Potassium dichromate standard solutions in sulfuric acid (0.01N)

Analysis Note
Absorbance measured in a 10 mm cells at 20 ± 1 °C against sulfuric acid reference solution:
50 mg/l 100 mg/l
235 nm 0.621 ± 0.02 1.242 ± 0.02
257 nm 0.722 ± 0.02 1.444 ± 0.02
313 nm 0.242 ± 0.02 0.484 ± 0.02
350 nm 0.536 ± 0.02 1.071 ± 0.02
Absorbance (235 nm; 50 mg/l): 0.601 – 0.641
Absorbance (257 nm; 50 mg/l): 0.702 – 0.742
Absorbance (313 nm; 50 mg/l): 0.222 – 0.262
Absorbance (350 nm; 50 mg/l): 0.516 – 0.556
Absorbance (235 nm; 100 mg/l): 1.222 – 1.262
Absorbance (257 nm; 100 mg/l): 1.424 – 1.464
Absorbance (313 nm; 100 mg/l): 0.464 – 0.504
Absorbance (350 nm; 100 mg/l): 1.051 – 1.091
Application
Potassium dichromate standard solutions in sulfuric acid (0.01N) for calibrating the absorbance of spectrophotometers
Applicable for quality control checks and system suitability tests
May be used to calibrate a newly installed instrument or after a major repair of an instrument
General description
Test set for calibrating the absorbance of spectrophotometers