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【名稱】硼(peng)酸(suan)
【英(ying)文名(ming)稱】Boric Acid
【分子式】H3BO3
【CAS】10043-35-3
【質量標準(zhun)】
項目 |
指標 |
項目(mu) |
指標 |
外(wai)觀 |
白色粉末狀結晶 |
氯化物CL |
≤0.10% |
含量H3BO4 |
≥99.8% |
鐵Fe |
≤0.003% |
水(shui)不溶物 |
≤0.04% |
氨NH3 |
≤0.50% |
硫酸鹽SO4 |
≤0.20% |
|
|
【性(xing)質】白色粉末狀結晶(jing),有滑膩手感(gan),無嗅味,溶(rong)(rong)于(yu)水(shui)、乙醇、甘油(you)、醚類及香精油(you)中(zhong),在水(shui)中(zhong)溶(rong)(rong)解度(du)隨溫度(du)升高(gao)而增大;在無機酸中(zhong)溶(rong)(rong)解度(du)比在水(shui)中(zhong)溶(rong)(rong)解度(du)小,微溶(rong)(rong)于(yu)丙酮,水(shui)溶(rong)(rong)液呈弱酸性(xing)。
【用(yong)途】硼(peng)(peng)酸(suan)(suan)是(shi)一種應用(yong)廣泛(fan)的(de)(de)基礎(chu)化(hua)工(gong)(gong)原料,硼(peng)(peng)硅酸(suan)(suan)玻(bo)(bo)璃(li)(li)的(de)(de)原料,大量用(yong)于玻(bo)(bo)璃(li)(li)(光學玻(bo)(bo)璃(li)(li)、耐酸(suan)(suan)玻(bo)(bo)璃(li)(li)、耐熱玻(bo)(bo)璃(li)(li)、玻(bo)(bo)璃(li)(li)纖維(wei))工(gong)(gong)業。醫藥(yao)工(gong)(gong)業中(zhong)(zhong)(zhong)用(yong)于生(sheng)產硼(peng)(peng)酸(suan)(suan)軟膏,消毒劑(ji),收斂劑(ji),防腐(fu)劑(ji)等。冶金工(gong)(gong)業作(zuo)(zuo)用(yong)于生(sheng)產硼(peng)(peng)鋼中(zhong)(zhong)(zhong)的(de)(de)添加劑(ji),助溶(rong)劑(ji)。在(zai)電(dian)鍍中(zhong)(zhong)(zhong)用(yong)作(zuo)(zuo)弱(ruo)酸(suan)(suan)性鍍液(ye)和化(hua)學處理溶(rong)液(ye)的(de)(de)緩沖劑(ji),用(yong)于硼(peng)(peng)酸(suan)(suan)鹽溶(rong)液(ye)中(zhong)(zhong)(zhong)防止(zhi)產生(sheng)游離的(de)(de)氫氟酸(suan)(suan)。在(zai)化(hua)學工(gong)(gong)業中(zhong)(zhong)(zhong)用(yong)于生(sheng)產各種硼(peng)(peng)酸(suan)(suan)鹽類,硼(peng)(peng)化(hua)肥等,在(zai)搪(tang)瓷、陶瓷業中(zhong)(zhong)(zhong)用(yong)于增強(qiang)產品的(de)(de)光澤(ze)和堅牢度,也(ye)是(shi)釉藥(yao)和顏料的(de)(de)成份之(zhi)一。可(ke)用(yong)于木材的(de)(de)防腐(fu),在(zai)金屬焊接、皮革(ge)、照相、染料、耐熱防火織(zhi)物、人(ren)造寶石(shi)、電(dian)容器、化(hua)妝品都(dou)用(yong)它,還可(ke)作(zuo)(zuo)殺蟲劑(ji)和催化(hua)劑(ji)。