Calibration, qualification, and validation

Applied Filters:

facet applications:Calibration, qualification, and validation

facet content type:Technical Article

Showing 1-30 of 60 results

Analysis of Tetrahydrocannabinol (THC) and Carboxytetrahydrocannabinol (THCCOOH) in Surface Waters by SPME and GC/MS

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.

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

Proper Storage and Handling of Volatile Analytical Standards

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.

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.

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.

Bioethanol

Learn more about Bioethanol as a renewable, alternative fuel traditionally produced by the yeast fermentation of sugar.

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;

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.

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.

Solution with 17 Amino Acids as TraceCERT^® Certified Reference Material

Technical article on "Solution with 17 Amino Acids as TraceCERT® Certified Reference Material"

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.

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.

New Certified Reference Materials for Proteins

CRMs of milk proteins aid accurate testing for infant formula, ensuring compliance and quality control.

LC-MS Analysis of Warfarin™ in Plasma Samples

LC-MS analysis of Warfarin demonstrates its potential in clinical laboratories for accurate plasma measurements.

Certified Reference Materials for ¹⁹F NMR

Introduction of 19F qNMR certified reference materials for complex molecule certification.

New cis/trans FAME Standard for GC Optimization

AOCS and AOAC methods for trans fatty acid composition require highly polar cyanosilicone capillary columns.

Solid Phase Extraction for Aflatoxin Analysis

Supel Tox AflaZea SPE improves analyte recovery with less sample volume, while HPLC confirms effective elimination of interferences.

Radiello Sampler: Monitoring 1,3-Butadiene & Isoprene

Microbial test method development: Laboratory develops compliant methods for antimicrobial products, ensuring regulatory compliance and quality.

An LC/MS Peptide Standard for Rapid System Suitability Assessment and Retention Time Translation Across LC/MS Platforms

Standards are critical in liquid chromatography/mass spectrometry (LC/MS) based proteomics to ensure optimal and consistent system performance before, during, and after sample analysis.

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.

Multiplex Quantification of Infliximab & Adalimumab

Monoclonal antibodies Infliximab and Adalimumab target TNFα for treating rheumatoid arthritis and autoimmune diseases.

Fast Vitamin D Metabolite Analysis

Vitamin D deficiency affects bone health, highlighting its vital role in calcium absorption and bone growth.

Cannabinoid CRMs: Testing Accuracy & Traceability

ISO-certified cannabinoid CRMs, THC and THCA, available as single components or mixes, for accurate potency testing.

Isotopically Labeled Steroid Standards

Anabolic steroid testing remains crucial in competitive sports to maintain fairness.

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.

Analysis of California Cannabis List of Pesticides, Mycotoxins, and Pyrethrins Using Ascentis® Express Biphenyl Column

Cannabis testing regulations include analysis of purity, potency, and contaminants. Learn more about analysis of cannabis for pesticides, mycotoxins, and pyrethrins registered in California by LC-MS/MS and GC-MS/MS Using Ascentis® Express Biphenyl and SLB®-5ms Columns

Page 1 of 2