Agba nke resin
Ọdịdị
Agba nke resin
Resin saop bu Ncha etinyere nnu(o kachasi sodium) Nke resin acids(o kachasi abietic acid). O bu ncha yellowish gelatinous pasty Nke eji achari akwa na ehicha Ihe. Ejikwa ya eme Ihe na rubber industry.
A na-eme ncha resin site na imeghachi omume resin acid na osisi na sodium hydroxide, dị ka ihe sitere na Usoro Kraft maka imepụta pulp osisi. A na-akpọkwa ya ncha Kraft.
Acidification nke ncha resin na-emepụta mmanụ dị elu.
A na-edozi ncha pine site na ncha resin site na mmanụ dị elu site na acidization, refining na resaponification. [1]
Ihe odide
[dezie | dezie ebe o si]- ↑ Barnes (2017). "Topical pine tar: History, properties and use as a treatment for common skin conditions" (in en). Australasian Journal of Dermatology 58 (2): 80–85. DOI:10.1111/ajd.12427. ISSN 1440-0960. PMID 26790564.