表(biao)(biao)(biao)面(mian)(mian)(mian)張(zhang)(zhang)力(li)(li)測(ce)定(ding)實(shi)驗(yan)裝置的(de)(de)(de)特點作用于(yu)液(ye)(ye)體表(biao)(biao)(biao)面(mian)(mian)(mian),使液(ye)(ye)體表(biao)(biao)(biao)面(mian)(mian)(mian)積縮(suo)小的(de)(de)(de)力(li)(li),稱為液(ye)(ye)體表(biao)(biao)(biao)面(mian)(mian)(mian)張(zhang)(zhang)力(li)(li)。表(biao)(biao)(biao)面(mian)(mian)(mian)張(zhang)(zhang)力(li)(li)儀(yi)它產(chan)生(sheng)的(de)(de)(de)原因是(shi)液(ye)(ye)體跟(gen)氣體接觸(chu)的(de)(de)(de)表(biao)(biao)(biao)面(mian)(mian)(mian)存在(zai)一(yi)個(ge)薄層,叫做表(biao)(biao)(biao)面(mian)(mian)(mian)層,表(biao)(biao)(biao)面(mian)(mian)(mian)層里的(de)(de)(de)分子比(bi)液(ye)(ye)體內部(bu)稀(xi)疏(shu),分子間的(de)(de)(de)距離比(bi)液(ye)(ye)體內部(bu)大一(yi)些,分子間的(de)(de)(de)相互作用表(biao)(biao)(biao)現為引力(li)(li)。就象(xiang)你要把彈(dan)簧拉開(kai)些，彈(dan)簧反而表(biao)(biao)(biao)現具有收縮(suo)的(de)(de)(de)趨勢。傳統的(de)(de)(de)表(biao)(biao)(biao)面(mian)(mian)(mian)張(zhang)(zhang)力(li)(li)儀(yi)都是(shi)采(cai)用鉑(bo)金環(huan)法原理，而這(zhe)種方式沒辦(ban)法采(cai)用動(dong)態的(de)(de)(de)形式顯(xian)示，換句話(hua)說就是(shi)只能看(kan)到Z后的(de)(de)(de)結果，而對過程(cheng)的(de)(de)(de)表(biao)(biao)(biao)面(mian)(mian)(mian)張(zhang)(zhang)力(li)(li)測(ce)試(shi)是(shi)沒辦(ban)法測(ce)試(shi)的(de)(de)(de)。表(biao)(biao)(biao)面(mian)(mian)(mian)張(zhang)(zhang)力(li)(li)測(ce)試(shi)儀(yi)則是(shi)一(yi)個(ge)動(dong)態過程(cheng)，它能夠智能控制氣泡(pao)壽命，動(dong)態顯(xian)示表(biao)(biao)(biao)面(mian)(mian)(mian)張(zhang)(zhang)力(li)(li)數值。眾多(duo)院校(xiao)選(xuan)擇南京桑(sang)力(li)(li)生(sheng)產(chan)的(de)(de)(de)表(biao)(biao)(biao)面(mian)(mian)(mian)張(zhang)(zhang)力(li)(li)測(ce)定(ding)實(shi)驗(yan)裝置。廣西(xi)本科院校(xiao)表(biao)(biao)(biao)面(mian)(mian)(mian)張(zhang)(zhang)力(li)(li)測(ce)定(ding)實(shi)驗(yan)裝置安全操(cao)作

溶液(ye)表(biao)面(mian)吸附的測(ce)(ce)定(ding)--比較大氣泡壓(ya)力(li)(li)法（表(biao)面(mian)張(zhang)力(li)(li)測(ce)(ce)定(ding)實(shi)驗(yan)裝(zhuang)置）思考題(ti)1、表(biao)面(mian)張(zhang)力(li)(li)儀的清潔與否和(he)(he)恒溫水浴溫度(du)是(shi)否穩定(ding)對測(ce)(ce)量結(jie)果有何(he)影響(xiang)？2、本實(shi)驗(yan)中為什么要讀取最大壓(ya)力(li)(li)差？實(shi)驗(yan)時將毛細管(guan)(guan)部分(fen)末端插入溶液(ye)內，對實(shi)驗(yan)結(jie)果有何(he)影響(xiang)？3、在測(ce)(ce)量過(guo)程中，抽(chou)氣的速度(du)能否過(guo)快？4、做(zuo)好本實(shi)驗(yan)要注意哪些問題(ti)？5、毛細管(guan)(guan)管(guan)(guan)口為何(he)要剛好和(he)(he)液(ye)面(mian)相切？6、毛細管(guan)(guan)不(bu)干凈(jing)，或氣泡逸出(chu)太快，將會給(gei)實(shi)驗(yan)帶來(lai)什么影響(xiang)？7、用本實(shi)驗(yan)數據(ju)能否判斷臨界膠束濃度(du)值？廣西(xi)本科院校表(biao)面(mian)張(zhang)力(li)(li)測(ce)(ce)定(ding)實(shi)驗(yan)裝(zhuang)置安(an)全操作南京桑力(li)(li)的表(biao)面(mian)張(zhang)力(li)(li)測(ce)(ce)定(ding)實(shi)驗(yan)裝(zhuang)置安(an)裝(zhuang)簡便，使用安(an)全、可(ke)靠。

