技(Ji)术(Shu)文(Wen)章(Zhang)
TECHNICAL ARTICLES当(Dang)前(Qian)位(Wei)置(Zhi):(?)首(Shou)页(Ye)技(Ji)术(Shu)文(Wen)章(Zhang)液(Ye)相(Xiang)色(Se)谱(Pu)柱(Zhu)的(De)故(Gu)障(Zhang)处(Chu)理(Li)方(Fang)法(Fa)
气(Qi)泡(Pao)溢(Yi)出(Chu)
(?) (?)流(Liu)动(Dong)相(Xiang)内(Nei)有(You)气(Qi)泡(Pao),(?)关(Guan)闭(Bi)泵(Beng),(?)打(Da)开(Kai)泄(Xie)压(Ya)阀(Fa),(?)打(Da)开(Kai)purg键(Jian),(?)清(Qing)洗(Xi)脱(Tuo)气(Qi),(?)气(Qi)泡(Pao)不(Bu)断(Duan)从(Cong)过(Guo)滤(Lu)器(Qi)冒(Mao)出(Chu),(?)进(Jin)入(Ru)流(Liu)动(Dong)相(Xiang),(?)无(Wu)论(Lun)打(Da)开(Kai)purge键(Jian)几(Ji)次(Ci),(?)都(Du)无(Wu)法(Fa)清(Qing)除(Chu)不(Bu)断(Duan)产(Chan)生(Sheng)的(De)气(Qi)泡(Pao)。(?)原(Yuan)因(Yin)过(Guo)滤(Lu)器(Qi)长(Chang)期(Qi)沉(Chen)浸(Jin)于(Yu)乙(Yi)酸(Suan)铵(An)等(Deng)缓(Huan)冲(Chong)液(Ye)内(Nei),过(Guo)滤(Lu)器(Qi)内(Nei)部(Bu)由(You)于(Yu)霉(Mei)菌(Jun)的(De)生(Sheng)长(Chang)繁(Fan)殖(Zhi),(?)形(Xing)成(Cheng)菌(Jun)团(Tuan),(?)阻(Zu)塞(Sai)了(Liao)过(Guo)滤(Lu)器(Qi),(?)缓(Huan)冲(Chong)液(Ye)难(Nan)以(Yi)流(Liu)畅(Chang)地(Di)通(Tong)过(Guo)过(Guo)滤(Lu)器(Qi),(?)空(Kong)气(Qi)在(Zai)泵(Beng)的(De)压(Ya)力(Li)作(Zuo)用(Yong)下(Xia)经(Jing)过(Guo)滤(Lu)器(Qi)进(Jin)入(Ru)流(Liu)动(Dong)相(Xiang)。(?)处(Chu)理(Li)过(Guo)滤(Lu)器(Qi)浸(Jin)泡(Pao)于(Yu)5%硝(Xiao)酸(Suan)溶(Rong)液(Ye)中(Zhong),(?)超(Chao)声(Sheng)清(Qing)洗(Xi)几(Ji)分(Fen)钟(Zhong)即(Ji)可(Ke);亦(Yi)可(Ke)将(Jiang)过(Guo)滤(Lu)器(Qi)浸(Jin)泡(Pao)于(Yu)5%硝(Xiao)酸(Suan)溶(Rong)液(Ye)中(Zhong)12~(?)36小(Xiao)时(Shi),(?)轻(Qing)轻(Qing)震(Zhen)荡(Dang)几(Ji)次(Ci),(?)再(Zai)将(Jiang)过(Guo)滤(Lu)器(Qi)用(Yong)纯(Chun)水(Shui)清(Qing)洗(Xi)几(Ji)次(Ci),(?)打(Da)开(Kai)泄(Xie)压(Ya)阀(Fa),(?)打(Da)开(Kai)purge键(Jian)清(Qing)洗(Xi)脱(Tuo)气(Qi),(?)如(Ru)仍(Reng)有(You)气(Qi)泡(Pao)不(Bu)断(Duan)从(Cong)过(Guo)滤(Lu)器(Qi)冒(Mao)出(Chu),(?)继(Ji)续(Xu)将(Jiang)过(Guo)滤(Lu)器(Qi)浸(Jin)泡(Pao)于(Yu)5%硝(Xiao)酸(Suan)溶(Rong)液(Ye)中(Zhong),(?)如(Ru)没(Mei)有(You)气(Qi)泡(Pao)不(Bu)断(Duan)从(Cong)过(Guo)滤(Lu)器(Qi)中(Zhong)冒(Mao)出(Chu),(?)