State system for ensuring the uniformity of measurements. State verification schedule for measuring means of spectral, integral and reduced regular transmittance and optical density within the wavelength range from 0,2 to 50,0 um, diffused and regular reflections within the wavelength range from 0,2 to 20,0 um
Methods for studying the effects of chemicals on the human body. Bovine corneal opacity and permeability test method for identifying chemicals inducing serious eye damage and chemicals not requiring hazard classification for eye irritation or serious eye damage