溶液表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)吸(xi)附的(de)(de)(de)(de)(de)測定(ding)（表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)張(zhang)(zhang)(zhang)力(li)(li)(li)(li)(li)測定(ding)實驗(yan)裝置）討論1．溫(wen)(wen)度(du)(du)對液體(ti)和(he)(he)溶液的(de)(de)(de)(de)(de)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)張(zhang)(zhang)(zhang)力(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)影(ying)響是(shi)不(bu)可忽視的(de)(de)(de)(de)(de)，應保持較好的(de)(de)(de)(de)(de)控溫(wen)(wen)條(tiao)件。實驗(yan)說明表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)張(zhang)(zhang)(zhang)力(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)溫(wen)(wen)度(du)(du)系(xi)(xi)(xi)數(shu)是(shi)負(fu)值(zhi)。表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)張(zhang)(zhang)(zhang)力(li)(li)(li)(li)(li)與溫(wen)(wen)度(du)(du)的(de)(de)(de)(de)(de)關系(xi)(xi)(xi)，目前還有滿意的(de)(de)(de)(de)(de)方(fang)程(cheng)表(biao)(biao)(biao)(biao)示(shi)。對于(yu)非締合(he)性(xing)液體(ti)的(de)(de)(de)(de)(de)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)張(zhang)(zhang)(zhang)力(li)(li)(li)(li)(li)與溫(wen)(wen)度(du)(du)的(de)(de)(de)(de)(de)關系(xi)(xi)(xi)基(ji)本(ben)上是(shi)線性(xing)的(de)(de)(de)(de)(de)。σT=σ0[1-K(T-T0)]式中σT、σ0分(fen)別為溫(wen)(wen)度(du)(du)T和(he)(he)T0時相應的(de)(de)(de)(de)(de)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)張(zhang)(zhang)(zhang)力(li)(li)(li)(li)(li)，K為表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)張(zhang)(zhang)(zhang)力(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)溫(wen)(wen)度(du)(du)系(xi)(xi)(xi)數(shu)。2．表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)自由能和(he)(he)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)張(zhang)(zhang)(zhang)力(li)(li)(li)(li)(li)從不(bu)同(tong)的(de)(de)(de)(de)(de)角(jiao)度(du)(du)反映了表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)上存(cun)在不(bu)對稱力(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)同(tong)一事實。它們雖然表(biao)(biao)(biao)(biao)達方(fang)式、名稱和(he)(he)單位(wei)(wei)各不(bu)相同(tong)，但數(shu)值(zhi)和(he)(he)所用符號相同(tong)。可以用同(tong)一符號表(biao)(biao)(biao)(biao)示(shi)，如用γ表(biao)(biao)(biao)(biao)示(shi)。那么γ表(biao)(biao)(biao)(biao)示(shi)為表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)自由能時其單位(wei)(wei)是(shi)J/m－2,表(biao)(biao)(biao)(biao)示(shi)為表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)張(zhang)(zhang)(zhang)力(li)(li)(li)(li)(li)時其單位(wei)(wei)是(shi)N/m－1γ的(de)(de)(de)(de)(de)數(shu)值(zhi)取(qu)決與物質的(de)(de)(de)(de)(de)本(ben)性(xing)，但也受溫(wen)(wen)度(du)(du)、組成（濃(nong)度(du)(du)）及其共存(cun)的(de)(de)(de)(de)(de)另(ling)一相性(xing)質的(de)(de)(de)(de)(de)影(ying)響。

