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dyed with mauveine at the royal exhibition of in london. by kind permission of the society of dyers and colourists. the absorption of visible light energy by the compound promotes electrons in the molecule from a low energy state, the ground state, to a higher energy state, the excited state. the molecule...
remember me sign in recover your password. a password will be e-mailed to you. contact us converter/calculator companies events products machinery jobs rss contributors q & a textile school - a knowledge-base repository oftextile articles fiber manmade fiber natural fiber yarn ring-spinning open-end...