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| Company | JASCO | JASCO | JASCO | JASCO | JASCO |
| Item | V-760 UV-Visible Spectrophotometer | FVS-6000 Vibrational Circular Dichroism Spectrometer | J-1700 Circular Dichroism Spectrophotometer | V-750 UV-Visible Spectrophotometer | V-770 UV-Vis/NIR Spectrophotometer |
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| Catalog Number | V-760 | FVS-6000 | J-1700 | V-750 | V-770 |
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| Type | UV-Visible | Circular Dichroism | Circular Dichroism | UV-Visible | UV-Visible/NIR |
| Wavelength Range | 187 to 900 nm | 3,200 to 850 cm-1 (Optional: 4,000 to 750 cm-1) | 163 to 2500 nm (Option: 163 to 950 nm (PMT) / Option: 900 to 2500 nm (InGaAs) | 190 to 900 nm | 190 to 2,700 nm (3,200 nm, option) |
| Wavelength Accuracy | ±0.1 nm (at 656.1 nm) | Inquire | Inquire | ±0.2 nm (at 656.1 nm) | ±0.3 nm (at 656.1 nm)
± 1.5 nm (at 1312.2 nm) |
| Scanning Speed | 10 to 4,000 nm/min (8,000 nm/min in preview mode) | Inquire | up to 10,000 nm/min | 10 to 4,000 nm/min (8,000 nm/min in preview mode) | 10 to 4,000 nm/min (8,000 nm/min in preview mode) |
| Spectral Bandwidth | 0.1, 0.2, 0.5, 1, 2, 5, 10 nm
L2, L5, L10 nm (low stray light mode)
M1, M2 nm (micro cell mode) | Inquire | 0.01 to 16 nm (163 to 950 nm) / 5, 10, 20, 30, 40, 50 nm (950 to 2,500 nm) | 0.1, 0.2, 0.5, 1, 2, 5, 10 nm
L2, L5, L10 nm (low stray light mode)
M1, M2 nm (micro cell mode) | UV-Vis:
0.1, 0.2, 0.5, 1, 2, 5, 10 nm
L2, L5, L10 nm (low stray light mode)
M1, M2 nm (micro cell mode)
NIR:
0.4, 0.8, 1, 2, 4, 8, 20, 40
L8, L20, L40 nm (low stray light mode)
M4, M8 nm (micro cell mode) |
| Optical System | Czerny-Turner mount
Single monochromator
Fully symmetrical double beam type | 28° Michelson interferometer, with gold coated corner-cube mirrors. mechanical bearing, temperature stabilized / KRS-5 Polarizer / | Double-prism polarizing monochromator and grating monochromator | Czerny-Turner mount
Double monochromator
Fully symmetrical double beam type | Czerny-Turner mount
Single monochromator
Fully symmetrical double beam type |
| Light Source | Halogen lamp, Deuterium lamp | High intensity ceramic source, insulated mount | 150W air-cooled Xe lamp or 450W water-cooled Xe lamp | Halogen lamp, Deuterium lamp | Halogen lamp, Deuterium lamp |
| Resolution | =BS10 | 0.5 to 16 cm-1 | Wavelength Resolution: 0.025 nm / CD Resolution: 0.00001 mdeg | =BS9 | =BS11 |
| Description | The V-760 UV-Visible Spectrophotometer includes a double monochromator for exceptional resolution with extremely low stray light (0.00008 %) for more accurate measurement over the widest photometric range (up to 8AU). The V-760 provides excellent sensitivity for diffuse reflectance or transmittance The V-760 UV-Visible Spectrophotometer includes a double monochromator for exceptional resolution with extremely low stray light (0.00008 %) for more accurate measurement over the widest photometric range (up to 8AU). The V-760 provides excellent sensitivity for diffuse reflectance or transmittance of solid and liquid samples using an integrating sphere. For high resolution measurements, such as gas and vapor phase spectroscopy, the spectral bandwidth can be set as narrow as 0.1 nm. Extended photometric linearity up to 8 Abs enables measurement of highly absorbing samples and is also useful for measurements of optical material with transmission characteristics that approach 0% T.... Read More | The FVS-6000 Vibrational Circular Dichroism Spectrometer measures both IR absorption and VCD, and provides accurate and highly sensitive measurement in the fingerprint region. The FVS-6000 optical system uses a 28° interferometer with gold coated corner cube mirrors for high throughput and to The FVS-6000 Vibrational Circular Dichroism Spectrometer measures both IR absorption and VCD, and provides accurate and highly sensitive measurement in the fingerprint region. The FVS-6000 optical system uses a 28° interferometer with gold coated corner cube mirrors for high throughput and to minimize polarization effects with reflective optics to eliminate artifacts caused by birefringence, resulting in very high-quality VCD data. The FVS-6000 uses a unique highly sensitive narrow-band MCT detector specially developed for VCD measurement across the spectral range 3,200 to 850 cm-1. Optional detectors and filters can be added to extend the range to 4,000 to 750 cm-1, typically for measurement of -OH and -NH bands. Detectors are easily exchanged without the need for manual alignment, and optical filters can be selected automatically.... Read More | The J-1000 Series Circular Dichroism spectrophotometers are specifically designed for high sensitivity measurements in the near- and far-UV regions, for scientists that need confidence in the data from characterization studies of biomolecule structure, function, and stability under a wide variety ofThe J-1000 Series Circular Dichroism spectrophotometers are specifically designed for high sensitivity measurements in the near- and far-UV regions, for scientists that need confidence in the data from characterization studies of biomolecule structure, function, and stability under a wide variety of experimental conditions.
The J-1700 was specifically designed for more demanding near-infrared CD applications. In addition to the enhanced far-UV capabilities, researchers probing the chiral activity of molecules in the NIR spectral region now have the ability to obtain data at wavelengths up to 2,500 nm. The InGaAs detector has a wavelength range from 900 to 2,500 nm, while the PMT ranges from 163 to 960 nm. The automatic detector interchange allows researchers to obtain both far-UV and NIR measurements without having to manually switch detectors. The addition of a grating monochromator to the double-prism monochromator setup provides low stray light and high light intensity, generating CD signals with high S/N performance throughout a large spectral range.... Read More | The V-750 UV-Visible Spectrophotometer optical design uses precision double-beam optics with variable spectral bandwidth. A high sensitivity PMT detector provides accurate and reproducible measurements for low to high concentration samples. By controlling the high voltage applied to the PMT, the The V-750 UV-Visible Spectrophotometer optical design uses precision double-beam optics with variable spectral bandwidth. A high sensitivity PMT detector provides accurate and reproducible measurements for low to high concentration samples. By controlling the high voltage applied to the PMT, the dynode feedback offers a wider dynamic range than is generally found on uv-visible spectrophotometers. For high resolution measurements, such as gas and vapor phase spectroscopy, the spectral bandwidth can be set as narrow as 0.1 nm. Special low stray light slit settings which optimize the light image on the monochromator provide increased linearity to up to 5 absorbance units.... Read More | The V-770 UV-Visible/NIR Spectrophotometer features a unique single monochromator design for maximum light throughput with excellent absorbance linearity. A PMT detector is used for the UV to visible region and a Peltier-cooled PbS detector for the NIR region. |
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