Pre-scheduled service visits are designed to verify if your instruments are complying with performance specifications laid down by the manufacture or other regulatory bodies. For good analytical practice and meeting GLP/GMP requirements it is recommended that the performance of laboratory spectrophotometers should be verified at regular intervals to ensure the generation of reliable analytical data.

British & European Pharmacopoeia       Manufacturer's Specifications

UV/Visible Spectrophotometers

Wavelength Accuracy and Photometric Accuracy: 

• Deuterium Lamp Emission Lines 486.0nm & 656.1nm.
• Holmium Glass Filters & Holium Solution - 270-640nm.
• Didymium Glass Filters - 430-890nm.
• Neutral Density Filters - Visible Range.
• Potassium Dichromate - UV Range.

Baseline Flatness.

Noise.

Stray Light Verification 198.0nm:

• Potassium Chloride Solution.

 Fluorescence Spectrophotometers

 Wavelength Accuracy, Sensitivity and Drift:

• Measuring Raman Band peak of water at 397.0nm.
• Xenon Lamp Emission Lines. 
• Signal to Noise Ratio.