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APCI in Biological Technology

Quantitation of Acrylamide in Food Samples on the Finnigan TSQ Quantum Discovery by LC/APCI-MS/MS

...n APCI. One published report has demonstrated that apci is a viable ion source for the production of acryl...tection. 5 Furthermore, a study comparing ESI and apci ion sources for the LC/MS/MS analysis of acrylamid... of acrylamide. A simple LC/MS/MS method using the apci source is used to measure acrylamide, via selectiv...

Screening of Corticosteroids in Urine by Negative Atmospheric Pressure Chemical Ionization LC/MS/MS

... mimic the mobile phase that would elute with the compound of interest in an actual LC/MS analysis. The 10 ppm solutions were directly injected in the apci with a syringe pump at a 50 μL/min rate. First, the most appropriate precursor ion was selected from the parent scan, and the capillary voltage w...

Separation and Quantitation of R and S Enantiomers using Normal Phase Chromatography on an API 3000 LC/MS/MS System

...effectively perform normal phase chromatography by apci LC/MS/MS using an API 3000 triple quadrupole mass ...er. Key Features Excellent apci performance across a wide range of flow rates and ...terfaced into an API 3000 LC/MS/MS System using an apci ion source without any hardware modifications or p...

Detection of N-in-1 Experiments: Extending the Range of N Using the API 3000 LC/MS/MS System

...hout compromising data quality Analyst software provides fast and easy data acquisition and reduction Proven TurboIonSpray and apci (Heated Nebulizer) ion source technologies give maximum performance across the widest range of flow rates and mobile phase compositions ...

Determination of Polar Organophosphorus Pesticides in Aqueous Samples by Direct Injection Using HPLC/MS/MS

... developed. Large volume (1 ml) water samples were directly injected onto a RP18 HPLC column with a polar endcapping. The compounds were ionized using apci and detected on a tandem mass spectrometer operated in multiple reaction-monitoring mode. The detection limits are in the range of 0.01 0.03 μg/...

Simultaneous Determination of Residues of Approximately 100 Pesticides and Metabolites in Fruit and Vegetables by LC/MS/MS

...min and then kept constant for another 12 min. Equilibration time prior to the next injection was 15 min. ESI versus apci Using the optimized MRM transitions and identical sample amounts only 8 pesticides (propoxur, carbofuran, bendiocarb, carbaryl,...

The Analysis of Polycyclic Aromatic Hydrocarbons (PAHs) by LC/MS/MS Using an Atmospheric Pressure Photoionization Source

...erisorb Silica, 250 x 4.6 mm; 5 m Dopant: Toluene at a flowrate of 100 l/min. Results The source uses a modified housing of a conventional apci source. The corona discharge needle has been removed and replaced with a connection for the lamp gas (nitrogen) which protects the Magnesium...

Analyzing Trace-Level Impurities of a Pharmaceutical Intermediate Using an LCQ Deca Ion Trap Mass Spectrometer and the Mass Frontier Software Package

...rformed on an LCQ Deca ion trap mass spectrometer operating in the apci mode. Separation was achieved using a Surveyor LC system equipped ...tive ionization Heated Capillary Temp: 175 C Vaporizer Temp: 325 C apci Discharge Current: 5 A Sheath gas: 80 units Aux gas: 20 units ...

Enhancing Ruggedness and Full-Scan MS Sensitivity Using Ion Sweep Technology

...en Ion Sweep technology is utilized. Both apci and ESI techniques are examined. Several small mol... ranging from m/z 190900 were selected for apci and ESI LC/MS assays to illustrate the im... Ion transfer tube temperature: 275-300C apci corona discharge current: 4.8 A (probe position: 2...
APCI in Biological Products

LCMS-2010EV from Shimadzu Biotech

Description:...) features a metal capillary for reliability and to insure consistent electrical contact with the spray. Both the ESI probe and optional low flow rate apci probe come offer low flow-rate compatibility with expanded operating ranges. All Shimadzu LCMS models support the Prominence HPLC and incorporate a mu...
Company:Shimadzu Biotech

TSQ Quantum Ultra from Thermo Scientific

Description:...vironmental analysis. It features the revolutionary Ion Max source ESI and apci probes, a titanium skimmer with superior skimming and larger aperture for i...sensitivity and robustness. Its new, ultra-high temperature, self-cleaning apci probe, with ceramic heater technology, virtually eliminates carryover. Th...
Company:Thermo Scientific
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