Chemometric Methods for the Analysis of Graftage-Related Black Tea Aroma Variation by Solid Phase Mirco-Extraction and Gas Chromatography-Mass Spectrometry

A solid-phase micro-extraction (SPME) and gas chromatography/triple quadrupole mass spectrometry (GC/MS/MS) method was developed to...

Chiral Multicolumn Method Development on the Agilent 1260 Infinity II SFC System

This Application Note demonstrates the use of the Agilent ChemStation Method Scouting Wizard for the development...

Rapid Analysis of Radium-226 in Water Samples by ICP-QQQ

Radium-226 is a radionuclide that occurs naturally as part of the uranium-238 decay series. 226Ra...

Determination of Gold, Palladium, and Platinum in Noble Metal Ores Prepared by Fire Assay

Noble metals—especially Au, Pd, and Pt—have been extracted from ores for centuries. Due to their...

Measurement of 87Sr/86Sr Isotope Ratios in Rocks by ICP-QQQ in Mass-Shift Mode

Triple quadrupole ICP-MS (ICP-QQQ) instrumentation is increasingly used for isotope ratio (IR) analysis studies (1–5)....

Detecting contamination in shochu using the Agilent GC/MSD

This Application Note describes the use of the Agilent 8890 GC to analyze impurities in...

Analysis of N-Nitrosodimethylamine and N-Nitrosodiethylamine Using the Agilent 7697A Headspace Sampler, 8890/5977 GC/MSD System

This Application Note describes the use of the Agilent 8890 GC to analyze impurities in...

Analysis of Five Nitrosamine Impurities in Drug Products and Drug Substances Using Agilent GC/MS/MS Instrumentation

This application note highlights a comprehensive solution for the determination and estimation of five nitrosamine...

Efficient Purification of Crude Samples in Early-Stage Drug Discovery Using the Agilent 1290 Infinity II Preparative LC/MSD System

In early-stage drug discovery, high-purity compounds are needed for compound screening and lead identification. The...

Determination of Volatile Organic Compounds in Soil and Sediment by Purge and Trap GC/MS

Method HJ 605-2011 was used to determine the concentration of volatile organic compounds (VOCs) in...

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