电(dian)镀工(gong)(gong)业(ye)(ye)(ye)用(yong)(yong)(yong)(yong)于(yu)配(pei)制电(dian)镀液，能与铁(tie)形(xing)成络(luo)台(tai)物(wu)。毛(mao)纺(fang)工(gong)(gong)业(ye)(ye)(ye)用(yong)(yong)(yong)(yong)作(zuo)(zuo)(zuo)羊(yang)毛(mao)脱脂剂(ji)(ji)(ji)(ji)和漂(piao)(piao)毛(mao)剂(ji)(ji)(ji)(ji)。造纸(zhi)(zhi)工(gong)(gong)业(ye)(ye)(ye)用(yong)(yong)(yong)(yong)于(yu)纸(zhi)(zhi)张(zhang)和植物(wu)纤维(wei)的漂(piao)(piao)白。印(yin)染工(gong)(gong)业(ye)(ye)(ye)用(yong)(yong)(yong)(yong)作(zuo)(zuo)(zuo)印(yin)染、精漂(piao)(piao)时的助剂(ji)(ji)(ji)(ji)。日化(hua)工(gong)(gong)业(ye)(ye)(ye)用(yong)(yong)(yong)(yong)作(zuo)(zuo)(zuo)牙膏(gao)添加剂(ji)(ji)(ji)(ji)，能与磷酸氢钙形(xing)成胶(jiao)体并起到稳定作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)，还(hai)(hai)可(ke)用(yong)(yong)(yong)(yong)于(yu)合成洗涤剂(ji)(ji)(ji)(ji)和生产洗头膏(gao)等(deng)(deng)产品(pin)。水处(chu)(chu)理中作(zuo)(zuo)(zuo)为(wei)软水剂(ji)(ji)(ji)(ji)。机械加工(gong)(gong)中作(zuo)(zuo)(zuo)为(wei)除锈剂(ji)(ji)(ji)(ji)。化(hua)工(gong)(gong)生产中用(yong)(yong)(yong)(yong)作(zuo)(zuo)(zuo)分散剂(ji)(ji)(ji)(ji)和乳化(hua)剂(ji)(ji)(ji)(ji)。还(hai)(hai)可(ke)用(yong)(yong)(yong)(yong)于(yu)水处(chu)(chu)理剂(ji)(ji)(ji)(ji)、石油(you)钻探等(deng)(deng)方(fang)面，在食品(pin)工(gong)(gong)业(ye)(ye)(ye)中作(zuo)(zuo)(zuo)为(wei)品(pin)质改(gai)良剂(ji)(ji)(ji)(ji)、乳化(hua)剂(ji)(ji)(ji)(ji)、缓(huan)冲剂(ji)(ji)(ji)(ji)、螯合剂(ji)(ji)(ji)(ji)等(deng)(deng)。

焦(jiao)磷(lin)酸钠(na)有软化水(shui)的(de)(de)功(gong)能(neng)(neng)外(wai)，还能(neng)(neng)再溶(rong)(rong)解钙、镁(mei)的(de)(de)不溶(rong)(rong)性(xing)(xing)盐类，如衣服纤维中，夹杂住不溶(rong)(rong)性(xing)(xing)钙皂或其他金属皂形成的(de)(de)污(wu)垢(gou)，它能(neng)(neng)使(shi)其再溶(rong)(rong)解而提(ti)高去污(wu)能(neng)(neng)力(li)(li)(li)。另外(wai)，焦(jiao)磷(lin)酸钠(na)有反絮凝作用，使(shi)油脂起乳化作用，这(zhei)称为胶溶(rong)(rong)性(xing)(xing)质(zhi)。亦能(neng)(neng)使(shi)表面活(huo)性(xing)(xing)剂溶(rong)(rong)液进一步降低表面张力(li)(li)(li)和界(jie)面张力(li)(li)(li)，起到(dao)洗(xi)涤(di)的(de)(de)助洗(xi)作用

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