Components for any Measurement
B&W Tek components are essential elements of a spectroscopy system. Our light sources, sample holders, fiber optic probes, component spectrometers and software all come together to build systems for absorbance, transmission, reflectance, fluorescence and Raman spectroscopy. Experience the flexibility that comes from customization.
Techniques
Spectroscopy is a versatile technique that uses the small changes that occur when light interacts with a sample to gather information. By watching these changes, it is possible to measure many parameters, including concentrations, reaction rates, and the identity of unknown samples. Spectroscopy can also be used to separate the components of a mixture. No matter what your measurement technique, we have the right components to build your system.
Raman
Raman Spectroscopy is fastest growing and one of the most useful spectroscopic techniques. Providing qualitative and quantitative information about a sample, Raman can be used for a variety of applications. Raman requires minimal or no sample preparation, is nondestructive and can measure through packaging, so it is easy to implement in almost any setting. Many industries are incorporating Raman to save time, money, and space.
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SERS
Surface Enhanced Raman Spectroscopy or SERS is specific type of Raman spectroscopy that uses a specialized surface to enhance the Raman signal. SERS enhancement dramatically lowers the limit of detection and allows for quantitative measurements - often below the part per billion level. Metrohm SERS products give you a choice of solid SERS strips or liquid colloids to provide accommodate a range of samples and measurement conditions.
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Absorbance & Transmission
Absorption and transmission are the two most common spectroscopic measurements. They are used for quality control in nearly all industries and are the workhorse of the lab. Absorption is most commonly used to determine the concentration of a chemical. Transmission measurements can be used to measure the effectiveness of sunglasses or the characteristics of a biofilm.
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Fluorescence
Fluorescence creates light, making it the most sensitive form of spectroscopy. Able to see individual molecules, fluorescence is the best technique to understand dilute samples and to overcome background effects.
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