Search: GERSTEL MPS 2XL

Results 1 - 10 of 17

Results

Automating DNPH Derivatisation for Aldehyde and Ketone Analysis

Airborne aldehydes and ketones are collected by passing air through a cartridge containing 2,4-dinitrophenylhydrazine (DNPH). Carbonyl compounds react with the DNPH to form derivatives in the form of hydrazo ...

Resource - Susan Gilbert - 24th Jan 2012 - 0 comments

Benefits of Using Sample Enrichment Techniques (Headspace SPME, Twister SBSE, and Dynamic Headspace) to Determine Trace Level Analytes Present in a Herbal Based Liquor

This application note discusses different sample enrichment techniques available using the Multipurpose Sampler (MPS2 XL). A herbal based liquor was chosen for this comparison as this contains trace level an ...

Resource - Susan Gilbert - 11th Jan 2012 - 0 comments

Dynamic headspace (DHS) analysis using Full Evaporation Technique (FET) to quantify trace level analytes present in a herbal based liquor

Maintaining the quality of herbal based liquors is an important factor in their production. Slight differences in the ingredients of these beverages can drastically change the taste. Therefore, it is import ...

Resource - Susan Gilbert - 14th Dec 2011 - 0 comments

Parts Per Trillion Determination of Volatile Organic Compounds in Water using Automated Headspace Extraction with the GERSTEL MPS and CTS-2 Cryofocusing Unit on an Agilent GC-MS

Static headspace extraction with gas chromatography-mass spectrometry (HS-GC/MS) is an established technique for the determination of volatile organic compounds (VOCs) in drinking water and waste water. Anal ...

Resource - Susan Gilbert - 19th Oct 2011 - 0 comments

Automation of Sample Preparation Steps using a Robotic X-Y-Z Coordinate Autosampler with Software Control

In addition to providing unattended operation as an autosampler for a chromatographic instrument, the use of the MultiPurpose Sampler (MPS) robot in combination with the MAESTRO software enables full automati ...

Resource - Susan Gilbert - 14th Apr 2011 - 0 comments

Automation of Solid Phase Extraction Methods using a Robotic X-Y-Z Coordinate Autosampler with Software Control

Solid Phase Extraction (SPE) is one of the sample preparation methods most widely used by chromatographers, as demonstrated by the numerous published SPE methods found in the literature. Typically, a liquid ...

Resource - Susan Gilbert - 14th Apr 2011 - 0 comments

Analysis of Drugs of Abuse using Automated Disposable Pipette Extraction and LC/MS/MS

Solid Phase Extraction (SPE) is a widely used, proven method for sample preparation and sample clean-up in the field of forensic analysis. Most SPE products require relatively large volumes of solvent leadin ...

Resource - Susan Gilbert - 9th Sep 2010 - 0 comments

Online Solid Phase Extraction of Total Petroleum Hydrocarbons from Water Samples

An automated, on-line, Solid Phase Extraction (SPE) method has been developed to extract Total Petroleum Hydrocarbons (TPHs) in the C10-C40 range from water. The system is able to add the required volumes of ...

Resource - admin - 9th Sep 2010 - 0 comments

Fully Automated Online Solid Phase Extraction and GC-MS Analysis of Polycyclic Aromatic Hydrocarbons from Water Samples

An automated, on-line, Solid Phase Extraction (SPE) method has been developed to extract Polycyclic Aromatic Hydrocarbons (PAHs) from water. The system is able to add the required volumes of standard and int ...

Resource - admin - 9th Sep 2010 - 0 comments

Increased Flexibility for a GERSTEL MPS 2 or MPS 2XL Robotic Autosampler

As productivity improvements within laboratories reduce instrument cycle times, the capacity of the autosampler can become a limiting factor. Similarly, as more sample processes are automated, the possible n ...

Resource - admin - 9th Sep 2010 - 0 comments