说(Shuo)明(Ming)过(Guo)滤(Lu)器(Qi)内(Nei)部(Bu)的(De)霉(Mei)菌(Jun)菌(Jun)团(Tuan)已(Yi)被(Bei)硝(Xiao)酸(Suan)破(Po)坏(Huai),(?)流(Liu)动(Dong)相(Xiang)可(Ke)以(Yi)流(Liu)畅(Chang)地(Di)通(Tong)过(Guo)过(Guo)滤(Lu)器(Qi)。(?)打(Da)开(Kai)泄(Xie)压(Ya)阀(Fa),(?)打(Da)开(Kai)泵(Beng),(?)流(Liu)速(Su)调(Diao)至(Zhi)1.0~(?)3.0ml/min,(?)纯(Chun)水(Shui)冲(Chong)洗(Xi)过(Guo)滤(Lu)器(Qi)1小(Xiao)时(Shi)左(Zuo)右(You)。(?)即(Ji)可(Ke)将(Jiang)过(Guo)滤(Lu)器(Qi)清(Qing)洗(Xi)干(Gan)净(Jing)。(?)关(Guan)闭(Bi)泄(Xie)压(Ya)阀(Fa),(?)纯(Chun)甲(Jia)醇(Chun)冲(Chong)洗(Xi)半(Ban)小(Xiao)时(Shi)即(Ji)可(Ke)。(?)液(Ye)相(Xiang)色(Se)谱(Pu)柱(Zhu)的(De)故(Gu)障(Zhang)处(Chu)理(Li)方(Fang)法(Fa)
(?) (?)柱(Zhu)压(Ya)高(Gao)
(?) (?)⑴(?)缓(Huan)冲(Chong)液(Ye)盐(Yan)分(Fen)如(Ru)(乙(Yi)酸(Suan)铵(An)等(Deng))沉(Chen)积(Ji)于(Yu)柱(Zhu)内(Nei);
(?) (?)⑵(?)样(Yang)品(Pin)污(Wu)染(Ran)沉(Chen)积(Ji)。(?)处(Chu)理(Li)对(Dui)于(Yu)*种(Zhong)情(Qing)况(Kuang)先(Xian)用(Yong)40~(?)50℃(?)的(De)纯(Chun)水(Shui),(?)低(Di)速(Su)正(Zheng)向(Xiang)冲(Chong)洗(Xi)柱(Zhu)子(Zi),(?)待(Dai)柱(Zhu)压(Ya)逐(Zhu)渐(Jian)下(Xia)降(Jiang)后(Hou),(?)相(Xiang)应(Ying)提(Ti)高(Gao)流(Liu)速(Su)冲(Chong)洗(Xi),(?)柱(Zhu)压(Ya)大(Da)幅(Fu)度(Du)下(Xia)降(Jiang)后(Hou),(?)用(Yong)常(Chang)温(Wen)纯(Chun)水(Shui)冲(Chong)洗(Xi),(?)之(Zhi)后(Hou)用(Yong)纯(Chun)甲(Jia)醇(Chun)冲(Chong)洗(Xi)柱(Zhu)子(Zi)30分(Fen)钟(Zhong);对(Dui)于(Yu)第(Di)二(?)种(Zhong)情(Qing)况(Kuang),(?)由(You)样(Yang)品(Pin)的(De)沉(Chen)积(Ji)引(Yin)起(Qi)污(Wu)染(Ran)的(De)C18柱(Zhu),(?)和(He)纯(Chun)水(Shui)反(Fan)向(Xiang)冲(Chong)洗(Xi)柱(Zhu)子(Zi),(?)换(Huan)成(Cheng)甲(Jia)醇(Chun)冲(Chong)洗(Xi),(?)接(Jie)着(Zhuo)用(Yong)甲(Jia)醇(Chun)+异(Yi)丙(Bing)醇(Chun)(4+6)冲(Chong)洗(Xi)柱(Zhu)子(Zi),(?)再(Zai)用(Yong)换(Huan)成(Cheng)甲(Jia)醇(Chun)冲(Chong)洗(Xi),(?)然(Ran)后(Hou)用(Yong)纯(Chun)水(Shui)冲(Chong)洗(Xi),(?)zui后(Hou)甲(Jia)醇(Chun)冲(Chong)洗(Xi)正(Zheng)向(Xiang)冲(Chong)洗(Xi)柱(Zhu)子(Zi)30分(Fen)钟(Zhong)以(Yi)上(Shang)。(?)
