Stray Light Standards
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Thermo Scientific™

Stray Light Standards

Thermo Scientific™ NIST™ traceable standards verify spectrophotometer stray light specification.
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Catalog NumberTypeWavelength Range
9423UV95500EStray Light Standard, NaI250 to 270 nm
9423UV95520EStray Light Standard, KCl190 to 210 nm
222226500Stray Light Standard, NaNO2380 to 400 nm
Catalog number 9423UV95500E
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Type:
Stray Light Standard, NaI
Wavelength Range:
250 to 270 nm
Thermo Scientific™ NIST™ traceable standards verify spectrophotometer stray light specification.

Each Thermo Scientific Stray Light Standard stops transmitting light below a specific wavelength. Below this cut-off, any measured value can be attributed to instrumental stray light. A measured value of stray light that does not meet instrument specifications may indicate a problem with the instrument lamp and may result in analytical errors.

The following standards are available for stray light measurements:

  • Potassium Chloride, cutoff at 200nm
  • Sodium Iodide, cutoff at 260nm
  • Sodium Nitrate, cutoff at 390nm

Stray Light Standards are provided in permanently sealed quartz cuvettes. A water blank corresponding to each specific standard is supplied with every Stray Light Standard for performing blank readings.

Specifications
CalibrationNIST Traceable
For Use With (Equipment)Evolution 60S, 201, 220 260 Bio, 300, GENESYS 10S, BioMate 3S
IncludesBlank and 10 g/L NaI Standard
TypeStray Light Standard, NaI
Wavelength Range250 to 270 nm
Unit SizeEach