The test method indicated in this standard constitutes a procedure to determine a maturity index and estimate the weight per unit of length of loose cotton fibers, measuring by means of the micronaire the resis ance offered by a plug of cotton. cotton fibers to the air stream before and after the fibers have been swollen by treating them with a concentrated solution of sodium hydrate.
NORVEN 55-13-1961 history
1961NORVEN 55-13-1961 Test method for detecting cotton fiber maturity (by the cotton maturity method)