二(?)手(Shou)顶(Ding)空(Kong)进(Jin)样(Yang)器(Qi)的(De)操(Cao)作(Zuo)步(Bu)骤(Zhou):(?)
(?) (?)1、(?)设(She)置(Zhi)参(Can)数(Shu)并(Bing)放(Fang)置(Zhi)样(Yang)品(Pin)。(?)设(She)置(Zhi)“样(Yang)品(Pin)”、(?)“阀(Fa)箱(Xiang)”、(?)“管(Guan)路(Lu)”温(Wen)度(Du)。(?)样(Yang)品(Pin)为(Wei)50度(Du),(?)阀(Fa)箱(Xiang)130度(Du),(?)管(Guan)路(Lu)140度(Du)。(?)温(Wen)度(Du)稳(Wen)定(Ding)后(Hou)放(Fang)入(Ru)样(Yang)品(Pin),(?)平(Ping)衡(Heng)30分(Fen)钟(Zhong)后(Hou)进(Jin)行(Xing)下(Xia)面(Mian)的(De)操(Cao)作(Zuo)。(?)
(?) (?)2、(?)进(Jin)样(Yang)前(Qian)吹(Chui)洗(Xi)。(?)设(She)置(Zhi)吹(Chui)洗(Xi)压(Ya)力(Li)为(Wei)0.2-0.3Mpa。(?)按(An)吹(Chui)洗(Xi)键(Jian),(?)约(Yue)30s后(Hou)关(Guan)闭(Bi)。(?)
(?) (?)3、(?)准(Zhun)备(Bei)进(Jin)样(Yang)。(?)先(Xian)将(Jiang)取(Qu)样(Yang)管(Guan)扎(Zha)入(Ru)相(Xiang)应(Ying)的(De)瓶(Ping)内(Nei),(?)再(Zai)将(Jiang)进(Jin)样(Yang)管(Guan)扎(Zha)至(Zhi)色(Se)谱(Pu)进(Jin)样(Yang)口(Kou)。(?)观(Guan)察(Cha)顶(Ding)空(Kong)进(Jin)样(Yang)器(Qi)压(Ya)力(Li)示(Shi)数(Shu),(?)由(You)小(Xiao)变(Bian)大(Da)。(?)待(Dai)稳(Wen)定(Ding)时(Shi),(?)调(Diao)节(Jie)“载(Zai)气(Qi)调(Diao)节(Jie)”旋(Xuan)钮(Niu)使(Shi)压(Ya)力(Li)示(Shi)数(Shu)增(Zeng)加(Jia)一(Yi)个(Ge)格(Ge)((?)0.02Mpa)(?)。(?)
(?) (?)4、(?)进(Jin)样(Yang)、(?)开(Kai)始(Shi)采(Cai)样(Yang)。(?)按(An)“进(Jin)样(Yang)”同(Tong)时(Shi)操(Cao)作(Zuo)色(Se)谱(Pu)仪(Yi)开(Kai)始(Shi)采(Cai)样(Yang)。(?)听(Ting)到(Dao)“咔(Ka)”然(Ran)后(Hou)“砰(Peng)”的(De)声(Sheng)音(Yin)。(?)2s-3s后(Hou)取(Qu)出(Chu)取(Qu)样(Yang)管(Guan)。(?)
(?) (?)5、(?)拔(Ba)出(Chu)进(Jin)样(Yang)管(Guan)。(?)听(Ting)到(Dao)“砰(Peng)”的(De)一(Yi)声(Sheng)此(Ci)时(Shi)进(Jin)样(Yang)灯(Deng)灭(Mie),(?)拔(Ba)出(Chu)进(Jin)样(Yang)管(Guan)。(?)将(Jiang)“载(Zai)气(Qi)调(Diao)节(Jie)”归(Gui)零(Ling)。(?)
(?) (?)6、(?)吹(Chui)洗(Xi)30s后(Hou)完(Wan)成(Cheng)本(Ben)次(Ci)进(Jin)样(Yang)。(?)
(?) (?)二(?)手(Shou)顶(Ding)空(Kong)进(Jin)样(Yang)器(Qi)使(Shi)用(Yong)注(Zhu)意(Yi)事(Shi)项(Xiang):(?)
(?) (?)1、(?)由(You)于(Yu)进(Jin)入(Ru)顶(Ding)空(Kong)的(De)载(Zai)气(Qi)同(Tong)时(Shi)进(Jin)入(Ru)GC,(?)所(Suo)以(Yi)用(Yong)于(Yu)顶(Ding)空(Kong)的(De)气(Qi)体(Ti)也(Ye)应(Ying)净(Jing)化(Hua)。(?)
(?) (?)2、(?)顶(Ding)空(Kong)瓶(Ping)加(Jia)热(Re)温(Wen)度(Du),(?)定(Ding)量(Liang)管(Guan)温(Wen)度(Du),(?)传(Chuan)输(Shu)线(Xian)温(Wen)度(Du)应(Ying)由(You)小(Xiao)到(Dao)大(Da),(?)传(Chuan)输(Shu)线(Xian)小(Xiao)于(Yu)等(Deng)于(Yu)进(Jin)样(Yang)口(Kou)的(De)温(Wen)度(Du)。(?)
(?) (?)3、(?)应(Ying)用(Yong)顶(Ding)空(Kong)时(Shi),(?)GC气(Qi)体(Ti)总(Zong)流(Liu)量(Liang)应(Ying)是(Shi)顶(Ding)空(Kong)的(De)气(Qi)流(Liu)加(Jia)上(Shang)GC气(Qi)流(Liu)量(Liang),(?)计(Ji)算(Suan)分(Fen)流(Liu)比(Bi)时(Shi)应(Ying)注(Zhu)意(Yi)。(?)可(Ke)以(Yi)用(Yong)流(Liu)量(Liang)计(Ji)测(Ce)量(Liang)后(Hou)计(Ji)算(Suan)。(?)
(?) (?)4、(?)时(Shi)间(Jian)设(She)置(Zhi)中(Zhong),(?)样(Yang)品(Pin)充(Chong)满(Man)定(Ding)量(Liang)管(Guan)的(De)时(Shi)间(Jian)应(Ying)充(Chong)分(Fen),(?)定(Ding)量(Liang)管(Guan)的(De)平(Ping)衡(Heng)时(Shi)间(Jian)不(Bu)应(Ying)太(Tai)长(Chang),(?)进(Jin)样(Yang)的(De)时(Shi)间(Jian)应(Ying)足(Zu)够(Gou)长(Chang)。(?)
(?) (?)5、(?)二(?)手(Shou)顶(Ding)空(Kong)进(Jin)样(Yang)器(Qi)价(Jia)格(Ge)的(De)压(Ya)力(Li)调(Diao)节(Jie)如(Ru)果(Guo)是(Shi)手(Shou)动(Dong)的(De)话(Hua),(?)建(Jian)完(Wan)方(Fang)法(Fa)后(Hou)应(Ying)记(Ji)录(Lu)样(Yang)品(Pin)加(Jia)压(Ya)和(He)载(Zai)气(Qi)压(Ya)力(Li)值(Zhi),(?)以(Yi)免(Mian)由(You)于(Yu)阀(Fa)状(Zhuang)态(Tai)的(De)变(Bian)化(Hua)引(Yin)起(Qi)压(Ya)力(Li)变(Bian)化(Hua)。(?)