. The world's commercial products [microform] : a descriptive account of the economic plants of the world and of their commercial uses. Plant products; Produits naturels; Produits végétaux; Natural products; Botanique agricole; Botany, Economic. 35S The World's Commercial Products (Xlin wrll-kniiAii \us to tlir L'nited States; Weld: Turnierie. wiiich is larL;ely timwu in India; and Annattn. mi widelv etiltivMled in tinpKal eonntries. Ai« iiiK. Ctma: \K. wn \irs These three imihUu Is are iil)taiiied tmni a nnini)ei- nl ditterent lieliens iniiiorted from Ceylon and .Mi)/;anil)iiinc'. the n
. The world's commercial products [microform] : a descriptive account of the economic plants of the world and of their commercial uses. Plant products; Produits naturels; Produits végétaux; Natural products; Botanique agricole; Botany, Economic. 35S The World's Commercial Products (Xlin wrll-kniiAii \us to tlir L'nited States; Weld: Turnierie. wiiich is larL;ely timwu in India; and Annattn. mi widelv etiltivMled in tinpKal eonntries. Ai« iiiK. Ctma: \K. wn \irs These three imihUu Is are iil)taiiied tmni a nnini)ei- nl ditterent lieliens iniiiorted from Ceylon and .Mi)/;anil)iiinc'. the niD.^t ini|i(irtant hein,!,' A'cdiV/./ tiiuturiii and linctorui, whirh ])ossess the priipiitK' lit |)iiidiii iiiij a \iiilet-lihie d\'e when e\])o>ed to the joint action of ammonia and air. i'lir the pieparatinn of archil the lichens are sim])ly spra\-ed with a solntion of ammonia and exposrd to the air. When the dye i^ fiiilv developed, the of lichens is extracted with water fnrminL; â â archil liipmr.'" or the may be e\-,ipor,ited to drvness formini,' â¢â¢ ; If t he treatment of the lichens with ammonia is Vm^- continued and lime is e\entually addetl to the mass before with water, the purple d\'e '"litmus'' is ob- tained. This is usnalh' sold mixed wilh chalk or powderi'd f,'yi)suni. Archil is used in wool and silk dyciiij; to IM'oduce purple coloms. is used in chemistry for the di- tcctimi of acids and alkalis : its natural purple tint is chan^'ed to vi\id red by acids and to deep blue by nn /.Ik i: .â 1 . IC, .; C â ..( i; OATIIKKINI, MIXT ESSENTIAL OILS Tut; descriiitiee term 'â \o| itile "' >er\-es to ditliifiitiale these piodiict-- from the â 'hxed "" oil.^. which (111 not e\ . on ixpnsiire to air. 'i'he older n:ime "â "" iiulicate- that the\' :ire 'â e>-cnie~."' .'.c. the ciin--titueiitv to which tile pi,nits
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotanyeconomic, booky
