片(pian)堿
化(hua)學(xue)名氫氧化(hua)鈉(na),白色(se)半(ban)透明片狀固體,為(wei)基本化(hua)工(gong)(gong)原料,廣泛用于(yu)造(zao)紙、合成洗滌及(ji)肥(fei)皂(zao)、粘膠(jiao)纖維(wei)、人造(zao)絲(si)及(ji)綿織品等輕(qing)紡(fang)工(gong)(gong)業(ye)(ye)方面(mian)(mian),農藥(yao)、染料、橡膠(jiao)和(he)化(hua)學(xue)工(gong)(gong)業(ye)(ye)方面(mian)(mian),石(shi)油(you)鉆探、精煉石(shi)油(you)油(you)脂和(he)提煉焦油(you)的(de)石(shi)油(you)工(gong)(gong)業(ye)(ye),以及(ji)國防工(gong)(gong)業(ye)(ye)、機(ji)械工(gong)(gong)業(ye)(ye)、木材加工(gong)(gong)、冶金工(gong)(gong)業(ye)(ye)、醫藥(yao)工(gong)(gong)業(ye)(ye)及(ji)城市建(jian)設(she)等方面(mian)(mian)。還用于(yu)制(zhi)造(zao)化(hua)學(xue)品、紙張、肥(fei)皂(zao)和(he)洗滌劑、人造(zao)絲(si)和(he)玻璃紙,加工(gong)(gong)鋁礬(fan)土制(zhi)氧化(hua)鋁,還用于(yu)紡(fang)織品的(de)絲(si)光處(chu)、水(shui)處(chu)理等。