Liquid Filter Type 667-UV060 for testing the photometric accuracy according to Ph. Eur.

Liquid filter type 667-UV060 for testing the photometric accuracy according to Ph. Eur., content: 60 mg/l Potassium dichromate in perchloric acid, absorption: 0.3 - 0.9, certified at wavelengths: 235, 257, 313, 350 nm, in high quality storage box with DAkkS calibration certificate