(?) (?)无(Wu)指(Zhi)示(Shi)
(?) (?)⑴(?)泵(Beng)密(Mi)封(Feng)垫(Dian)圈(Quan)磨(Mo)损(Sun);
(?) (?)⑵(?)大(Da)量(Liang)气(Qi)泡(Pao)进(Jin)入(Ru)泵(Beng)体(Ti)。(?)处(Chu)理(Li)对(Dui)于(Yu)*种(Zhong)情(Qing)况(Kuang),(?)更(Geng)换(Huan)密(Mi)封(Feng)垫(Dian)圈(Quan);对(Dui)于(Yu)第(Di)二(?)种(Zhong)情(Qing)况(Kuang),(?)在(Zai)泵(Beng)作(Zuo)用(Yong)的(De)同(Tong)时(Shi),(?)用(Yong)一(Yi)个(Ge)50ml的(De)玻(Bo)璃(Li)针(Zhen)筒(Tong)在(Zai)泵(Beng)的(De)出(Chu)口(Kou)处(Chu)帮(Bang)助(Zhu)抽(Chou)出(Chu)空(Kong)气(Qi)。(?)
(?) (?)不(Bu)稳(Wen)定(Ding)
(?) (?)原(Yuan)因(Yin)系(Xi)统(Tong)中(Zhong)有(You)空(Kong)气(Qi)或(Huo)者(Zhe)单(Dan)向(Xiang)阀(Fa)的(De)宝(Bao)石(Shi)球(Qiu)和(He)阀(Fa)座(Zuo)之(Zhi)间(Jian)夹(Jia)有(You)异(Yi)物(Wu),(?)使(Shi)得(De)两(Liang)者(Zhe)不(Bu)能(Neng)密(Mi)封(Feng)。(?)处(Chu)理(Li)工(Gong)作(Zuo)中(Zhong)注(Zhu)意(Yi)观(Guan)察(Cha)流(Liu)动(Dong)相(Xiang)的(De)量(Liang),(?)保(Bao)证(Zheng)不(Bu)锈(Xiu)钢(Gang)滤(Lu)器(Qi)沉(Chen)入(Ru)储(Chu)液(Ye)器(Qi)瓶(Ping)底(Di),(?)避(Bi)免(Mian)吸(Xi)入(Ru)空(Kong)气(Qi),(?)流(Liu)动(Dong)相(Xiang)要(Yao)充(Chong)分(Fen)脱(Tuo)气(Qi)。(?)如(Ru)为(Wei)单(Dan)向(Xiang)阀(Fa)和(He)阀(Fa)座(Zuo)之(Zhi)间(Jian)夹(Jia)有(You)异(Yi)物(Wu),(?)拆(Chai)下(Xia)单(Dan)向(Xiang)阀(Fa),(?)放(Fang)入(Ru)盛(Sheng)有(You)丙(Bing)酮(Tong)的(De)烧(Shao)杯(Bei)用(Yong)超(Chao)声(Sheng)波(Bo)清(Qing)洗(Xi)。(?)液(Ye)相(Xiang)色(Se)谱(Pu)柱(Zhu)的(De)故(Gu)障(Zhang)处(Chu)理(Li)方(Fang)法(Fa)
(?) (?)峰(Feng)分(Fen)叉(Cha)
(?) (?)⑴(?)色(Se)谱(Pu)柱(Zhu)被(Bei)污(Wu)染(Ran);
(?) (?)⑵(?)柱(Zhu)头(Tou)填(Tian)料(Liao)塌(Ta)陷(Xian)。(?)处(Chu)理(Li)对(Dui)于(Yu)*种(Zhong)情(Qing)况(Kuang),(?)先(Xian)用(Yong)纯(Chun)水(Shui)反(Fan)向(Xiang)冲(Chong)洗(Xi)柱(Zhu)子(Zi),(?)然(Ran)后(Hou)换(Huan)成(Cheng)甲(Jia)醇(Chun)冲(Chong)洗(Xi),(?)接(Jie)着(Zhuo)用(Yong)甲(Jia)醇(Chun)+异(Yi)丙(Bing)醇(Chun)(4+6)冲(Chong)洗(Xi)柱(Zhu)子(Zi)(冲(Chong)洗(Xi)时(Shi)间(Jian)的(De)长(Chang)短(Duan)由(You)样(Yang)品(Pin)污(Wu)染(Ran)的(De)情(Qing)况(Kuang)而(?)定(Ding)),(?)再(Zai)换(Huan)成(Cheng)甲(Jia)醇(Chun)冲(Chong)洗(Xi),(?)