VGA-100/ VGA-101 - Specs

Gas Chromatography Detector

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Specification

PARAMETER VUV ANALYTICS™ VGA-100 VUV ANALYTICS VGA-101 NOTES
Light Source Deuterium lamp Deuterium lamp  
Wavelength Range 120 - 240 nm 120 - 430 nm  
Wavelength Accuracy ±0.2 nm ±0.2 nm  
Wavelength Reproducibility 0.05 nm 0.05 nm  
Type of Response Universal Universal H2, He, Ar are transparent
Spectral Bandwidth <1 nm <1 nm  
Maximum Acquisition Rate >75 Hz >75 Hz  
Response Characteristic Absorption versus Wavelength Absorption versus Wavelength  
Measurement Output Identity, Concentration Identity, Concentration H2, He, Ar are transparent
Detected Species All compounds and classes All compounds and classes  
Typical IDLs
(pg on Column)		 alpha-Pinene: 30
Methyl Decanoate: 30
Fluorene: 35
Coumarin: 35
n-Decane (C10): 40
Phenylacetaldehyde: 40
Citronellol: 65		 Benzene: 15
Nicotine: 20
Naphthol: 30
Derivatized β-estradiol: 30
Octane: 60
Methanol: 170
Water: 246		  
Linear Range 3-4 orders 3-4 orders**  
Temperature Range Ambient - 300 °C Ambient - 430 °C  
Carrier Gases H2, N2, or He H2, N2, or He  
Makeup Gas Ar, N2, He Ar, He, N2  
Flow Cell Dimensions 10 cm pathlength,
< 80 μL cell volume		 10 cm pathlength,
<40 μL cell volume		  
Instrument Dimensions 30” × 13” × 17”,
or 76.2 × 33 × 43.2 cm		 30” × 13” × 17”,
or 76.2 × 33 × 43.2 cm		  
Deuterium Lamp Lifetime
(hours)		 >2000 >2000 Lamp intensity half life at 250 nm
Weight 120 lbs, or 54.4 kg 120 lbs, or 54.4 kg  
Power Input Voltage 100 / 240V 100 / 240V  
Power Consumption <700 VA <700 VA  
Operating System Requirements Quad Core processor, 1080 × 1920
Monitor, Minimum Memory 8G,
Hard Drive Min 250G,
Windows 7, 8, or 10 (64 bit)		 Quad Core processor, 1080 × 1920
Monitor, Minimum Memory 8G,
Hard Drive Min 250G,
Windows 7, 8, or 10 (64 bit)		  
Additional Facilities Requirements CDA connection
99.999% N2 connection,
typical 40 mL/min purge requirement		 CDA connection
99.999% N2 connection,
typical 40 mL/min purge requirement		  

VGA-101 Enables More Applications

The VGA-101 offers additional capabilities to the VUV absorbance detection platform pioneered by the VGA-100. Analysis requiring temperatures exceeding 400 °C and measurement between 120 – 430 nm can now be routinely performed. Using spectral filters in a targeted wavelength region increases analyte sensitivity, ensuring quantitation at very low concentration levels.

 

  • Routine identification and quantitation of high boiling point compounds

    VUV absorbance spectrum of a complex hydrocarbon mixture analyzed at 430°C

  • VGA-101

  • A wider wavelength detection range provides new spectroscopic data

    A VUV spectrum comparison of acene compounds with increasing benzene ring count

  • VGA-101

  • Spectral filters improve analyte sensitivity throughout the VUV spectrum

    Spectral filter comparison of diesel fuel fraction analyzed from 120- 350 nm

  • VGA-101
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