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Spectra Analysis - Solid-phase deposition FTIR - DISCOVIR-LC™

VIETNAM

Nguyen Thi Xuan Mai, Senior Manager, National Sales

+84 28 3812 5806 ext 89604
Fax +84 8 3812 5807
Contact Email
DKSH Technology
5th Floor, Viettel Complex, 285 Cach Mang Thang Tam Ward 12, District 10/6th Floor, Peakview Tower, 36 Hoang Cau O Cho Dua Ward
70000 Ho Chi Minh City / Dong Da District, Ha Noi
Vietnam

THAILAND

Oliver Hammel, Vice President

+66 2 639 7000
Contact Email
DKSH Technology Limited (Head Office)
2533 Sukhumvit Road, Bangchak, Phrakhanong
10260 Bangkok
Thailand
  • Spectra Analysis DISCOVIR-LC™ Brochure - Protected
    (PDF, 11 MB)
Spectra Analysis - Solid-phase deposition FTIR - DISCOVIR-LC™

Micro-deposition improves analysis

DiscovIR’s unique temperature controlled, vacuum deposition method ensures that results are accurate and reproducible. Eluted peaks are first deposited in a film on to a rotating IR transparent disc. Next, an infrared beam passes through each concentrated spot and the detector automatically collects spectral data.

Concentrates analytes in minimal area

Cryogenic temperature control of the Sample Disc minimizes the area of the deposited analyte. This results in a thicker sample layer and therefore Higher Sensitivity of the absorbance spectrum.

New DiscovIR-LCTM system from Spectra Analysis is able to afford total solvent removal from a reversed-phase gradient run (2% to 100% organic) with no change in the operational setpoints of the system. Solid phase Transmission FTIR Spectra are acquired continuously throughout the run.

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Key applications

  • Deformulation
  • Co-polymer compositional drift
  • Extractables and leachables
  • Minor component identification
  • Chemical troubleshooting
  • Degradation/failure analysis

Technical specifications

System overview
Operating principle Direct deposition of column eluent on moving ZnSe sample disc
IR spectrometer Built-in FTIR
IR detector 0.1 mm MCT
Wavenumber range 4000–700 cm-1
Data collection Real-time, with post-run analysis available
Spectrum type Transmittance through disc and solid-phase sample
Disc capacity 12-24 hours of chromatography
Window temperature -100°C to +50°C
Data station
Standard features • Real-time and post-run data collect
• Chromatographic / spectral workup
• Band chromatograms for chemical classes
• Ratio chromatograms for profiling trends
Library search Library Search Software included Spectra compatible with all solid phase FTIR Libraries
DiscovIR-LC configuration
Sample delivery Multi-Step Desolvation Interface
Flow rates accepted 0.25 to 1.5 mL/min
Compatible solvents Water, ACN, Methanol, THF, Chloroform

Key features

  • Micro-Deposition on Cryogenically-Cooled IR-transparent disc
  • Unique, Proprietary LC interface removes solvent interference
  • Collects real-time IR spectrum automatically
  • On-line analysis
  • No sample handling!
Spectra AnalysisSpectra Analysis Instruments, Inc. is a leading supplier of molecular spectroscopy systems and applications for chromatography. Our current products focus on real-time connection of Infrared Spectroscopy to Gas and Liquid Chromatography. Spectra Analysis Instrument’s Fourier Transform Infrared (FT-IR) systems are fully automated to Gas and Liquid Chromatography for analysis of complex mixtures providing high fidelity solid phase spectra for a broad range of applications.
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