Feature

●Periodically check the spectra, at a minimum in the area where you are doing your analysis. The periodic use of your Holmium cell will build a log of your instruments.wavelength accuracy for use with certification and troubleshooting should the correlation change over time.
●Interpretation of Results Consult your spectrophotometers reference manual for the specification of your instruments wavelength scale tolerance. This figure will be listed as a plus and minus (+/-) number in nanometers (nm).
●Add your instruments wavelength tolerance to the confidence limit on the certificate supplied with the Holmium wavelength reference. Compare the peak wavelength values measured on your instrument with the expected values calculated from your instrument mannual and the NIST traceable certificate.
●If the readings are within the expected range for your instrument, then your wavelength scale is correct. If not, consult your service technician and have your instrument evaluated.
●We are welcome you customize your size according to your need, any size and any wavelength is no problem.Pls kindly contact us via amazon or skype:ydm810921 at any time!


Description

Suggestions for Use
Holmium presents a wide range of crisply resolvable peaks
which are easily used to correlate the wavelength indicator
on your spectrophotometer to the known Holmium peaks.

The initial procedure should be to scan the filter over the
useable range to assure that all of the peaks can be
resolved. Alter the slit width and scan rate to produce a
useable spectra. Check each peak to assure that the
reading on your spectrophotometer is within the
manufacturers tolerances for the wavelength of your
spectrophotometer. If not, have a service technician check
and, if necessary, adjust your instrument. Holmium is
measured against an air blank.
Product Description
Holmium has been used as a wavelength reference for
many years and like its liquid counterpart, the holmium
glass filter produces characteristic peaks that make it
suitable for use as a wavelength reference. As a solid
reference material, the holmium glass filter is more
robust than the liquid cell as it is mounted in an anodized
aluminum housing to offer greater protection.

Holmium offers sharp, stable peaks over the range of 240 nm to 640 nm.


The holmium reference is used to assure that the
wavelength scale of your instrument is within the
manufacturers tolerances to the actual wavelength being
measured. The use of the holmium glass reference filter
assures that the optical configuration of your quality
control is exactly the same as for a normal analysis.
Package Included: 1PCS 12.5mmx45mmx1.0 mm 240-640nm Holmium Glass filter