USP 857 UV-Vis Instrument Qualification Set

This set contains all standards required to qualify a UV-Vis Spectrophotometer according to USP <857> criteria. All standards are certified in sealed 10 mm cuvettes and come with a five year warranty when re-qualified annually. It comes with a protective case and includes the following:
 
Control of Wavelength Accuracy/Precision:
Holmium Oxide in Perchloric Acid
Didymium in Perchloric Acid
 
Control of Absorbance Accuracy/Precision:
Potassium dichromate in Perchloric Acid plus blank (includes 5 concentration; 20 mg/L, 60 mg/L, 80 mg/L, 200 mg/L, 600 mg/L or others if requested).
 
Limit of Stray Light:
Potassium chloride (12 g/L)
Sodium iodide (10 g/L)
Sodium nitrite (50 g/L)
Acetone
 
Control of Resolution:
Toluene in Hexane (0.02 % v/v) and hexane blank