WAV-1 UV/VIS Holmium Oxide Glass

NSG Precision Cells is a world leader in the field of spectroscopy. NSG has been manufacturing high-quality quartz and glass cuvettes for more than 50 years. Over the years, NSG has become a frequently mentioned name in every scientific laboratory.

For decades, researchers have been using liquid holmium oxide to calibrate the wavelength of their spectrophotometers, especially for the 241.5 peak, which is crucial for DNA experiments. Liquid holmium has become the most commonly used standard for the calibration of UV and visible spectrophotometers. However, a major disadvantage of liquid holmium is that it needs to be recalibrated every year. Due to the long recalibration time, the recalibration process has caused many laboratories to lose weeks or even months of research time.

To solve this problem, NSG decided to make a holmium calibration standard that does not require recalibration. The solid-state WAV-1 UV/VIS holmium oxide filter was released to the spectrum field in mid-2012. This filter revolutionized the field of spectrophotometer calibration, and scientists lined up at NSG to try to obtain one of these WAV-1 UV/VIS standards. However, WAV-1 has a weakness. It does not provide a 241.5 nm calibration peak.

Recently, NSG has further developed the technology for making WAV-1 UV/VIS calibration standards, and now provides the only solid holmium oxide glass filter with a peak of 241.5 nm. The addition of this peak provides 11 NIST-certified wavelength calibration points for the WAV-1 UV/VIS filter.

Some liquid holmium oxide filters that provide a peak at 241.5 nm have unreliable results. The liquid peak may be unclear, and some machines may have difficulty finding it. The WAV-1 UV/VIS 241.5 nm peak is clear and sharp on all 1nm spectrophotometers. Spikes are essential to ensure correct UV calibration.

Scientists who do a lot of work in the low UV range need a 241.5-point holmium oxide calibration standard. Researchers working in areas such as DNA, RNA, and nuclear science need to ensure that their machines are calibrated with 241.5 nm peaks.

NSG provides a lifetime warranty for the WAV-1 holmium oxide filter. The warranty guarantees that if the WAV-1 calibration standard does not meet the specifications, NSG will replace the filter free of charge. The researchers who upgraded to the WAV-1 filter have been boasting to their colleagues that they will never have to buy another holmium oxide filter.

NSG's calibration laboratory is ISO 17025 certified and can calibrate and recalibrate spectrophotometer standards. The WAV-1 Holmium Oxide Glass Filter is NIST traceable and manufactured using the same methods and procedures as NIST. NRC-Canada and the United States Pharmacopoeia have also certified its 241.5nm peak.

Researchers who need to save money, need a 241.5nm peak, and need an easy-to-use holmium oxide glass filter should visit the NSG Precision Cells website and purchase the WAV-1 UV/VIS filter immediately. For more detailed information, please contact NSG Precision Unit.

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