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This design is used by several instrument manufacturers as a quantum counter  to determine spectral response factors, and thereby calculate 'corrected' fluorescence spectra.

A high concentration of Rhodamine 101 is dissolved in an organic solvent. The solution is permanently heat-sealed into a triangular high quality far UV quartz cell.


In use, a small proportion of the spectrofluorometer excitation radiation is directed on to the front surface of the quantum counter. The cell is designed to provide unity quantum conversion, i.e. one-to-one excitation to emission, so the resulting fluorescence is directly proportional to the intensity of the excitation radiation.

 

TB-RHOD  

 
 

A Certificate of Calibration and Traceability and full instructions for use are provided with each Reference Material. Starna Scientific is accredited to both ISO 17034 (4001) as a Reference Material producer, and ISO/IEC 17025 (0659) as a Calibration Laboratory for optical reference measurements. Starna offers a Lifetime Guarantee on all its Reference Materials.