Introduction
A scanning UV-visible spectrophotometer is a UV-visible spectrophotometer with the wavelength scanning capability, used for the measurement of the absorption and the transmittance of the light by the samples over the ultraviolet and the visible wavelength regions, and it is used in the chemistry, the biology, the clinical, the pharmaceutical, and the many other laboratories. The scanning UV-visible spectrophotometer scans the wavelength over the range and measures the absorbance of the sample at each wavelength, providing the full absorption spectrum, which is used for the identification and the characterization of the compounds and for the selection of the measurement wavelengths; the scanning UV-visible spectrophotometer consists of a light source, a monochromator with the scanning mechanism, a sample holder, a detector, and a control and a data analysis system, and it provides features such as the spectral scanning, the kinetics, and the data analysis; the scanning UV-visible spectrophotometer is used for the qualitative analysis by the spectra, for the quantitative analysis, for the determination of the absorption maxima, for the purity assessment, for the research, and for many other applications, and it is an essential instrument for the UV-visible analysis. Scanning UV-visible spectrophotometers are used in the chemistry and the biology laboratories, in the clinical laboratories, in the pharmaceutical industry, in the research, and for many other applications. With their scanning capability, scanning UV-visible spectrophotometers are essential for the spectral analysis.
Scanning UV-Visible Spectrophotometer T-S231SSP
Scanning UV-Visible Spectrophotometer is a dual beam light intensity measuring unit with wavelength range 190 nm ~ 1100 nm ensuring accuracy and reliability of sample processing.It is equ...
Scanning UV-Visible Spectrophotometer T-S230SSP
Scanning UV-Visible Spectrophotometer is a microprocessor based light intensity measuring unit with wavelength range 190 nm ~ 1100 nm.It is equipped with fault diagnosis function with aut...
Standards
European Pharmacopoeia 2.2.25-Spectrophotometry, ultraviolet and visible
ASTM E275-08(2022)-Standard Practice for Describing and Measuring Performance of Ultraviolet, Visible, and Near-Infrared Spectrophotometers
USP General Chapter <857>-Ultraviolet-Visible Spectroscopy
Complies with the above standards, but is not limited to them.
Features
1. Scanning UV-visible spectrophotometer for full-spectrum absorbance measurement.
2. Rapid scanning capability captures complete spectra for compound identification and purity assessment.
3. Stable optical system with high wavelength accuracy and resolution.
4. Software supports spectral overlay, derivative spectroscopy and peak identification.
5. Suitable for pharmaceutical, chemical, material and research laboratory applications.
FAQ
Q1: What testing scenarios is this instrument mainly applied to?
A: The scanning UV-visible spectrophotometer is used in pharmaceutical, chemical, material and research laboratories for full-spectrum absorbance analysis. It supports compound identification by spectral comparison, purity assessment by peak ratio analysis, reaction monitoring by spectral changes, color measurement and method development. The scanning capability allows users to observe the complete absorption profile of a sample, which is essential for identifying unknown compounds, verifying spectral maxima and developing new analytical methods. It is widely used in research and quality control where both qualitative and quantitative spectral information is needed.
Q2: What standards does the instrument comply with?
A: The instrument supports analytical methods referenced in USP, EP and ChP monographs, ASTM E169 for UV-Vis quantitative analysis, and relevant GB/T standards for spectrophotometry. The hardware complies with IEC 61010 laboratory safety standards. Wavelength and absorbance accuracy should be verified with certified reference materials.
Q3: What is the warranty period for the whole machine and key components?
A: The whole spectrophotometer is covered by a 12-month warranty. The optical system, detector, light source and controller are covered, while lamps, cuvettes and calibration standards are consumables excluded from warranty. Extended warranty is available.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires trained analysts familiar with spectral interpretation and method development. We provide operation manuals, application notes and structured training. Routine scanning and quantitation can be performed by trained operators with software guidance.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular calibration required? What is the recommended calibration cycle?
A: Wavelength and absorbance calibration with certified reference materials should be performed every 6-12 months. Scanning wavelength accuracy is particularly important and should be verified with a holmium oxide or didymium filter. Routine verification before each batch is recommended for regulated work.
Q7: Are supporting consumables universal?
A: Lamps, cuvettes and calibration standards are available from multiple qualified suppliers. Long-term consumable cost is moderate.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes wavelength range, scanning speed, resolution and software modules. Additional accessories can be ordered separately. Custom orders extend delivery lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: Standard delivery includes the spectrophotometer and accessories with an operation manual. Remote commissioning guidance is provided. On-site installation and training can be arranged for laboratory setup projects.
Q10: What types of samples are compatible with this equipment?
A: The instrument analyzes liquid samples within the wavelength and absorbance range. Samples must be clear and homogeneous for accurate scanning. Turbid samples cause baseline distortion and require pretreatment. Very high absorbance samples may saturate the detector and require dilution. Scattering samples may require integrating sphere accessories.
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