Textiles. Quantitative chemical analysis. Part 21. Mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates and certain other fibres (method using cyclohexanon)
State system for ensuring the uniformity of measurements. State verification schedule for means of measuring of the energy, of the distribution of energy density, of the pulse duration and of the laser wavelength in the wavelength range from 0,3 to 2,0 m