關于(yu)溶(rong)(rong)(rong)(rong)液表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)吸(xi)附的(de)測(ce)(ce)定(ding)--比(bi)較大氣(qi)泡壓力(li)法（表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)張(zhang)(zhang)(zhang)(zhang)力(li)測(ce)(ce)定(ding)實(shi)驗裝置）的(de)思考：水(shui)(shui)(shui)(shui)的(de)表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)張(zhang)(zhang)(zhang)(zhang)力(li)因加(jia)(jia)入(ru)溶(rong)(rong)(rong)(rong)質(zhi)(zhi)形(xing)成(cheng)溶(rong)(rong)(rong)(rong)液而(er)(er)改變(bian)，根據變(bian)化(hua)情況(kuang)可將(jiang)溶(rong)(rong)(rong)(rong)質(zhi)(zhi)分(fen)為(wei)(wei)幾類(lei)？答：水(shui)(shui)(shui)(shui)的(de)表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)張(zhang)(zhang)(zhang)(zhang)力(li)因加(jia)(jia)入(ru)溶(rong)(rong)(rong)(rong)質(zhi)(zhi)形(xing)成(cheng)溶(rong)(rong)(rong)(rong)液而(er)(er)改變(bian)，根據變(bian)化(hua)情況(kuang)可將(jiang)溶(rong)(rong)(rong)(rong)質(zhi)(zhi)分(fen)為(wei)(wei)兩類(lei)：1）非(fei)表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)活(huo)(huo)(huo)(huo)性(xing)(xing)物(wu)(wu)質(zhi)(zhi)能(neng)使水(shui)(shui)(shui)(shui)的(de)表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)張(zhang)(zhang)(zhang)(zhang)力(li)明(ming)顯升(sheng)高(gao)的(de)溶(rong)(rong)(rong)(rong)質(zhi)(zhi)稱(cheng)為(wei)(wei)非(fei)表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)活(huo)(huo)(huo)(huo)性(xing)(xing)物(wu)(wu)質(zhi)(zhi)。如無機鹽和(he)不(bu)揮發的(de)酸(suan)、堿(jian)等(deng)。這些物(wu)(wu)質(zhi)(zhi)的(de)離子(zi)有較強的(de)水(shui)(shui)(shui)(shui)合作用(yong)，趨向(xiang)于(yu)把水(shui)(shui)(shui)(shui)分(fen)子(zi)拖入(ru)水(shui)(shui)(shui)(shui)中，非(fei)表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)活(huo)(huo)(huo)(huo)性(xing)(xing)物(wu)(wu)質(zhi)(zhi)在表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)的(de)濃(nong)度(du)(du)低于(yu)在本(ben)體的(de)濃(nong)度(du)(du)。如果要增加(jia)(jia)單(dan)位(wei)表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)積(ji)，所(suo)作的(de)功中還(huan)必須包(bao)括克服靜電引力(li)所(suo)消(xiao)耗的(de)功，所(suo)以表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)張(zhang)(zhang)(zhang)(zhang)力(li)升(sheng)高(gao)。2）表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)活(huo)(huo)(huo)(huo)性(xing)(xing)物(wu)(wu)質(zhi)(zhi)加(jia)(jia)入(ru)后能(neng)使水(shui)(shui)(shui)(shui)的(de)表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)張(zhang)(zhang)(zhang)(zhang)力(li)明(ming)顯降低的(de)溶(rong)(rong)(rong)(rong)質(zhi)(zhi)稱(cheng)為(wei)(wei)表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)活(huo)(huo)(huo)(huo)性(xing)(xing)物(wu)(wu)質(zhi)(zhi)。這種物(wu)(wu)質(zhi)(zhi)通常(chang)含有親(qin)(qin)水(shui)(shui)(shui)(shui)的(de)極性(xing)(xing)基團和(he)憎水(shui)(shui)(shui)(shui)的(de)非(fei)極性(xing)(xing)碳鏈或(huo)碳環有機化(hua)合物(wu)(wu)。