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| Company | JASCO | JASCO | JASCO | JASCO | JASCO |
| Item | V-730 UV-Visible Spectrophotometer | CPL-300 Circularly Polarized Luminescence Spectrophotometer | FVS-6000 Vibrational Circular Dichroism Spectrometer | J-1700 Circular Dichroism Spectrophotometer | V-760 UV-Visible Spectrophotometer |
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| Catalog Number | V-730 | CPL-300 | FVS-6000 | J-1700 | V-760 |
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| Type | UV-Visible | Circularly Polarized Luminescence | Circular Dichroism | Circular Dichroism | UV-Visible |
| Wavelength Range | 190 to 1,100 nm | 250 to 850 nm (Optional: 400 to 1,100 nm with PMT detector) | 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) | 187 to 900 nm |
| Wavelength Accuracy | ±0.2 nm (at 656.1 nm) | Inquire | Inquire | Inquire | ±0.1 nm (at 656.1 nm) |
| Scanning Speed | 10 to 8,000 nm/min | up to 10,000 nm/min | Inquire | up to 10,000 nm/min | 10 to 4,000 nm/min (8,000 nm/min in preview mode) |
| Spectral Bandwidth | 1.0 nm fixed | Inquire | 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) |
| Optical System | Rowland off-circle arrangement
Single monochromator
Double beam type | Double prism monochromators for both excitation and emission optics / Piezoelastic modulator / Lock-in amplifier | 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
Single monochromator
Fully symmetrical double beam type |
| Light Source | Halogen lamp, Deuterium lamp | 150W Ozone-free air-cooled Xe lamp (Option: 150W air-cooled HgXe lamp) | High intensity ceramic source, insulated mount | 150W air-cooled Xe lamp or 450W water-cooled Xe lamp | Halogen lamp, Deuterium lamp |
| Resolution | =BS8 | Wavelength Resolution: 0.025 nm
CPL Resolution: 0.00001 mdeg | 0.5 to 16 cm-1 | Wavelength Resolution: 0.025 nm / CD Resolution: 0.00001 mdeg | =BS10 |
| Description | The V-730 UV-Visible Spectrophotometer is designed for accurate and reliable absorption and transmittance measurements. Innovative features include IQ Accessory automatic recognition and IQ Start for push-button operation of routine measurements. The wide wavelength range from 190 to 1,100 nm The V-730 UV-Visible Spectrophotometer is designed for accurate and reliable absorption and transmittance measurements. Innovative features include IQ Accessory automatic recognition and IQ Start for push-button operation of routine measurements. The wide wavelength range from 190 to 1,100 nm offers versatile measurement for many different applications. Spectra Manager™ Suite*, the latest innovative, cross-platform spectroscopy software, or the iRM, a handheld controller with color LCD touch screen, both provide full system control and advanced data processing.
*Spectra Manager™ CFR (for 21 CFR part 11 compliance) is available as an option.... Read More | The CPL-300 Circularly Polarized Luminescence Spectrophotometer supplements the information obtained from other chiroptical techniques such as electronic or vibrational circular dichroism. Circular dichroism (CD) spectroscopy is widely used in the study of optically active substances. CD The CPL-300 Circularly Polarized Luminescence Spectrophotometer supplements the information obtained from other chiroptical techniques such as electronic or vibrational circular dichroism. Circular dichroism (CD) spectroscopy is widely used in the study of optically active substances. CD spectroscopy provides information about the structure of optically active substances in the electronic ground state, however, CPL spectroscopy provides information about excited states. The two techniques are therefore complimentary.
The CPL-300 uses the original 180° fluorescence collection approach proposed by Steinberg. The standard ozone-free 150W Xe lamp can be user-replaced with an Hg/Xe source. The instrument’s unique double-prism excitation and emission monochromators offer very low stray-light and no spurious linear polarization effects caused by instruments that use diffraction gratings. These are both extremely important as CPL signals tend to be very weak.... 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-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 |
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