AATCC_89_棉的丝光处理.pdfVIP

AATCC Test Method 89-2003 Mercerization in Cotton Developed in 1958 by AATCC Commit- ing of barium hydroxide, sodium carbon- 7. Reagents and Materials tee RA66; editorially revised 1974, ate and hydrochloric acid. Concentrated 1984, 1986, 1988, 1990, 1992; reaf- acids should be handled only in an 7.1 Hydrochloric acid (HCl) standard- firmed 1974, 1977, 1980, 1989, 1998, adequately ventilated laboratory hood. ized approx. 0.1N . 2003; editorially revised and reaffirmed CAUTION: Always add acid to water. 7.2 Barium hydroxide reagent 1985, 1994. 4.4 Petroleum solvent can be a com- [Ba(OH)2] approximately 0.25N (see bustible or flammable liquid, depending 13.1). on which solvent is used, and presents a 7.3 Phenolphthalein. 1. Purpose and Scope hazard. Ethanol and methanol are flam- 7.4 Petroleum solvent [BP 30-60°C mable liquids. Flammable liquids should (86-140°F)]. 1.1 This test method provides a method be stored in the laboratory only in small 7.5 Alcohol (95% ethanol or anhy- for the determination of the presence of containers away from heat, open flame drous methanol). mercerization in dyed and undyed cotton and sparks. These chemicals should not 7.6 Enzyme, starch-solubilizing. yarns and fabrics. In addition