親(qin)(qin)水(shui)(shui)(shui)(shui)基團進(jin)入(ru)水(shui)(shui)(shui)(shui)中，憎水(shui)(shui)(shui)(shui)基團企圖離開(kai)水(shui)(shui)(shui)(shui)而(er)(er)指向(xiang)空氣(qi)，在界面(mian)(mian)(mian)(mian)(mian)(mian)(mian)定(ding)向(xiang)排列(lie)。表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)活(huo)(huo)(huo)(huo)性(xing)(xing)物(wu)(wu)質(zhi)(zhi)的(de)表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)濃(nong)度(du)(du)大于(yu)本(ben)體濃(nong)度(du)(du)，增加(jia)(jia)單(dan)位(wei)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)積(ji)所(suo)需的(de)功較純(chun)水(shui)(shui)(shui)(shui)小。非(fei)極性(xing)(xing)成(cheng)分(fen)愈大，表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)活(huo)(huo)(huo)(huo)性(xing)(xing)也愈大。但習(xi)慣(guan)上，只把那些溶(rong)(rong)(rong)(rong)入(ru)少量就能(neng)降低溶(rong)(rong)(rong)(rong)液表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)張(zhang)(zhang)(zhang)(zhang)力(li)的(de)物(wu)(wu)質(zhi)(zhi)，稱(cheng)為(wei)(wei)表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)活(huo)(huo)(huo)(huo)性(xing)(xing)劑。物(wu)(wu)理(li)化(hua)學實(shi)驗儀器包(bao)括表(biao)(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)(mian)張(zhang)(zhang)(zhang)(zhang)力(li)測(ce)(ce)定(ding)實(shi)驗裝置。

溶(rong)(rong)(rong)(rong)(rong)液(ye)(ye)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)吸附的(de)(de)(de)(de)(de)(de)測(ce)(ce)定(ding)--比(bi)較(jiao)大氣(qi)(qi)泡壓力(li)(li)(li)法（DP-AW-Ⅰ表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)張(zhang)力(li)(li)(li)測(ce)(ce)定(ding)實(shi)(shi)驗(yan)(yan)裝置(zhi)）實(shi)(shi)驗(yan)(yan)原理1、表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)自(zi)由(you)(you)能(neng)(neng)從熱(re)力(li)(li)(li)學觀點看，液(ye)(ye)體(ti)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)縮(suo)小(xiao)是(shi)一(yi)個(ge)自(zi)發過程，這是(shi)使體(ti)系總(zong)的(de)(de)(de)(de)(de)(de)自(zi)由(you)(you)能(neng)(neng)減小(xiao)的(de)(de)(de)(de)(de)(de)過程。如(ru)欲使液(ye)(ye)體(ti)產(chan)生(sheng)新的(de)(de)(de)(de)(de)(de)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)△A，則需要對(dui)其作(zuo)功。功的(de)(de)(de)(de)(de)(de)大小(xiao)應與△A成(cheng)正比(bi)：式(shi)中為液(ye)(ye)體(ti)的(de)(de)(de)(de)(de)(de)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)自(zi)由(you)(you)能(neng)(neng)，亦稱(cheng)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)張(zhang)力(li)(li)(li)。它(ta)表(biao)(biao)(biao)(biao)示了液(ye)(ye)體(ti)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)自(zi)動縮(suo)小(xiao)趨勢的(de)(de)(de)(de)(de)(de)大小(xiao)，其量值與液(ye)(ye)體(ti)的(de)(de)(de)(de)(de)(de)成(cheng)分、溶(rong)(rong)(rong)(rong)(rong)質的(de)(de)(de)(de)(de)(de)濃度(du)、溫度(du)及表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)氣(qi)(qi)氛等因(yin)素(su)有關。