島(dao)津(jin)原子吸收(shou)分光(guang)光(guang)度(du)計空(kong)心陰極燈,又稱元素燈。Shimadzu HOLLOW CATHODE LAMP,島(dao)津(jin)原裝(zhuang)純正零備件。
島津空心陰極(ji)燈 As(砷(shen))L233-33NQ,Shimadzu HOLLOW CATHODE LAMP: As L233,訂(ding)貨編(bian)號:200-38422-42
鎂燈(deng)/空心(xin)陰極燈(deng),又稱(cheng)元(yuan)(yuan)素燈(deng),簡稱(cheng)HCL(Hollow Cathode Lamp),是原(yuan)子吸收光(guang)譜(pu)儀(AAS)中的關鍵部(bu)件(jian)之一。鎂燈(deng)作(zuo)為分(fen)析光(guang)源(yuan)主要用(yong)來提供被測(ce)元(yuan)(yuan)素的銳線(xian)光(guang)譜(pu),能(neng)(neng)發(fa)射待測(ce)元(yuan)(yuan)素的特(te)征譜(pu)線(xian),在較低(di)工作(zuo)電(dian)流條件(jian)下(xia),能(neng)(neng)輻(fu)射強度較大(da)的特(te)征譜(pu)線(xian),譜(pu)線(xian)寬度窄,自吸效(xiao)(xiao)應(ying)小,燈(deng)的輻(fu)射立體角小,在使(shi)用(yong)效(xiao)(xiao)果(guo)上近似于一個點光(guang)源(yuan),使(shi)燈(deng)輻(fu)射的特(te)征譜(pu)線(xian)能(neng)(neng)量幾(ji)乎(hu)全部(bu)從原(yuan)子化器內通過(guo),并進入單(dan)色器分(fen)光(guang)系統。