Hellma

Hellma Flüssig-Filter-Komplett-Set UV857V2

Name: Hellma Flüssig-Filter-Komplett-Set UV857V2
Brand: Hellma

Filter Basis Set type 667-UV857V2 for testing the spectrophotometer according USP 857, Filter Set consisting of 3 glass filters and 7 liquid filters: Testing of stray light with Sodium nitrite in pure water with light path 10 mm (UV11) and reference filter Sodium nitrite in pure water with light path 5 mm (UV11H), certified at wavelength: 385 nm (cut-off); Testing the wavelength accuracy with Holmium in perchloric acid (UV5) certified at wavelengths: 241, 250, 278, 287, 333, 345, 361, 385, 416, 452, 468, 485, 536, 640 nm; Testing the resolution with Toluene in hexane (UV6) and reference filter haxane (UV9), certified at wavelengths: 265 - 270 nm; Testing the photometric accuracy in the UV-range with Potassium dichromate 60 mg/l in perchloric acid (UV60) absorptions: 0.3 - 0.9 and reference filter perchloric acid (UV14) certified at wavelengths: 235, 257, 313, 350 nm; Testing the photmetric accuracy in th Vis range with neutral density glass filters (F2, F3, F4) with the absorptions: 0.Show more

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