2、溶(rong)(rong)(rong)(rong)(rong)液(ye)(ye)的(de)(de)(de)(de)(de)(de)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)吸附純物質表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)層(ceng)的(de)(de)(de)(de)(de)(de)組成(cheng)與內部的(de)(de)(de)(de)(de)(de)組成(cheng)相同，因(yin)此(ci)純液(ye)(ye)體(ti)降(jiang)低(di)(di)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)自(zi)由(you)(you)能(neng)(neng)的(de)(de)(de)(de)(de)(de)途徑是(shi)盡(jin)可能(neng)(neng)縮(suo)小(xiao)其表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)積。對(dui)于溶(rong)(rong)(rong)(rong)(rong)液(ye)(ye)，由(you)(you)于溶(rong)(rong)(rong)(rong)(rong)質能(neng)(neng)使溶(rong)(rong)(rong)(rong)(rong)劑(ji)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)張(zhang)力(li)(li)(li)發生(sheng)變化，因(yin)此(ci)可以調節(jie)溶(rong)(rong)(rong)(rong)(rong)質在表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)層(ceng)的(de)(de)(de)(de)(de)(de)濃度(du)來降(jiang)低(di)(di)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)自(zi)由(you)(you)能(neng)(neng)。根據能(neng)(neng)量比(bi)較(jiao)低(di)(di)原則，溶(rong)(rong)(rong)(rong)(rong)質能(neng)(neng)降(jiang)低(di)(di)溶(rong)(rong)(rong)(rong)(rong)劑(ji)的(de)(de)(de)(de)(de)(de)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)張(zhang)力(li)(li)(li)時，表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)層(ceng)溶(rong)(rong)(rong)(rong)(rong)質的(de)(de)(de)(de)(de)(de)濃度(du)比(bi)溶(rong)(rong)(rong)(rong)(rong)液(ye)(ye)內部大；反之，溶(rong)(rong)(rong)(rong)(rong)質使溶(rong)(rong)(rong)(rong)(rong)劑(ji)的(de)(de)(de)(de)(de)(de)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)張(zhang)力(li)(li)(li)升高時，表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)層(ceng)中的(de)(de)(de)(de)(de)(de)濃度(du)比(bi)內部的(de)(de)(de)(de)(de)(de)濃度(du)低(di)(di)。這種表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)濃度(du)與溶(rong)(rong)(rong)(rong)(rong)液(ye)(ye)內部濃度(du)不同的(de)(de)(de)(de)(de)(de)現象叫做(zuo)溶(rong)(rong)(rong)(rong)(rong)液(ye)(ye)的(de)(de)(de)(de)(de)(de)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)吸附。表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)張(zhang)力(li)(li)(li)測(ce)(ce)定(ding)實(shi)(shi)驗(yan)(yan)裝置(zhi)可用于溶(rong)(rong)(rong)(rong)(rong)液(ye)(ye)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)吸附的(de)(de)(de)(de)(de)(de)的(de)(de)(de)(de)(de)(de)測(ce)(ce)定(ding)。貴(gui)州研究表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)張(zhang)力(li)(li)(li)測(ce)(ce)定(ding)實(shi)(shi)驗(yan)(yan)裝置(zhi)

表面張力測定實(shi)(shi)驗(yan)裝置(zhi)的實(shi)(shi)驗(yan)效(xiao)果(guo)如(ru)何？廣西(xi)本科院校表面張力測定實(shi)(shi)驗(yan)裝置(zhi)安全操作

