze stevioside and rebaudioside in artificial sweeteners, stevia plants, cola and isotonic drinks with a minimum of sample preparation.
The Proper Storage and Handling of Volatile Analytical Standards
Properly storing and handling standards is critical to achieving accurate and reproducible analytical results.
Columns and Analytical Standards for Protein SEC
Size-exclusion chromatography (SEC) columns and ready-to-use standards facilitate method development and increase robustness of protein SEC methods.
Traceable Organic Certified Reference Materials for P-31 qNMR
The use of CRMs for the NMR quantification of phosphorylated organic compounds and metabolites offers several advantages as it is based on a signal comparison of the analyte with an internal or external reference standard.
Quantification of Infliximab in Human Serum by LC-MS/MS Using A Full-Length Stable Isotope Labeled Internal Standard
Infliximab, a chimeric monoclonal antibody, is used to treat rheumatoid arthritis, psoriatic arthritis, Crohn’s disease, and other autoimmune diseases.
Synthetic Cannabinoid Analysis
A large variety of cannabinoid drug standards, along with an HPLC method with the Supelco Ascentis® Express RP-Amide column, are presented in this article.
NMR Reference Standards
NMR reference standards ensure proper instrument performance. Review key operational parameters for these standards such as pw90, sensitivity, resolution and line shape.
Isotopic Labeling for NMR Spectroscopy of Biological Solids
Isotopic Labeling for NMR Spectroscopy of Biological Solids;
Titripac® Sustainable Packaging for Ready-to-Use Certipur® pH Buffers
Learn about our ready-to-Use Certipur® pH Buffer solutions (4 L & 10 L), available in an innovative Titripac® sustainable packaging for a wide pH range of 1 to 12.
Extractables Studies of Single-Use Equipment Immediate Identification and Quantification of Unknown Extractables by GC/MS with a Certified Reference Material Mix for Extractables and Leachables
Identification and quantification of the most common extractables originating from single-use equipment by GC/MS and an Extractables and Leachables Screening Standard.
Biodiesel
Learn more about Biodiesel as a renewable, alternative diesel fuel produced from vegetable oils, animal fats, or recycled restaurant grease.
Importance of Volumetric Solution Standardization
The titer determination or standardization of a titration solution is essential for accurate and reliable titration results.
Optimizing for High Throughput Analysis of Cannabinoids in a Variety of Matrices Using Ascentis® Express C18 Column
A complete workflow for the HPLC separation of 17 cannabinoids in different cannabis products using Ascentis® Express C18 Column in a shorter run time with retention time stability. Learn more here.
NMR Deuterated Solvent Properties Reference Chart
Use this reference table to find the coupling values and chemical shifts of our NMR (deuterated) solvents. Melting and boiling points, molecular weight, density, and CAS number are also listed.
Biomolecular NMR: Isotope Labeling Methods for Protein Dynamics Studies
We presents an informational article concerning biomolecular NMR and the use of Isotope Labeling Methods for Protein Dynamics Studies.
LC-MS Analysis of Warfarin™ in Plasma Samples
LC-MS analysis of Warfarin demonstrates its potential in clinical laboratories for accurate plasma measurements.
Improving USP Lansoprazole Analysis with HPLC
USP methods continuously revised for modernization and improved results in drug testing.
Flame Retardant Analytical Standards
Flame Retardant Standards: PBDE Standards. Polybrominated diphenyl ether standards accompany our chromatography products for this important analysis.
Petroleum Hydrocarbon Standards for SIMDIS
Boiling point range distribution analysis is crucial for petrochemical product processing, control, contaminant identification, and method development.
Certified Reference Materials for ¹⁹F NMR
Introduction of 19F qNMR certified reference materials for complex molecule certification.
Extractables Study with LC-UV/MS
Ascentis® C18 column facilitates LC-UV/MS analysis of extractables from single-use systems, ensuring reliable identification and quantification.
Workflow for Pesticide Analysis in Cannabis
Complete workflow for cannabis flower pesticide testing using LC-MS/MS and GC-MS/MS ensures product safety.
HPLC Separation: Ginsenosides from American Ginseng
Optimize HPLC method for ginsenoside separation using a mixture, applying it to American Ginseng root, with conditions and chromatograms shown.
SPME in the Analysis of Illicit Drugs
SPME is used in the analysis of amphetamine compounds by doing pre-extraction derivatization, and is also used in general determinations of other drugs of abuse.
Radiello Sampler: Monitoring 1,3-Butadiene & Isoprene
Microbial test method development: Laboratory develops compliant methods for antimicrobial products, ensuring regulatory compliance and quality.
Ultrapure Water for Metal Analysis in Regulated Food & Beverage Labs
View the suitability of ultrapure water from a Milli-Q system for the multi-elemental analysis (ICP-MS) of toxic metals in foods and drinking water.
Drinking Water Testing by Ion Chromatography using Ultrapure Water
This study reviews the suitability of ultrapure water for the IC analysis of drinking water. Inorganic ions and disinfectant by-products (DBPs) were assessed.
Choosing Correct Reference Material Quality Grade
Choose ideal reference materials for analytical testing needs, whether for calibration or quantitative analysis, ensuring accuracy and reliability.
Analysis of Tetrahydrocannabinol (THC) and Carboxytetrahydrocannabinol (THCCOOH) in Surface Waters by SPME and GC/MS
Analysis of Tetrahydrocannabinol (THC) and Carboxytetrahydrocannabinol (THCCOOH) in Surface Waters by SPME and GC/MS
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