濰坊玻(bo)璃儀器(qi)講(jiang)述使(shi)用(yong)標準(zhun)接口(kou)(kou)玻(bo)璃儀器(qi)的(de)(de)要(yao)點首(shou)先、使(shi)用(yong)前在(zai)磨(mo)砂(sha)口(kou)(kou)塞(sai)(sai)表面涂以(yi)少量凡士林或真(zhen)空油脂，以(yi)增強磨(mo)砂(sha)口(kou)(kou)的(de)(de)密(mi)合性(xing)，避免磨(mo)面的(de)(de)相互磨(mo)損，同(tong)時也便于接口(kou)(kou)的(de)(de)裝(zhuang)(zhuang)拆。第二、磨(mo)口(kou)(kou)塞(sai)(sai)應經常保(bao)持清(qing)潔，使(shi)用(yong)前宜用(yong)軟布揩(kai)拭干凈(jing)，但不(bu)能附(fu)上(shang)棉絮。第三、用(yong)后(hou)應立即拆卸(xie)洗凈(jing)。否則，對接處常會粘(zhan)牢(lao)，以(yi)致拆卸(xie)困(kun)難(nan)。第四、裝(zhuang)(zhuang)配時，把磨(mo)口(kou)(kou)和磨(mo)塞(sai)(sai)輕輕地(di)對旋連(lian)接，不(bu)宜用(yong)力過猛。但不(bu)能裝(zhuang)(zhuang)得太緊，只(zhi)要(yao)達到潤(run)滑密(mi)閉要(yao)求(qiu)即可(ke)。第五、裝(zhuang)(zhuang)拆時應注意相對的(de)(de)角(jiao)度，不(bu)能在(zai)角(jiao)度偏差時進行(xing)硬性(xing)裝(zhuang)(zhuang)拆，否則易造成破(po)損。表面皿可(ke)以(yi)作承載器(qi),用(yong)來承載pH試紙,使(shi)滴在(zai)試紙上(shang)的(de)(de)酸液或堿(jian)液不(bu)腐蝕實驗(yan)臺(tai)。能夠直接燒的(de)(de)玻(bo)璃儀器(qi)生產(chan)廠家

溫度(du)計可置(zhi)于(yu)供水(shui)管(guan)內(nei)也可置(zhi)于(yu)稱(cheng)(cheng)(cheng)(cheng)量(liang)后的(de)(de)(de)(de)(de)注水(shui)量(liang)器(qi)中。需(xu)要二次稱(cheng)(cheng)(cheng)(cheng)量(liang)即承(cheng)載容(rong)(rong)器(qi)稱(cheng)(cheng)(cheng)(cheng)量(liang)IL和(he)(he)空(kong)容(rong)(rong)器(qi)稱(cheng)(cheng)(cheng)(cheng)量(liang)IE是在正(zheng)常情(qing)況(kuang)下(xia)IL和(he)(he)IE是在同樣(yang)條件下(xia)進(jin)行(xing)觀測(ce)而不必對天(tian)平(ping)的(de)(de)(de)(de)(de)精確(que)零位進(jin)行(xing)調整(zheng)，可以使(shi)(shi)用(yong)(yong)單盤(pan)(pan)或(huo)雙盤(pan)(pan)天(tian)平(ping)。但對于(yu)雙盤(pan)(pan)天(tian)平(ping)則可將一(yi)只(zhi)與(yu)被稱(cheng)(cheng)(cheng)(cheng)量(liang)容(rong)(rong)器(qi)相同的(de)(de)(de)(de)(de)容(rong)(rong)器(qi)放在相對的(de)(de)(de)(de)(de)秤盤(pan)(pan)上。通過對兩者的(de)(de)(de)(de)(de)稱(cheng)(cheng)(cheng)(cheng)量(liang)作(zuo)為容(rong)(rong)器(qi)的(de)(de)(de)(de)(de)質量(liang)，兩次稱(cheng)(cheng)(cheng)(cheng)量(liang)應在盡可能短的(de)(de)(de)(de)(de)時(shi)間(jian)內(nei)完成(cheng)，以保證相同條件下(xia)稱(cheng)(cheng)(cheng)(cheng)重(zhong)。還應記(ji)錄天(tian)平(ping)室的(de)(de)(de)(de)(de)空(kong)氣(qi)溫度(du)及(ji)大氣(qi)壓力。在進(jin)行(xing)這項測(ce)量(liang)時(shi)，應仔細而迅速(su)地(di)進(jin)行(xing)，以減少(shao)蒸發損失所(suo)產(chan)生的(de)(de)(de)(de)(de)誤差。所(suo)使(shi)(shi)用(yong)(yong)的(de)(de)(de)(de)(de)天(tian)平(ping)應處于(yu)良好的(de)(de)(de)(de)(de)工(gong)作(zuo)狀態(tai)中，應將稱(cheng)(cheng)(cheng)(cheng)量(liang)量(liang)器(qi)的(de)(de)(de)(de)(de)外部(bu)清潔干凈(jing)(jing)，并(bing)小心拿(na)放以防污染，可按(an)要求用(yong)(yong)潔凈(jing)(jing)的(de)(de)(de)(de)(de)棉(mian)布擦凈(jing)(jing)，并(bing)戴上洗凈(jing)(jing)的(de)(de)(de)(de)(de)棉(mian)布手套拿(na)取。玻(bo)璃儀器(qi)不可在滴管(guan)瓶內(nei)配制(zhi)熱效應較大的(de)(de)(de)(de)(de)溶(rong)液。