用表(biao)面(mian)(mian)(mian)(mian)張(zhang)力測(ce)(ce)定(ding)(ding)實(shi)驗(yan)(yan)裝置(zhi)(zhi)做(zuo)好比(bi)較大(da)泡壓法測(ce)(ce)定(ding)(ding)溶液(ye)的(de)(de)表(biao)面(mian)(mian)(mian)(mian)張(zhang)力實(shi)驗(yan)(yan)的(de)(de)關鍵步驟有哪些？要(yao)做(zuo)好這個實(shi)驗(yan)(yan)關鍵因素(su)有：正丁醇溶液(ye)濃(nong)度要(yao)準(zhun)確配制(zhi)，測(ce)(ce)定(ding)(ding)正丁醇溶液(ye)表(biao)面(mian)(mian)(mian)(mian)張(zhang)力時按(an)從稀到濃(nong)依次進行，玻璃(li)器(qi)皿必須洗滌清潔(jie)，毛細管(guan)(guan)及測(ce)(ce)定(ding)(ding)管(guan)(guan)一定(ding)(ding)要(yao)用待測(ce)(ce)液(ye)潤洗；測(ce)(ce)定(ding)(ding)時毛細管(guan)(guan)一定(ding)(ding)要(yao)與液(ye)面(mian)(mian)(mian)(mian)保(bao)持垂直，端面(mian)(mian)(mian)(mian)剛好與液(ye)面(mian)(mian)(mian)(mian)相切(qie)；控制(zhi)好滴液(ye)瓶的(de)(de)放液(ye)速度，水(shui)的(de)(de)流(liu)速每次均(jun)應保(bao)持一致(zhi)，盡可能使氣泡呈單泡逸出，以利(li)于△pmax讀(du)數的(de)(de)準(zhun)確性；溫(wen)度應保(bao)持恒定(ding)(ding)，否則對γ的(de)(de)測(ce)(ce)定(ding)(ding)影響(xiang)較大(da)。廣西本(ben)科院校表(biao)面(mian)(mian)(mian)(mian)張(zhang)力測(ce)(ce)定(ding)(ding)實(shi)驗(yan)(yan)裝置(zhi)(zhi)安全(quan)操作

南(nan)京(jing)桑(sang)力(li)電子(zi)(zi)設備廠是(shi)一(yi)家物(wu)理化(hua)學(xue)、物(wu)理光學(xue)和精(jing)細化(hua)工(gong)儀(yi)(yi)器(qi)(qi)設備、電子(zi)(zi)設備、儀(yi)(yi)器(qi)(qi)儀(yi)(yi)表(biao)、節能產(chan)(chan)品(pin)(pin)生(sheng)(sheng)產(chan)(chan)、加工(gong)；機電產(chan)(chan)品(pin)(pin)、五金加工(gong)；汽(qi)車配(pei)件(jian)、化(hua)工(gong)產(chan)(chan)品(pin)(pin)、摩(mo)托車配(pei)件(jian)銷售，計(ji)量儀(yi)(yi)器(qi)(qi)、物(wu)理、化(hua)學(xue)、光學(xue)實(shi)(shi)驗(yan)(yan)儀(yi)(yi)器(qi)(qi)及成套實(shi)(shi)驗(yan)(yan)裝(zhuang)置和精(jing)細化(hua)工(gong)產(chan)(chan)品(pin)(pin)的研(yan)制、開(kai)發(fa)和生(sheng)(sheng)產(chan)(chan)。的公(gong)司(si)，是(shi)一(yi)家集(ji)研(yan)發(fa)、設計(ji)、生(sheng)(sheng)產(chan)(chan)和銷售為一(yi)體的專業化(hua)公(gong)司(si)。南(nan)京(jing)桑(sang)力(li)電子(zi)(zi)擁有(you)一(yi)支(zhi)經驗(yan)(yan)豐富、技(ji)(ji)術創新(xin)的專業研(yan)發(fa)團隊(dui)，以(yi)高(gao)(gao)度的專注(zhu)和執著為客(ke)戶提(ti)供(gong)表(biao)面張(zhang)力(li)實(shi)(shi)驗(yan)(yan)裝(zhuang)置，金屬相圖(tu)實(shi)(shi)驗(yan)(yan)裝(zhuang)置，凝固(gu)點(dian)實(shi)(shi)驗(yan)(yan)裝(zhuang)置，燃燒(shao)熱實(shi)(shi)驗(yan)(yan)裝(zhuang)置。南(nan)京(jing)桑(sang)力(li)電子(zi)(zi)不斷(duan)開(kai)拓創新(xin)，追求(qiu)出色(se)，以(yi)技(ji)(ji)術為先(xian)導(dao)，以(yi)產(chan)(chan)品(pin)(pin)為平(ping)臺，以(yi)應用為重點(dian)，以(yi)服(fu)務(wu)為保證，不斷(duan)為客(ke)戶創造(zao)更高(gao)(gao)價(jia)值，提(ti)供(gong)更優服(fu)務(wu)。南(nan)京(jing)桑(sang)力(li)電子(zi)(zi)始終關(guan)注(zhu)儀(yi)(yi)器(qi)(qi)儀(yi)(yi)表(biao)行業。滿足(zu)市場需求(qiu)，提(ti)高(gao)(gao)產(chan)(chan)品(pin)(pin)價(jia)值，是(shi)我們前行的力(li)量。

本(ben)文來自(zi)廣西(xi)桂林百利種苗有限公司：//a777a.cn/Article/417c8299500.html