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Didymium glass filter for UV Vis-Spectrophotometer

Didymium glass filter for UV Vis-Spectrophotometer

Product Details:

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Product Description

Didymium glass filter

NAC432666-F7 Didymium glass filter

Description

Didymium glass filter, solid filter, certified

Use

Assessment of wavelength accuracy in both the UV and visible range (329 nm to 875 nm) with a spectral bandwidth up to 2 nm

Material

Glass BG 36 of SCHOTT Glaswerke

The didymium glass filter 666-F7 made of SCHOTT glass BG 36 can be supplied to check the wavelength accuracy in both the UV and visible range.

This filter can additionally be used to check the photometric accuracy at wavelengths of 270 nm, 280 nm, 297 nm, 320 nm and 340 nm. Didymium glass shows a spectrum with a multitude of highly defined peaks. The heights and positions of these peaks are dependent on and will vary with the chosen slit width of the measuring instrument.


Typical spectrum of a Didymium glass filter

Type

Material

Thickness

Absorbance at nm

666-F7

Didymium Glass BG 36

ca. 1,2 mm

329, 472, 512, 681, 875


NATIONAL ANALYTICAL CORPORATION

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