甲醛(quan)釋放量測定器 穿孔萃取儀
甲(jia)(jia)(jia)醛(quan)穿(chuan)(chuan)孔(kong)(kong)萃(cui)(cui)取(qu)儀新(xin)操作(zuo)原理(li):一、穿(chuan)(chuan)孔(kong)(kong)萃(cui)(cui)取(qu),把游(you)離甲(jia)(jia)(jia)醛(quan)從(cong)板材中全部(bu)分離出來(lai),它分為兩個過程(cheng),首先(xian)將溶(rong)劑(ji)甲(jia)(jia)(jia)苯(ben)(ben)與試件(jian)共熱。通(tong)過液-固萃(cui)(cui)取(qu)使甲(jia)(jia)(jia)醛(quan)從(cong)板材中溶(rong)解出來(lai),然后將溶(rong)有甲(jia)(jia)(jia)醛(quan)的甲(jia)(jia)(jia)苯(ben)(ben)通(tong)過穿(chuan)(chuan)孔(kong)(kong)器(qi)與水(shui)(shui)進行(xing)液-液萃(cui)(cui)取(qu),把甲(jia)(jia)(jia)醛(quan)轉溶(rong)于(yu)水(shui)(shui)中。二(er)、測定甲(jia)(jia)(jia)醛(quan)水(shui)(shui)溶(rong)液的濃度,在乙(yi)酰丙酮(tong)和(he)乙(yi)酸(suan)銨(an)混合溶(rong)液中,甲(jia)(jia)(jia)醛(quan)與乙(yi)酰丙酮(tong)反應生成(cheng)二(er)乙(yi)酰基二(er)氫盧剔啶,在波長為412MM時,它的吸光度大。 甲(jia)(jia)(jia)醛(quan)穿(chuan)(chuan)孔(kong)(kong)萃(cui)(cui)取(qu)儀新(xin)產(chan)品技術參數:1,錐形接頭,磨(mo)口配(pei)合29,322,冷凝管(guan)3,錐形接頭,磨(mo)口配(pei)合45、40和(he)71、514,穿(chuan)(chuan)孔(kong)(kong)器(qi)5,穿(chuan)(chuan)孔(kong)(kong)器(qi)附件(jian)6,球形管(guan)7,三角燒瓶 250ml8,錐形接頭,磨(mo)口配(pei)合29、32、和(he)45、409,圓(yuan)底燒瓶1000ml,磨(mo)口配(pei)合45、40