PECTIC ACID

PECTIC ACID C화학적 특성, 용도, 생산

화학적 성질

powder pH (1%) 4.2-5

용도

forms strong resilient films and fibers

Purification Methods

Citrus pectic acid (500g) is refluxed for 18hours with 1.5L of 70% EtOH, and the suspension is filtered hot. The residue is washed with hot 70% EtOH and finally with ether. It is dried in a current of air, ground and dried for 18hours at 80o under vacuum. [Morell & Link J Biol Chem 100 385 1933.] It can be further purified by dispersing it in water and adding just enough dilute NaOH to dissolve the pectic acid, then passing the solution through columns of cation-and anion-exchange resins [Williams & Johnson Ind Eng Chem (Anal Ed) 16 23 1944], and precipitating with two volumes of 95% EtOH containing 0.01% HCl. The precipitate is worked with 95% EtOH, then Et2O, dried and ground. [Rees & Walsh Angew Chem Int Edn 16 214 1977, Rees Adv Carbohydr Chem 24 267 1969.]

PECTIC ACID 준비 용품 및 원자재

원자재

준비 용품

PECTIC ACID 공급 업체

공급자	전화	이메일	국가	제품 수	이점
BOC Sciences	+1-631-485-4226	inquiry@bocsci.com	United States	19553	58
career henan chemical co	+86-0371-86658258 15093356674;	factory@coreychem.com	China	29826	58
Alfa Chemistry	+1-5166625404	Info@alfa-chemistry.com	United States	21317	58
Shandong Xiya Chemical Co., Ltd	13355009207 13355009207	3007715519@qq.com	China	18739	57
Sinopharm Chemical Reagent Co,Ltd.	86-21-63210123	sj_scrc@sinopharm.com	China	9823	79
Beijing HuaMeiHuLiBiological Chemical	010-56205725	waley188@sohu.com	China	12338	58
Sigma-Aldrich	021-61415566 800-8193336	orderCN@merckgroup.com	China	51471	80
Codow Chemical Co.,Ltd.	18620099427	amy@howeipharm.com	China	17698	55
Shandong Xiya Chemical Co., Ltd.	4009903999 13395398332	sales@xiyashiji.com	China	20810	60
Chengdu Dianchun Technology Co., Ltd	400-1166-196 18502815961	cdhxsj@163.com	China	14623	60

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