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    • Used to qualify the spectral response of a spectrofluorometer and can also, over a limited concentration range (up to 1 mg/l), be used as a linearity check.
    • Cited in USP Chapter <853> for spectrofluorometer qualification.
    • Usable range 375 nm to 675 nm
    • Calibration Certificate tabulates corrected relative emission intensities for the reference at 5 nm intervals, using an excitation wavelength of 347.5 nm. Intensity correction factors can be derived from intensity values measured on the instrument under test.
    • Quinine sulfate dihydrate in perchloric acid is designated SRM 936a by NIST and was one of the first reference materials developed for use in fluorescence spectroscopy.
 

 

 

 

A Certificate of Validation and full instructions for use are provided with each Reference Material. Starna Scientific is accredited to both ISO 17034 as a Reference Material producer and ISO/IEC 17025 as a Calibration Laboratory for optical reference measurements. Starna offers a Lifetime Guarantee on all its Reference Materials.