Sets for checking photometric accuracy

Liquid filter sets for control of absorbance accuracy

Niacin Filter Sets according to Ph. Eur. (EP 11)

Article-No.	Application	Content	certified wavelengths in nm
667S501	Control of absorbance accuracy in the UV range	UV506, 6 mg/l Niacin in HCl (0.25 Abs) UV512, 12 mg/l Niacin in HCl (0.5 Abs) UV524, 24 mg/l Niacin in HCl (1.0 Abs) UV599, Hydrochloric acid (HCl), reference flter	213, 261
667350	Control of absorbance accuracy in the UV range	UV506, 6 mg/l Niacin in HCl (0.25 Abs) UV512, 12 mg/l Niacin in HCl (0.5 Abs) UV518, 18 mg/l Niacin in HCl (0.75 Abs) UV524, 24 mg/l Niacin in HCl (1.0 Abs) UV599, Hydrochloric acid (HCl), reference flter	213, 261

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Potassium dichromate filter sets:

Article-No.	Application	Content	certified wavelengths in nm
667301	Control of absorbance accuracy in the UV range	UV60, 60 mg/l (0.3 - 0.9 Abs) Potassium dichromate in HClO4 UV14, Perchloric acid (HClO4), reference filter	235, 257, 313, 350
667304	Control of absorbance accuracy in the Vis range	UV600, 600 mg/l (1.0 Abs) Potassium dichromate in HClO4 UV14, Perchloric acid (HClO4), reference filter	430
667305	Control of absorbance accuracy in the UV/Vis range	UV60, 60 mg/l (0.3 - 0.9 Abs) Potassium dichromate in HClO4 UV600, 600 mg/l (1.0 Abs) Potassium dichromate in HClO4 UV14, Perchloric acid (HClO4), reference filter	235, 257, 313, 350 430

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Optical Reference Materials (Brochure & User Manual EN)

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