對不易用(yong)(yong)毛(mao)刷刷洗(xi)的(de)(de)或用(yong)(yong)毛(mao)刷刷洗(xi)不干凈(jing)的(de)(de)玻璃(li)儀器(qi)，如滴(di)定管(guan)、容(rong)量瓶、移(yi)液管(guan)等，通(tong)常將(jiang)洗(xi)滌劑(ji)倒(dao)入(ru)或吸人容(rong)器(qi)內浸泡一段時間后(hou)，把(ba)容(rong)器(qi)內的(de)(de)洗(xi)滌劑(ji)倒(dao)入(ru)貯存(cun)瓶中備(bei)用(yong)(yong)，再用(yong)(yong)自來水沖洗(xi)和去離子水潤(run)洗(xi)。砂(sha)芯(xin)(xin)玻璃(li)濾器(qi)在使(shi)用(yong)(yong)后(hou)須立即清洗(xi)，針對濾器(qi)砂(sha)芯(xin)(xin)中殘留的(de)(de)不同沉(chen)淀物，采用(yong)(yong)適當(dang)的(de)(de)洗(xi)滌劑(ji)先溶解(jie)砂(sha)芯(xin)(xin)表面(mian)沉(chen)淀的(de)(de)固體，然后(hou)用(yong)(yong)減壓抽洗(xi)法反復用(yong)(yong)洗(xi)滌劑(ji)把(ba)砂(sha)芯(xin)(xin)中殘存(cun)的(de)(de)沉(chen)淀物全部抽洗(xi)掉，再用(yong)(yong)蒸餾水沖洗(xi)干凈(jing)，于110℃烘(hong)干，保存(cun)在防塵的(de)(de)柜(ju)子中。

