This standard specifies two test methods for the determination of protein content in protein viscose fibers. Including method A - Kjeldahl nitrogen determination method and method B - sodium hypochlorite method. This standard applies to the determination of protein content in protein viscose fibers.
FZ/T 50018-2013 Referenced Document
GB/T 14334 Sampling method for man-made staple fibres
GB/T 4146 Textile terms and terminology(parts of chemical fibers)