(?) (?)
固(Gu)相(Xiang)萃(Cui)取(Qu)柱(Zhu)是(Shi)利(Li)用(Yong)固(Gu)体(Ti)吸(Xi)附(Fu)剂(Ji)将(Jiang)液(Ye)体(Ti)样(Yang)品(Pin)中(Zhong)的(De)目(Mu)标(Biao)化(Hua)合(He)物(Wu)吸(Xi)附(Fu),(?)与(Yu)样(Yang)品(Pin)的(De)基(Ji)体(Ti)和(He)干(Gan)扰(Rao)化(Hua)合(He)物(Wu)分(Fen)离(Li),(?)然(Ran)后(Hou)再(Zai)用(Yong)洗(Xi)脱(Tuo)液(Ye)洗(Xi)脱(Tuo)或(Huo)加(Jia)热(Re)解(Jie)吸(Xi)附(Fu),(?)达(Da)到(Dao)分(Fen)离(Li)和(He)富(Fu)集(Ji)目(Mu)标(Biao)化(Hua)合(He)物(Wu)目(Mu)的(De)的(De)设(She)备(Bei),(?)其(Qi)能(Neng)有(You)效(Xiao)降(Jiang)低(Di)样(Yang)品(Pin)基(Ji)质(Zhi)干(Gan)扰(Rao),(?)提(Ti)高(Gao)分(Fen)析(Xi)检(Jian)测(Ce)的(De)灵(Ling)敏(Min)度(Du),(?)广(Guang)泛(Fan)用(Yong)于(Yu)食(Shi)品(Pin)安(An)全(Quan)检(Jian)测(Ce)、(?)农(Nong)产(Chan)品(Pin)残(Can)留(Liu)监(Jian)控(Kong)、(?)医(Yi)药(Yao)卫(Wei)生(Sheng)、(?)环(Huan)境(Jing)保(Bao)护(Hu)、(?)商(Shang)品(Pin)检(Jian)验(Yan)、(?)自(Zi)来(Lai)水(Shui)以(Yi)及(Ji)化(Hua)工(Gong)生(Sheng)产(Chan)实(Shi)验(Yan)室(Shi)。(?)
(?) (?)固(Gu)相(Xiang)萃(Cui)取(Qu)柱(Zhu)的(De)保(Bao)养(Yang)方(Fang)法(Fa):(?)
(?) (?)1、(?)进(Jin)样(Yang)口(Kou)维(Wei)护(Hu)
(?) (?)进(Jin)样(Yang)系(Xi)统(Tong)是(Shi)将(Jiang)样(Yang)品(Pin)气(Qi)化(Hua)送(Song)入(Ru)萃(Cui)取(Qu)系(Xi)统(Tong)之(Zhi)前(Qian),(?)盼(Pan)析(Xi)中(Zhong)保(Bao)证(Zheng)系(Xi)统(Tong)不(Bu)漏(Lou)气(Qi)而(?)设(She)置(Zhi)的(De)一(Yi)种(Zhong)特(Te)殊(Shu)装(Zhuang)置(Zhi)。(?)进(Jin)样(Yang)口(Kou)是(Shi)仪(Yi)器(Qi)的(De)重(Zhong)要(Yao)组(Zu)成(Cheng)部(Bu)分(Fen),(?)也(Ye)是(Shi)引(Yin)入(Ru)污(Wu)染(Ran)、(?)引(Yin)起(Qi)干(Gan)扰(Rao)的(De)一(Yi)道(Dao)关(Guan)。(?)
(?) (?)2、(?)定(Ding)期(Qi)更(Geng)换(Huan)进(Jin)样(Yang)隔(Ge)垫(Dian)
(?) (?)进(Jin)样(Yang)口(Kou)隔(Ge)垫(Dian)漏(Lou)气(Qi)是(Shi)气(Qi)相(Xiang)萃(Cui)取(Qu)常(Chang)见(Jian)故(Gu)障(Zhang)。(?)因(Yin)此(Ci)需(Xu)要(Yao)定(Ding)期(Qi)及(Ji)时(Shi)更(Geng)换(Huan)。(?)一(Yi)般(Ban)隔(Ge)垫(Dian)可(Ke)达(Da)到(Dao)使(Shi)用(Yong)100次(Ci)以(Yi)上(Shang)的(De)寿(Shou)命(Ming)。(?)
(?) (?)3、(?)清(Qing)洗(Xi)进(Jin)样(Yang)针(Zhen)
(?) (?)干(Gan)净(Jing)的(De)进(Jin)样(Yang)针(Zhen)能(Neng)避(Bi)免(Mian)样(Yang)品(Pin)记(Ji)忆(Yi)效(Xiao)应(Ying)的(De)干(Gan)扰(Rao)。(?)更(Geng)换(Huan)固(Gu)相(Xiang)萃(Cui)取(Qu)仪(Yi)样(Yang)品(Pin)时(Shi)要(Yao)清(Qing)洗(Xi),(?)一(Yi)般(Ban)使(Shi)用(Yong)甲(Jia)醇(Chun)、(?)二(?)氯(Lu)甲(Jia)烷(Wan)、(?)乙(Yi)腈(Jiang)、(?)丙(Bing)酮(Tong)和(He)正(Zheng)己(Ji)烷(Wan)等(Deng)溶(Rong)剂(Ji)清(Qing)洗(Xi),(?)清(Qing)洗(Xi)时(Shi)不(Bu)能(Neng)堵(Du)塞(Sai)针(Zhen)头(Tou),(?)抽(Chou)出(Chu)推(Tui)杆(Gan),(?)用(Yong)另(Ling)一(Yi)个(Ge)进(Jin)样(Yang)针(Zhen)把(Ba)清(Qing)洗(Xi)溶(Rong)剂(Ji)注(Zhu)入(Ru),(?)再(Zai)插(Cha)入(Ru)推(Tui)杆(Gan)轻(Qing)轻(Qing)地(Di)把(Ba)溶(Rong)剂(Ji)从(Cong)针(Zhen)中(Zhong)推(Tui)出(Chu)。(?)
