化工原料種(zhong)(zhong)類很多，用途很廣，化(hua)工原料一(yi)般由硫、鈉、磷、鉀(jia)、鈣等成分組成。化(hua)學(xue)品(pin)在(zai)(zai)全世界有500～700萬種(zhong)(zhong)之多，在(zai)(zai)市場上(shang)出售流通的(de)已超過10萬種(zhong)(zhong)，而且(qie)每年(nian)還有1000多種(zhong)(zhong)新的(de)化(hua)學(xue)品(pin)問世，且(qie)其中有150～200種(zhong)(zhong)被認為是(shi)致(zhi)癌物。

　　化(hua)工(gong)(gong)(gong)(gong)原(yuan)料(liao)(liao)(liao)(liao)(liao)一(yi)般可(ke)分為三(san)大級(ji)(ji)(ji)(ji)別：食(shi)品(pin)級(ji)(ji)(ji)(ji)化(hua)工(gong)(gong)(gong)(gong)原(yuan)料(liao)(liao)(liao)(liao)(liao)、工(gong)(gong)(gong)(gong)業級(ji)(ji)(ji)(ji)化(hua)工(gong)(gong)(gong)(gong)原(yuan)料(liao)(liao)(liao)(liao)(liao)、醫(yi)用級(ji)(ji)(ji)(ji)化(hua)工(gong)(gong)(gong)(gong)原(yuan)料(liao)(liao)(liao)(liao)(liao)。這三(san)種(zhong)級(ji)(ji)(ji)(ji)別分化(hua)的(de)(de)主要依據是化(hua)工(gong)(gong)(gong)(gong)原(yuan)料(liao)(liao)(liao)(liao)(liao)本(ben)身的(de)(de)純(chun)(chun)度。純(chun)(chun)度最高(gao)(gao)的(de)(de)是醫(yi)用級(ji)(ji)(ji)(ji)化(hua)工(gong)(gong)(gong)(gong)原(yuan)料(liao)(liao)(liao)(liao)(liao)，其次(ci)是食(shi)品(pin)級(ji)(ji)(ji)(ji)化(hua)工(gong)(gong)(gong)(gong)原(yuan)料(liao)(liao)(liao)(liao)(liao)，最后是工(gong)(gong)(gong)(gong)業級(ji)(ji)(ji)(ji)化(hua)工(gong)(gong)(gong)(gong)原(yuan)料(liao)(liao)(liao)(liao)(liao)。一(yi)般來說可(ke)以(yi)(yi)使用高(gao)(gao)純(chun)(chun)度的(de)(de)化(hua)工(gong)(gong)(gong)(gong)原(yuan)料(liao)(liao)(liao)(liao)(liao)替(ti)代低純(chun)(chun)度的(de)(de)化(hua)工(gong)(gong)(gong)(gong)原(yuan)料(liao)(liao)(liao)(liao)(liao)，但是低純(chun)(chun)度的(de)(de)化(hua)工(gong)(gong)(gong)(gong)原(yuan)料(liao)(liao)(liao)(liao)(liao)不(bu)可(ke)替(ti)代高(gao)(gao)純(chun)(chun)度的(de)(de)化(hua)工(gong)(gong)(gong)(gong)原(yuan)料(liao)(liao)(liao)(liao)(liao)。不(bu)過(guo)要綜(zong)合考慮到生產(chan)(chan)的(de)(de)成本(ben)問(wen)題，很少(shao)有廠(chang)商會使用以(yi)(yi)高(gao)(gao)替(ti)低的(de)(de)這種(zhong)生產(chan)(chan)方法。

　　每一(yi)種化(hua)工(gong)原(yuan)料(liao)的(de)級別(bie)都不(bu)是固(gu)定的(de)，而(er)是根據(ju)不(bu)同化(hua)工(gong)原(yuan)料(liao)的(de)原(yuan)料(liao)質(zhi)量、生產工(gong)藝等所決(jue)定的(de)。比(bi)如A醫藥(yao)級別(bie)化(hua)工(gong)原(yuan)料(liao)的(de)純(chun)度需要在(zai)90%以上，而(er)B醫藥(yao)級別(bie)化(hua)工(gong)原(yuan)料(liao)的(de)純(chun)度則需要在(zai)95%以上。

　　東莞琪康生(sheng)產(chan)和銷售(shou)食品級(ji)化(hua)工原料(liao)、工業級(ji)化(hua)工原料(liao)、醫用級(ji)化(hua)工原料(liao)，價格優惠，產(chan)品質量上等，各(ge)種資質齊全，放心選(xuan)購。琪康以誠信經營為宗旨，在(zai)同行業激烈(lie)的(de)市(shi)場競爭中(zhong)脫(tuo)穎而出，深得合作伙(huo)伴的(de)信賴。

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