然(Ran)后(Hou)用(Yong)纯(Chun)水(Shui)冲(Chong)洗(Xi),(?)zui后(Hou)甲(Jia)醇(Chun)冲(Chong)洗(Xi)正(Zheng)向(Xiang)冲(Chong)洗(Xi)柱(Zhu)子(Zi)30分(Fen)钟(Zhong)以(Yi)上(Shang)。(?)如(Ru)冲(Chong)洗(Xi)后(Hou)依(Yi)然(Ran)出(Chu)峰(Feng)不(Bu)佳(Jia),(?)则(Ze)考(Kao)虑(Lu)第(Di)二(?)种(Zhong)情(Qing)况(Kuang)。(?)对(Dui)于(Yu)第(Di)二(?)种(Zhong)情(Qing)况(Kuang),(?)拧(Ning)开(Kai)柱(Zhu)头(Tou),(?)检(Jian)查(Cha)柱(Zhu)填(Tian)料(Liao)是(Shi)否(Fou)硬(Ying)结(Jie)或(Huo)塌(Ta)陷(Xian)。(?)去(Qu)除(Chu)硬(Ying)结(Jie)部(Bu)分(Fen)(污(Wu)染(Ran)的(De)填(Tian)料(Liao)),(?)装(Zhuang)入(Ru)新(Xin)填(Tian)料(Liao),(?)滴(Di)一(Yi)滴(Di)甲(Jia)醇(Chun),(?)填(Tian)料(Liao)下(Xia)陷(Xian),(?)再(Zai)填(Tian),(?)用(Yong)与(Yu)柱(Zhu)内(Nei)径(Jing)相(Xiang)同(Tong)的(De)顶(Ding)端(Duan)平(Ping)滑(Hua)的(De)不(Bu)锈(Xiu)钢(Gang)杆(Gan)压(Ya)紧(Jin),(?)再(Zai)填(Tian)平(Ping),(?)滴(Di)甲(Jia)醇(Chun),(?)再(Zai)压(Ya)紧(Jin)反(Fan)复(Fu)几(Ji)次(Ci),(?)直(Zhi)至(Zhi)装(Zhuang)满(Man)填(Tian)平(Ping)。(?)柱(Zhu)头(Tou)用(Yong)甲(Jia)醇(Chun)冲(Chong)洗(Xi)干(Gan)净(Jing),(?)擦(Ca)净(Jing)柱(Zhu)外(Wai)壁(Bi)的(De)填(Tian)料(Liao),(?)拧(Ning)紧(Jin)柱(Zhu)头(Tou),用(Yong)纯(Chun)甲(Jia)醇(Chun)冲(Chong)洗(Xi)30分(Fen)钟(Zhong)以(Yi)上(Shang)。(?)
(?) (?)重(Zhong)复(Fu)性(Xing)差(Cha)
(?) (?)⑴(?)进(Jin)样(Yang)阀(Fa)漏(Lou)液(Ye);
(?) (?)⑵(?)加(Jia)样(Yang)针(Zhen)不(Bu)到(Dao)位(Wei)。(?)
(?) (?)⑶(?)液(Ye)量(Liang)不(Bu)足(Zu).
(?) (?)处(Chu)理(Li)对(Dui)于(Yu)*种(Zhong)情(Qing)况(Kuang)更(Geng)换(Huan)进(Jin)样(Yang)阀(Fa)垫(Dian)圈(Quan);对(Dui)于(Yu)第(Di)二(?)种(Zhong)情(Qing)况(Kuang)保(Bao)证(Zheng)加(Jia)样(Yang)针(Zhen)插(Cha)到(Dao)底(Di),(?)注(Zhu)射(She)样(Yang)品(Pin)溶(Rong)液(Ye)后(Hou)须(Xu)快(Kuai)速(Su)、(?)平(Ping)稳(Wen)地(Di)从(Cong)LOAD状(Zhuang)态(Tai)转(Zhuan)换(Huan)到(Dao)INJECT状(Zhuang)态(Tai),(?)以(Yi)保(Bao)证(Zheng)进(Jin)样(Yang)量(Liang)的(De)准(Zhun)确(Que)。(?)日(Ri)常(Chang)工(Gong)作(Zuo)中(Zhong),(?)液(Ye)相(Xiang)色(Se)谱(Pu)仪(Yi)的(De)保(Bao)养(Yang)非(Fei)常(Chang)重(Zhong)要(Yao),(?)如(Ru)要(Yao)注(Zhu)意(Yi)不(Bu)要(Yao)让(Rang)空(Kong)气(Qi)进(Jin)入(Ru)输(Shu)液(Ye)系(Xi)统(Tong)和(He)高(Gao)压(Ya)泵(Beng)中(Zhong),(?)