Z800929
Hellma® calibration standard, Didymium glass filter
F7W, for testing the wavelength accuracy
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UNSPSC Code:
12000000
NACRES:
SB.32
Recommended Products
grade
certified reference material
manufacturer/tradename
Hellma (666-F7W)
application(s)
food and beverages
petroleum
pharmaceutical
plastics
format
neat
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General description
Didymium Glass Filter F7W (peak positions in nm: 329; 472; 512; 681; 875)
Application
Hellma® calibration standard, Didymium glass filter for checking the wavelength accuracy of spectrophotometers in the ultraviolet and visible range.
Features and Benefits
- Accredited to DAkkS Deutsche Akkreditierungsstelle (National accreditation body for the Federal Republic of Germany)
- Traceable to NIST (National Institute of Standards and Technology)
- Assured Quality of the measurement results
- Proven accuracy and reliability
Other Notes
The most current version of Hellma's handling guidelines for calibration standards can be accessed on the Hellma Analytics web site.
Legal Information
Hellma is a registered trademark of Hellma GmbH
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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