สำนักราชบัณฑิตยสภา

The Journal of the Royal Institute of Thailand √–∫∫∑ÿ ππ‘ ¬¡¿“¬„µâ √–∫Õ∫ª√–™“∏‘ ª‰µ¬·∫∫‰∑¬ Properties of Industrial Thai Silks Reeled by Hand and by Machine Vol. 32 No. 1 Jan.-Mar. 2007 140 Whiteness Raw silk fibers 100 50 0 -50 -100 -150 -200 -250 -300 C4 (hand) C4 (m/c) C6 (hand) C6 (m/c) C1 (hand) C1 (m/c) Chi (m/c) Whiteness Degummed silk fibers C4 (hand) C4 (m/c) C6 (hand) C6 (m/c) C1 (hand) C1 (m/c) Chi (m/c) 100 50 0 -50 -100 -150 -200 -250 -300 (a) the raw silks (b) the degummed silks Figure 3. Whiteness of (a) the raw silks and (b) the degummed silks. [Cl for Chul 1; C4 for Chul 4; C6 for Chul 6; Chi for Chinese filaments; hand for hand reeling; m/c for machine reeling]