玻璃(li)儀器(qi)的(de)(de)存(cun)(cun)放玻璃(li)儀器(qi)的(de)(de)存(cun)(cun)放要(yao)分門別(bie)類(lei)，便于取用(yong)(yong)。移液管洗凈(jing)后(hou)應置于防(fang)塵的(de)(de)盒(he)中。滴定管用(yong)(yong)畢洗去(qu)內(nei)存(cun)(cun)的(de)(de)溶液，用(yong)(yong)純水刷(shua)洗后(hou)注滿純水，上(shang)(shang)(shang)蓋玻璃(li)短試管或(huo)塑料(liao)套管，夾于滴定管夾上(shang)(shang)(shang)。比色皿(min)用(yong)(yong)后(hou)洗凈(jing)，在(zai)(zai)小瓷盤(pan)或(huo)塑料(liao)盤(pan)中墊上(shang)(shang)(shang)濾紙，倒(dao)置其上(shang)(shang)(shang)晾干(gan)后(hou)收放于比色皿(min)盒(he)或(huo)潔(jie)凈(jing)的(de)(de)器(qi)皿(min)中。帶磨口塞的(de)(de)玻璃(li)儀器(qi) 如容量瓶(ping)、比色管等盡量在(zai)(zai)清洗前(qian)就用(yong)(yong)線繩或(huo)塑料(liao)細絲把塞和瓶(ping)口拴好，以(yi)免打(da)破塞子(zi)或(huo)弄混。需長期(qi)保存(cun)(cun)的(de)(de)磨口儀器(qi)要(yao)在(zai)(zai)塞子(zi)和磨口問(wen)墊一紙片，以(yi)免日(ri)久(jiu)粘住。長期(qi)不(bu)用(yong)(yong)的(de)(de)滴定管應去(qu)除(chu)凡士林后(hou)，墊上(shang)(shang)(shang)紙并用(yong)(yong)皮筋拴好活(huo)塞保存(cun)(cun)。磨口塞間有砂粒不(bu)要(yao)用(yong)(yong)力轉動(dong)，也(ye)不(bu)要(yao)用(yong)(yong)去(qu)污(wu)粉擦洗磨口，以(yi)免降低其精(jing)度。成套儀器(qi)如 索氏萃取器(qi)、氣體(ti)分析器(qi)等用(yong)(yong)畢要(yao)立即洗凈(jing)，放在(zai)(zai)專(zhuan)業的(de)(de)盒(he)子(zi)里保存(cun)(cun)。表(biao)面皿(min)可以(yi)作(zuo)容器(qi),暫時呈(cheng)放固體(ti)或(huo)液體(ti)試劑,方便取用(yong)(yong)。

濰(wei)坊玻(bo)(bo)璃(li)(li)儀(yi)器分享實驗室中使用(yong)試(shi)(shi)劑(ji)(ji)瓶(ping)(ping)的要(yao)點首先、有(you)些試(shi)(shi)劑(ji)(ji)，如氫氟酸等不能用(yong)任何玻(bo)(bo)璃(li)(li)試(shi)(shi)劑(ji)(ji)瓶(ping)(ping)而(er)選(xuan)(xuan)(xuan)用(yong)塑料瓶(ping)(ping)盛(sheng)裝(zhuang)。第二、根(gen)據(ju)盛(sheng)裝(zhuang)試(shi)(shi)劑(ji)(ji)的理化(hua)性質選(xuan)(xuan)(xuan)用(yong)所需試(shi)(shi)劑(ji)(ji)瓶(ping)(ping)的一(yi)(yi)般(ban)原則是：盛(sheng)裝(zhuang)固(gu)體試(shi)(shi)劑(ji)(ji)一(yi)(yi)一(yi)(yi)選(xuan)(xuan)(xuan)用(yong)廣口瓶(ping)(ping)，盛(sheng)裝(zhuang)液體試(shi)(shi)劑(ji)(ji)——選(xuan)(xuan)(xuan)用(yong)細(xi)口瓶(ping)(ping)，盛(sheng)裝(zhuang)見(jian)光易分解或變(bian)質的試(shi)(shi)劑(ji)(ji)一(yi)(yi)一(yi)(yi)選(xuan)(xuan)(xuan)用(yong)棕色瓶(ping)(ping)，盛(sheng)裝(zhuang)低沸點易揮發的試(shi)(shi)劑(ji)(ji)一(yi)(yi)一(yi)(yi)選(xuan)(xuan)(xuan)用(yong)有(you)磨砂(sha)玻(bo)(bo)璃(li)(li)試(shi)(shi)劑(ji)(ji)瓶(ping)(ping)，盛(sheng)裝(zhuang)堿性試(shi)(shi)劑(ji)(ji)一(yi)(yi)選(xuan)(xuan)(xuan)用(yong)帶(dai)橡膠(jiao)塞(sai)試(shi)(shi)劑(ji)(ji)瓶(ping)(ping)等等。若(ruo)試(shi)(shi)劑(ji)(ji)具有(you)上(shang)述多項(xiang)理化(hua)指標時，則可根(gen)據(ju)以上(shang)原則綜合考慮，選(xuan)(xuan)(xuan)用(yong)適宜的試(shi)(shi)劑(ji)(ji)瓶(ping)(ping)。第三、有(you)塞(sai)試(shi)(shi)劑(ji)(ji)瓶(ping)(ping)不使用(yong)時，要(yao)在瓶(ping)(ping)塞(sai)與瓶(ping)(ping)口磨砂(sha)面間夾上(shang)紙條，防止粘連(lian)。如前所述，所有(you)試(shi)(shi)劑(ji)(ji)瓶(ping)(ping)都不能用(yong)于(yu)加熱(re)。如果成套玻(bo)(bo)璃(li)(li)儀(yi)器里(li)仍有(you)殘(can)(can)留物的痕跡，則要(yao)根(gen)據(ju)殘(can)(can)留物的性質選(xuan)(xuan)(xuan)用(yong)適當的化(hua)學藥品來洗滌。玻(bo)(bo)璃(li)(li)儀(yi)器

