Nov 15, 2025
Prepare Samples Correctly: Ensure your sample is well-mixed and homogeneous before taking a measurement. Check for and remove any air bubbles by gently tapping the cuvette, as bubbles will
Jan 05, 2026
Optical spectrometers (often simply called "spectrometers"), in particular, show the intensity of light as a function of wavelength or of frequency. The different
Jul 13, 2026
need Spectrophotometer Troubleshooting? Our troubleshooting guide helps you solve 15 common problems like noisy baselines, negative absorbance, and calibration errors. Get clear solutions now.
Dec 13, 2025
The reflected power of all color components from white is typically high. When measured with Sensegood spectrophotometer, it shows peak at a wavelength where the maximum color power is
Aug 21, 2025
The discussion centers around the unexpected spectral readings from a spectrometer, particularly the presence of a sharp spike of blue light in
Feb 13, 2026
What is the Z dimension or beam height of your Spectrometers? The power LED indicator light on my UV-VIS or Fluorescence/UV-VIS Spectrometer is red. Software Issues: Why is
Nov 07, 2025
From the planets in our solar system to the far reaches of the cosmos, explore NASA''s Hubble Space Telescope''s three decades of discoveries.
Apr 29, 2026
The amount of light a substance absorbs directly relates to its concentration; higher concentrations lead to more absorption. This relationship forms the basis of quantitative analysis.
Aug 23, 2025
Stray light refers to light reaching the detector that is outside the selected spectral bandwidth. It is a primary source of error in spectrophotometry. Causes include
Jan 04, 2026
Learn how to troubleshoot a spectrophotometer and identify the causes of errors. Follow six steps to check, inspect, calibrate, verify, and compare your instrument and sample.
Feb 17, 2026
When the light scattered by the thousands of lines is viewed, light of a particular color is seen to constructively interfere (and so be brightest) along a particular direction while light of other colors is
Jan 27, 2026
Absorbance quantifies the amount of light a sample prevents from passing through it. A higher absorbance value indicates more light has been absorbed. Transmittance, conversely,
Apr 14, 2026
the angle coming out of the grating. Figure 2 shows a transmission grating with the diffracted spectrum being offset by angle from the original light direction, and so being found on either side of one is
Aug 31, 2025
A spectrophotometer is an instrument that takes advantage of the selective absorption of light by substances and uses purer monochromatic light as incident
Aug 31, 2025
It looks like the spectrometer uses a prism (located near the center of the board) to split light coming from the cuvette holder (on the right). Using our spectrometer
Feb 03, 2026
Inside a Raman spectrometer Raman spectroscopy starts off with light emitted by a monochromatic laser. This light is directed on a sample and scattered off it.
May 16, 2026
Gain expertise in using spectrophotometers. Learn to interpret light absorption data and apply this crucial analytical technique.
May 27, 2026
Escalate to service: persistent wavelength errors or high stray light often indicate alignment or optical component faults requiring manufacturer or
Jul 06, 2026
Understanding the causes of spectrophotometer measurement errors is crucial for improving accuracy and ensuring reliable data. This article explores
Jul 21, 2025
Use a single wavelength of light (monochromatic color) to make the testing more effective. The color of the light chosen should be one known to be absorbed by one of the chemicals thought to be in the test solute. Set the desired wavelength according to the specifications of your spectrophotometer.
May 18, 2026
Learn how to troubleshoot common spectrometer issues and get better results. Discover expert-backed support from NE LabSystems.
Jan 23, 2026
Learn the crucial steps for operating a spectrophotometer and translating measured light levels into meaningful, quantifiable substance amounts.
Oct 07, 2025
Spectroscopy - Raw Data vs. Intensity Calibrated Data A spectrometer-based system analyses light received by the measurement head (in the applications described in this white paper, the setups
Nov 22, 2025
Although optical emissions spectrometers are relatively sturdy instruments, they do require regular maintenance. Even if a spectrometer is properly maintained, wear and tear will mean that it may
Mar 11, 2026
One Last High Background discussion: Troubleshooting Column Bleed Have you installed and/or conditioned the column? Are you exceeding the column''s upper temperature limit? Is your column''s
Aug 10, 2025
Spectrometers beyond visible light The interactions of radiation and matter also take place beyond visible light. Visible light is simply the range of electromagnetic
Aug 19, 2025
20 Common Problems for SpectrophotometersFacing issues with your UV-Vis spectrophotometer? Our guide covers 20 common problems like high noise, negative absorbance, and calibration errors, with
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