Chemical analysis

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facet applications:Chemical analysis

facet applications:Regulatory compliance

facet applications:Small molecule HPLC

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Showing 1-30 of 223 results

Assay of Betamethasone Sodium Phosphate by HPTLC

Development of an HPTLC based method, using Silica Gel 60 F254 plate, to determine Betamethasone Sodium Phosphate over a concentration range of 1 to 7 µg/spot.

Assay of Doxepin Hydrochloride USP Monograph

The FPP Purospher® STAR RP-8e column offers a reliable and consistent assay with strong peak shapes and linearity, ensuring precise quantification.

Clozapine Assay HPLC Method acc to USP Monograph

An HPLC-UV method for the identification and quantification of clozapine in API samples and tablet formulations, following the USP monograph guidelines.

Determination of Baicalin, Chlorogenic acid and Forsythin

Analyze Shuanghuang Lian oral liquid using Discovery® HS C18 HPLC column per Chinese Pharmacopeia 2020. Quantify baicalin, chlorogenic acid, and forsythin with high accuracy.

Determination of Geniposide Forsythin in XiaoerChiqiaoQingre

Analyze Xiaoer Chiqiao Qingre granules for geniposide and forsythin using Discovery® HS C18 column and Supelclean™ LC-Alumina-N SPE.

Determination of Impurities in Clozapine API

HPLC-UV quantitative analysis of four clozapine-related substances in clozapine API as per Ph. Eur. Monograph using Purospher® Star RP-18 endcapped column.

Fatty Acid Methyl Ester analysis by Gas Chromatography

Development and validation of a fatty acid methyl esterification method, using methanolic HCl reagent, for FAME analysis by GC of vegetable oils and fats.

Fluticasone Propionate Assay by HPLC UV USP Monograph

Learn how the Purospher® STAR RP-18e Hibar® HPLC column meets the system suitability criteria outlined in the USP monograph for the fluticasone propionate assay.

Gabapentin Assay: Ph. Eur. Monograph

LC-MS/MS quantitative method analyzes highly polar 11 nucleotide activated sugars using Supel™ Carbon LC column.

Safinamide Impurity Profiling by HPLC Assay Methods

HPLC-DAD method on Ascentis® Express C8 column analyzes safinamide purity and related impurities meeting system suitability criteria.

HPLC Separation of Nitrosamines with Supel Carbon LC

Discover the efficient separation six nitrosamine impurities with high reproducibility and precise detection to ensure accurate analysis for regulatory compliance.

Piroxicam Capsules-Assay and Organic Impurities Following United States Pharmacopoeia Pending Forum Method

A reversed-phase high-performance liquid chromatography (RP- HPLC) based quantitative assay and organic impurity analysis of Piroxicam in its capsule dosage form.

Quantitative Analysis of Nitrosamine Impurities by LC-MS Methods from the United States Pharmacopeia General Chapter <1469>

This application note describes the LC-MS-based quantitative analysis of known nitrosamine impurities following procedures 1 and 3 as given in USP general chapter .

Method Optimization for LC-MS Analysis of Vitamin D Metabolite Critical Pairs in Serum

Using HybridSPE-Phospholipid, Ascentis Express, and Other LC-MS Workflow Components

Nitratos en las verduras y las hortalizas

Método gradual que describe la determinación reflectométrica de los niveles de nitratos en varias verduras tras reducción a nitritos y la detección con el reactivo Griess utilizando el sistema y las tiras reactivas Reflectoquant®.

pH de la leche y los productos lácteos

Una determinación fiable, fácil de usar y económica del pH de la leche y los productos lácteos con el smartphone utilizando las tiras reactivas MQuant® pH y la aplicación MQuant® StripScan .

pH en los zumos de fruta

Una determinación fiable, fácil de usar y económica , realizada a través del pH, de los zumos de fruta utilizando las tiras reactivas del pH MQuant® y la aplicación MQuant® StripScan.

pH en los refrescos

Un enfoque económico y fácil de usar para la determinación fiable del pH de los refrescos con las tiras reactivas de pH MQuant® y la aplicación MQuant® StripScan

La importancia de la filtración en la optimización del rendimiento de la (U)HPLC y la LC-MS

Descubra cómo la selección de filtros y la filtración de muestras y fases móviles afectan a la contrapresión de la HPLC y la vida útil de la columna.

Análisis de trazas de hormonas mediante LC-MS en el agua del grifo

Los sistemas de producción de agua ultrapura Milli-Q® suministran agua exenta de contaminantes orgánicos, incluidas las hormonas presentes en el agua del grifo de un laboratorio, lo que los hace adecuados para los análisis mediante LC-MS/MS más sensibles.

Cómo seleccionar el sistema de purificación de agua adecuado para su laboratorio

Pasos esenciales para identificar su sistema de agua óptimo. Desde la calidad hasta las tecnologías más ecológicas y las opciones de ahorro de espacio.

Analysis of mAb and ADC on Widepore Silica Monolith Column

Intact analysis of Universal Antibody Standard human and Antibody-Drug Conjugate (ADC) Mimic on silica monolithic HPLC columns under various conditions.

Released N-Glycan Analysis of a Therapeutic Antibody Using BIOshell™ Glycan Column

This application note describes the released N-Glycan analysis of a monoclonal antibody, cetuximab, labeled with procainamide, using a BIOshell™ Glycan HPLC column.

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

Workflow for Pesticide Analysis in Cannabis

Complete workflow for cannabis flower pesticide testing using LC-MS/MS and GC-MS/MS ensures product safety.

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.

Cannabis Potency Testing: Method Dev. & Cost Considerations

Overview of gradient HPLC-based cannabinoid analysis optimized for key method parameters.

Cannabinoids Analysis Workflow with Chromolith® Column

HPLC-DAD workflow analyzes 14 cannabinoids in hemp extracts in 10 minutes using Chromolith columns for robust performance.

Heavy Metal Analysis of Cannabis sativa by ICP-MS and the Need for Proper Sample Homogenization

A 4-step comprehensive ICP-MS workflow including sample homogenization, with standard addition calibration method, to determine heavy metals in Cannabis sativa.

Natural Cannabinoid and Cannflavin Profiling by HPLC-PDA

An accurate and precise HPLC-PDA measurement of 32 cannabinoids and 2 cannflavins in hemp samples using a single extraction in less than 32 minutes.

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