SN/T 1690.1-2012 New analytical methods for textile fiber composition - Part 1: Determination of soybean protein composite fiber content by nitric acid method (English Version)
2012SN/T 1690.1-2012 New analytical methods for textile fiber composition - Part 1: Determination of soybean protein composite fiber content by nitric acid method
2005SN/T 1690.1-2005 Test method of qualitative and quantitative analysis for new kind of textile fibers--Part 1: Soybean protein fiber