Standard for spectrophotometer calibration, Holmium oxide solution UV/Visible wavelength standard at 240 to 640 nm, certified at 0,1 nm; 0,2 nm; 0,5 nm; 1,0 nm and 2,0 nm slit widths (single permanently sealed UV cuvette), VWR, 1 * 1 SET
CAS Number:
UN No: 1802
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