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Hopane Reference Standards for use as Petrochemical Biomarkers in Oil Field Remediation and Spill Analysis
We provide high-quality, relevant hopane reference standards to be used as biomarkers for petrochemical oil field remediation and spill analysis.
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.
The Proper Storage and Handling of Volatile Analytical Standards
Proper Storage and Handling of Volatile Analytical Standards
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.
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.
Improving the Chromatographic Separation of DMB-Labeled Sialic Acids for the Comparison of Biosimilars to Reference Materials
A significantly improved HPLC-fluorescence method for DMB-NANA and -NGNA, and application of this method to compare 2 candidate biosimilar therapeutic proteins to their respective RMs.
High-Performance Thin-Layer Chromatography: A Fast and Efficient Fingerprint Analysis Method for Medicinal Plants
In this article we present several HPTLC applications and analytical standards for ginsenosides.
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.
Isotopic Labeling for NMR Spectroscopy of Biological Solids
Isotopic Labeling for NMR Spectroscopy of Biological Solids;
Quick, Sensitive LC/MS/MS Analysis of Aflatoxins in Cannabis
Analyte recovery values from spiked cannabis extracts ranged from 102 to 127% with RSD below 12% for 3 replicates. Excellent recovery values were even observed for Aflatoxins B2 and G2 which were spiked at a low level of 6.1 ppb.
GC Analysis of a 37-Component FAME Mix on Omegawax®
This technical article will discuss GC Analysis of a 37-Component FAME Mix on Omegawax.
Enzymatic Method for Determining Branched Chain Amino Acids (BCAA Assay)
Assay protocol for the colorimetric detection of Branched Chain Amino Acids (BCAA) in biological samples using the alanine assay kit.
Cannabinoid Certified Reference Materials (CRMs) for an Improved Testing Accuracy and Traceability
We offer a portfolio of cannabinoid CRMs such as THC and THCA, available as single component solutions or mixes, certified in accordance with ISO 17034 and ISO/IEC 17025 for accurate cannabinoid profiling and potency testing.
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.
P-I-A-N-O Standards for Detailed Hydrocarbon Analyses
This is an article concerning P-I-A-N-O standards for detailed hydrocarbon analyses.
Quantification of Bitter Acids in Hops by Thin Layer Chromatography
HPTLC separation followed by UV detection of the bitter acid content in various hop samples.
Comparison of QuEChERS Products for the Extraction of Planar Pesticides from Spinach
Supel™ QuE Verde combines a novel carbon with zirconia coated silica (Z-Sep+) to provide an optimum balance between planar pesticide recovery and color removal.
Importance of Volumetric Solution Standardization
The titer determination or standardization of a titration solution is essential for accurate and reliable titration results.
Analysis of Pesticides in Baby Food by Solid Phase Microextraction (SPME) Using a New Overcoated Fiber
A direct immersion SPME method using a new overcoated SPME fiber was developed for the extraction of pesticides from pureed prune baby food.
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.
Isotopically Labeled Steroid Standards
We offer a wide variety of labeled bioactive compounds including steroids, vitamins, and their metabolites.
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.
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.
New cis/trans FAME Standard for GC Optimization
AOCS and AOAC methods for trans fatty acid composition require highly polar cyanosilicone capillary columns.
Choosing Correct Reference Material Quality Grade
Choose ideal reference materials for analytical testing needs, whether for calibration or quantitative analysis, ensuring accuracy and reliability.
Radiello Sampler: Monitoring 1,3-Butadiene & Isoprene
Microbial test method development: Laboratory develops compliant methods for antimicrobial products, ensuring regulatory compliance and quality.
Multiplex Quantification of Infliximab & Adalimumab
Monoclonal antibodies Infliximab and Adalimumab target TNFα for treating rheumatoid arthritis and autoimmune diseases.
LC/MS/MS Method for Determination of Glyphosate, AMPA, and Glufosinate in Cereals
Glyphosate and related compounds are measured in oatmeal and infant cereal using ion-exchange polymer-based particles for HPLC and SPE. Low level detection was obtained.
High-Performance Quantitative H-1 NMR
The signal ratio of two different protons can be measured with tremendous precision, which enables the generation of certified reference materials for use as qNMR standards.
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