刷洗時，使試管刷在盛有水(shui)的(de)(de)成套(tao)玻璃儀(yi)器(qi)里轉動或上下(xia)移動，但用力(li)不得過猛。能夠直接燒的(de)(de)玻璃儀(yi)器(qi)生產廠家

哪些不當的(de)(de)行為會導致玻璃儀(yi)(yi)器(qi)炸(zha)(zha)裂(lie)：首先、試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)外(wai)(wai)壁(bi)有水(shui)未擦干。當加(jia)(jia)(jia)熱(re)(re)時(shi)(shi)試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)外(wai)(wai)壁(bi)有的(de)(de)地(di)方(fang)先干燥(zao)，有的(de)(de)地(di)方(fang)后(hou)干燥(zao)，由于受(shou)(shou)(shou)(shou)熱(re)(re)不均(jun)勻(yun)，而(er)引起(qi)(qi)試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)炸(zha)(zha)裂(lie)。第二、夾持試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)的(de)(de)鐵夾過(guo)緊(jin)，未留出試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)受(shou)(shou)(shou)(shou)熱(re)(re)膨脹(zhang)的(de)(de)余地(di)，使試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)受(shou)(shou)(shou)(shou)熱(re)(re)膨脹(zhang)發生(sheng)炸(zha)(zha)裂(lie)。第三、給(gei)試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)中(zhong)的(de)(de)液(ye)體(ti)加(jia)(jia)(jia)熱(re)(re)時(shi)(shi)，試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)中(zhong)的(de)(de)液(ye)體(ti)超過(guo)試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)容積的(de)(de)三分之一，加(jia)(jia)(jia)熱(re)(re)過(guo)程中(zhong)有液(ye)體(ti)從(cong)試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)中(zhong)逸出而(er)灑在試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)外(wai)(wai)壁(bi)而(er)引起(qi)(qi)試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)炸(zha)(zha)裂(lie)。第四、給(gei)試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)中(zhong)的(de)(de)固體(ti)藥品(pin)加(jia)(jia)(jia)熱(re)(re)時(shi)(shi)，試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)口沒稍向下傾斜，由于反(fan)應過(guo)程中(zhong)有水(shui)生(sheng)成或原來(lai)固體(ti)藥品(pin)中(zhong)含(han)有濕存(cun)水(shui)的(de)(de)緣(yuan)故，水(shui)從(cong)試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)口流(liu)向試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)底而(er)引起(qi)(qi)試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)炸(zha)(zha)裂(lie)。第五(wu)、給(gei)試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)加(jia)(jia)(jia)熱(re)(re)時(shi)(shi)，沒先給(gei)整個試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)均(jun)勻(yun)受(shou)(shou)(shou)(shou)熱(re)(re)，而(er)是直接給(gei)實驗室玻璃儀(yi)(yi)器(qi)中(zhong)的(de)(de)放藥品(pin)部分的(de)(de)試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)處加(jia)(jia)(jia)熱(re)(re)，而(er)引起(qi)(qi)試(shi)(shi)(shi)(shi)(shi)管(guan)(guan)(guan)(guan)炸(zha)(zha)裂(lie)。能夠(gou)直接燒的(de)(de)玻璃儀(yi)(yi)器(qi)生(sheng)產廠家

本文來(lai)自四(si)川精碳偉業環保科技有限責任公司：//wasul.cn/Article/83e5899858.html