UV Spectrophotometer Calibration
Need to calibrate your spectrophotometer? NSG Precision Cells Releases New NIST Standard Reference Material for UV VIS Spectrophotometer Calibration.
NSG Precision Cells is proud to be providing the scientific community with the best calibration standards in the industry. Based on the NIST standard reference material these spectrophotometer standards exceed today’s standards and are changing the was that scientist calibrate their instruments. When a scientist spends over $10,000 on a spectrophotometer, it’s worth the investment of a few hundred dollars to make sure it’s calibrated correctly.
Why Is Calibrating A UV Spectrophotometer Important?
Data gathered from spectrophotometers calls for the highest accuracy and to guarantee that outcomes are accurate, a spectrophotometer have to be calibrated adequately. NSG Precision Cells has introduced a new calibration item that never needs to be replaced and they are replacing the previous liquid standards that have been utilized in the past.
Soon after the first release of the nano-deposition standards in early December 2010, NSG has been seeing great feedback with regards to the accuracy and reliability of these UV/VIS calibration standards. Dr. Wang from University of California Riverside stated, “I threw out all my old standards right after utilizing NSG’s calibration kit.”
The Old Fashioned Way of Calibrating A Spectrophotometer
Periodic verification of the performance of UV VIS spectrophotometers is necessary by ISO 9000, GLP (Good Laboratory Practice), GMP (Good Manufacturing Practice), SOP (standard operating procedures in the pharmaceutical business), EP, DAB, USP (pharmacopeias), and other relevant standards and laws. Most calibration equipment is calibrated according to NIST standard reference material guidelines..
Periodic verification of performance of spectrophotometers typically includes testing the resolution, wavelength accuracy, photometric accuracy and stray light affect.
Traditionally, the calibration of UV VIS spectrophotometer calibration has been carried out with a mix of liquid filters and solid-state filters. The solid-state filters only permitted the checking of photometric accuracy and wavelength accuracy typically inside of the 450 nm – 630 nm range.
The liquid filters make it possible for checking the photometric accuracy, wavelength accuracy, stray light affect, and photometric resolution typically inside of the 200 nm – 660 nm range. These liquid filters meet NIST standard reference material guidelines, but the performance begins to degrade over time.
Liquid and solid-state filters are calibrated by the filter makers, and the corresponding filters performance certificates are provided to clients.
Why Liquid UV VIS Spectrophotometer Calibration Filters Are Being Replaced
Solid-state filters sustain their performance for numerous a long time when handled adequately.
Even so the performance of liquid filters degrades very much quicker due to slow irreversible chemical reactions, photonic-promoted chemical reactions, and other causes.
Thus, makers of liquid calibration standards need their clients to substitute their liquid filters each one to three years. The costs and headaches of keeping track of when or if liquid standards are calibrated properly can all be avoided due to NSG’s new calibration standards.
Modern-day improvement of nano-technology has permitted NSG Precision Cells to develop state-of-the art solid-state quantum resonance calibration filters. The intent of these new reference standards is to substitute the old fashioned liquid based filters, this kind of that clients can benefit from substantial financial savings on filter replacements and recalibrations.
Added benefits of utilizing NSG’s Nano-Deposition calibration standards is obvious. No more having to substitute or recalibrate your standards. They are uncomplicated to handle and are very robust due to the scratch resistant coatings. They give highly precise and consistent UV VIS spectrophotometer calibration each and every time.
NSG Precision Cells Provides NIST Standard Reference Material
NSG Precision Cell’s UV VIS Spectrophotometer calibration standards fit into any spectrophotometer so you don’t have to worry if they will operate in your devices. The nano-deposition standards are NIST traceable and can check and calibrate photometric accuracy, wavelength accuracy, photometric resolution and stray light affect.
Please refer to NIST calibration standards:
Photometric accuracy: SRM 930e and SRM 1930 neutral density glass filter
Wavelength accuracy: SRM 2034 Holmium oxide solution
NSG’s spectrophotometer calibration standards are calibrated according to the NIST standard reference material guidelines to ensure the highest accuracy of results.
Wavelength accuracy is attained through calibrating the peaks of several wavelengths in the UV, visible, and (wherever relevant) IR spectra. Traditionally, the Holmium Oxide and Didymium glass filters provide weaker peaks in comparison to the holmium oxide-liquid filters. A equivalent impact can be observed with the Didymium glass filters.
NSG’s proprietary nano-deposition and nano-embedded technology overcomes the drawbacks of working with solid-state filters making them better than the recent liquid-based filters. Additionally, the quantity of peaks for calibration produced by NSG’s composite medium is quantum-harmonics’ based and thus, the high quality of attained calibration of spectrophotometers is assured by fundamental principals of physics of harmonic wavelength relations.
This process is by far superior to asymmetric wavelength peaks created by a liquid medium. The type of results that can be achieved with NSG’s standards exceeds the NIST standard reference material guidelines.
NSG Cutting Costs to Help Laboratories Save Their Budgets
Based on the beneficial feedback, NSG Precision Cells says that they expect to see a great deal more scientists switching over to these new nano-deposition UV/VIS standards in early 2011. With the backing of the NIST standard reference material guidelines, NSG hopes to eliminate all types of old liquid standards. NSG has also reduced their pricing for these calibration kits to better suit the needs of these tough economic times.
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