(?) (?)4、(?)定(Ding)期(Qi)检(Jian)查(Cha)、(?)清(Qing)洗(Xi)固(Gu)相(Xiang)萃(Cui)取(Qu)仪(Yi)进(Jin)样(Yang)口(Kou)与(Yu)衬(Chen)管(Guan)
(?) (?)由(You)于(Yu)样(Yang)品(Pin)中(Zhong)不(Bu)挥(Hui)发(Fa)性(Xing)成(Cheng)分(Fen)残(Can)存(Cun)的(De)缘(Yuan)故(Gu),(?)进(Jin)样(Yang)口(Kou)衬(Chen)管(Guan)长(Chang)期(Qi)使(Shi)用(Yong)后(Hou)内(Nei)部(Bu)会(Hui)积(Ji)有(You)焦(Jiao)油(You)状(Zhuang)物(Wu)质(Zhi),(?)此(Ci)外(Wai)还(Huan)会(Hui)有(You)颗(Ke)粒(Li)状(Zhuang)物(Wu)质(Zhi)积(Ji)存(Cun),(?)如(Ru)隔(Ge)垫(Dian)碎(Sui)屑(Xie)、(?)样(Yang)品(Pin)中(Zhong)的(De)固(Gu)体(Ti)物(Wu)质(Zhi),(?)这(Zhe)些(Xie)都(Du)会(Hui)干(Gan)扰(Rao)分(Fen)析(Xi)的(De)正(Zheng)常(Chang)进(Jin)行(Xing)。(?)
(?) (?)因(Yin)此(Ci)要(Yao)定(Ding)期(Qi)检(Jian)查(Cha)并(Bing)清(Qing)洗(Xi)进(Jin)样(Yang)口(Kou)及(Ji)衬(Chen)管(Guan)。(?)一(Yi)般(Ban)清(Qing)洗(Xi)主(Zhu)要(Yao)用(Yong)纯(Chun)水(Shui)、(?)甲(Jia)醇(Chun)或(Huo)无(Wu)水(Shui)乙(Yi)醇(Chun)等(Deng)冲(Chong)洗(Xi)或(Huo)超(Chao)声(Sheng)清(Qing)洗(Xi),(?)污(Wu)染(Ran)严(Yan)重(Zhong)可(Ke)用(Yong)棉(Mian)签(Qian)轻(Qing)轻(Qing)擦(Ca)拭(Shi),(?)不(Bu)可(Ke)用(Yong)力(Li)过(Guo)度(Du)。(?)
(?) (?)5、(?)更(Geng)换(Huan)毛(Mao)细(Xi)管(Guan)柱(Zhu)密(Mi)封(Feng)垫(Dian)
(?) (?)密(Mi)封(Feng)垫(Dian)漏(Lou)气(Qi)是(Shi)固(Gu)相(Xiang)萃(Cui)取(Qu)仪(Yi)常(Chang)见(Jian)的(De)故(Gu)障(Zhang)之(Zhi)一(Yi)。(?)不(Bu)要(Yao)在(Zai)不(Bu)同(Tong)的(De)萃(Cui)取(Qu)柱(Zhu)上(Shang)重(Zhong)复(Fu)使(Shi)用(Yong)同(Tong)一(Yi)密(Mi)封(Feng)垫(Dian),(?)即(Ji)使(Shi)同(Tong)一(Yi)根(Gen)萃(Cui)取(Qu)柱(Zhu)卸(Xie)下(Xia)重(Zhong)新(Xin)安(An)装(Zhuang),(?)应(Ying)更(Geng)换(Huan)新(Xin)的(De)密(Mi)封(Feng)垫(Dian)。(?)
(?) (?)6、(?)使(Shi)用(Yong)纯(Chun)度(Du)符(Fu)合(He)标(Biao)准(Zhun)的(De)气(Qi)体(Ti)
(?) (?)载(Zai)气(Qi)要(Yao)用(Yong)高(Gao)纯(Chun)级(Ji)的(De),(?)以(Yi)避(Bi)免(Mian)干(Gan)扰(Rao)分(Fen)析(Xi),(?)污(Wu)染(Ran)、(?)损(Sun)坏(Huai)萃(Cui)取(Qu)柱(Zhu)以(Yi)及(Ji)检(Jian)测(Ce)器(Qi)。(?)因(Yin)为(Wei)相(Xiang)对(Dui)载(Zai)气(Qi)来(Lai)说(Shuo),(?)萃(Cui)取(Qu)柱(Zhu)和(He)检(Jian)测(Ce)器(Qi)要(Yao)更(Geng)加(Jia)贵(Gui)重(Zhong)。(?)