储(Chu)液(Ye)器(Qi)内(Nei)的(De)溶(Rong)液(Ye)如(Ru)长(Chang)时(Shi)间(Jian)未(Wei)用(Yong)应(Ying)清(Qing)洗(Xi)储(Chu)液(Ye)器(Qi)并(Bing)更(Geng)换(Huan)溶(Rong)液(Ye),(?)每(Mei)次(Ci)用(Yong)完(Wan)色(Se)谱(Pu)仪(Yi)后(Hou)缓(Huan)冲(Chong)液(Ye)要(Yao)用(Yong)纯(Chun)水(Shui)冲(Chong)洗(Xi)干(Gan)净(Jing),(?)防(Fang)止(Zhi)无(Wu)机(Ji)盐(Yan)析(Xi)出(Chu)或(Huo)沉(Chen)积(Ji);样(Yang)品(Pin)的(De)前(Qian)处(Chu)理(Li)也(Ye)很(Hen)重(Zhong)要(Yao),(?)任(Ren)何(He)样(Yang)品(Pin)都(Du)要(Yao)尽(Jin)可(Ke)能(Neng)地(Di)去(Qu)除(Chu)杂(Za)质(Zhi),(?)*溶(Rong)解(Jie),(?)尽(Jin)量(Liang)减(Jian)少(Shao)对(Dui)色(Se)谱(Pu)柱(Zhu)的(De)污(Wu)染(Ran),(?)以(Yi)延(Yan)长(Chang)色(Se)谱(Pu)柱(Zhu)的(De)使(Shi)用(Yong)寿(Shou)命(Ming),(?)同(Tong)时(Shi)避(Bi)免(Mian)注(Zhu)射(She)过(Guo)浓(Nong)的(De)样(Yang)品(Pin)溶(Rong)液(Ye),(?)以(Yi)免(Mian)残(Can)留(Liu)液(Ye)在(Zai)进(Jin)样(Yang)阀(Fa)内(Nei)析(Xi)出(Chu)固(Gu)体(Ti)引(Yin)起(Qi)堵(Du)塞(Sai);色(Se)谱(Pu)柱(Zhu)作(Zuo)好(Hao)标(Biao)记(Ji),(?)用(Yong)于(Yu)不(Bu)同(Tong)分(Fen)析(Xi)目(Mu)的(De)的(De)色(Se)谱(Pu)柱(Zhu)不(Bu)要(Yao)混(Hun)用(Yong)等(Deng)。(?)
关(Guan)于(Yu)我(Wo)们(Men)
公(Gong)司(Si)简(Jian)介(Jie)公(Gong)司(Si)新(Xin)闻(Wen)产(Chan)品(Pin)展(Zhan)示(Shi)
样(Yang)品(Pin)瓶(Ping)及(Ji)配(Pei)件(Jian) Waters沃(Wo)特(Te)世(Shi)配(Pei)件(Jian)耗(Hao)材(Cai) Merck纯(Chun)水(Shui)及(Ji)微(Wei)生(Sheng)物(Wu)耗(Hao)材(Cai) 固(Gu)相(Xiang)萃(Cui)取(Qu)柱(Zhu) Supelco色(Se)谱(Pu)科(Ke)配(Pei)件(Jian)耗(Hao)材(Cai) 移(Yi)液(Ye)器(Qi) 化(Hua)学(Xue)试(Shi)剂(Ji)标(Biao)准(Zhun)品(Pin) PerkinElmer配(Pei)件(Jian)耗(Hao)材(Cai) Agilent安(An)捷(Jie)伦(Lun)配(Pei)件(Jian)耗(Hao)材(Cai) Thermo赛(Sai)默(Mo)飞(Fei)配(Pei)件(Jian)耗(Hao)材(Cai) 岛(Dao)津(Jin)色(Se)谱(Pu)配(Pei)件(Jian)耗(Hao)材(Cai) Kromasil色(Se)谱(Pu)配(Pei)件(Jian) Antsci多(Duo)参(Can)数(Shu)皮(Pi)肤(Fu)测(Ce)试(Shi)仪(Yi) IKA 赛(Sai)多(Duo)利(Li)斯(Si) 热(Re)电(Dian)戴(Dai)安(An)色(Se)谱(Pu)柱(Zhu)小(Xiao)柱(Zhu) 色(Se)谱(Pu)柱(Zhu)服(Fu)务(Wu)与(Yu)支(Zhi)持(Chi)
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