在(Zai)水(Shui)质(Zhi)在(Zai)线(Xian)监(Jian)测(Ce)领(Ling)域(Yu),(?)快(Kuai)速(Su)检(Jian)测(Ce)仪(Yi)因(Yin)其(Qi)便(Bian)携(Xie)、(?)高(Gao)效(Xiao)而(?)被(Bei)广(Guang)泛(Fan)应(Ying)用(Yong)。(?)然(Ran)而(?),(?)不(Bu)同(Tong)程(Cheng)度(Du)的(De)测(Ce)量(Liang)误(Wu)差(Cha)却(Que)影(Ying)响(Xiang)了(Liao)数(Shu)据(Ju)的(De)可(Ke)靠(Kao)性(Xing)与(Yu)决(Jue)策(Ce)效(Xiao)率(Lu)。(?)本(Ben)文(Wen)将(Jiang)从(Cong)五(Wu)大(Da)维(Wei)度(Du)深(Shen)入(Ru)剖(Pou)析(Xi)误(Wu)差(Cha)来(Lai)源(Yuan),(?)并(Bing)给(Gei)出(Chu)实(Shi)用(Yong)的(De)控(Kong)制(Zhi)策(Ce)略(Lue),(?)助(Zhu)力(Li)实(Shi)验(Yan)室(Shi)与(Yu)现(Xian)场(Chang)用(Yong)户(Hu)优(You)化(Hua)监(Jian)测(Ce)流(Liu)程(Cheng)。(?)
二(?)、(?)误(Wu)差(Cha)来(Lai)源(Yuan)解(Jie)析(Xi)
1. 仪(Yi)器(Qi)因(Yin)素(Su)
光(Guang)源(Yuan)衰(Shuai)减(Jian)/(?)漂(Piao)移(Yi):(?)随(Sui)着(Zhuo)使(Shi)用(Yong)时(Shi)长(Chang)增(Zeng)长(Chang),(?)光(Guang)源(Yuan)强(Qiang)度(Du)下(Xia)降(Jiang),(?)若(Ruo)不(Bu)及(Ji)时(Shi)校(Xiao)正(Zheng),(?)信(Xin)号(Hao)易(Yi)偏(Pian)低(Di)或(Huo)不(Bu)稳(Wen)定(Ding)。(?)
传(Chuan)感(Gan)器(Qi)老(Lao)化(Hua):(?)膜(Mo)片(Pian)传(Chuan)感(Gan)器(Qi)与(Yu)光(Guang)电(Dian)探(Tan)测(Ce)器(Qi)灵(Ling)敏(Min)度(Du)下(Xia)降(Jiang),(?)响(Xiang)应(Ying)速(Su)度(Du)延(Yan)缓(Huan)。(?)
电(Dian)子(Zi)零(Ling)漂(Piao)与(Yu)温(Wen)漂(Piao):(?)内(Nei)部(Bu)基(Ji)线(Xian)漂(Piao)移(Yi)、(?)温(Wen)度(Du)补(Bu)偿(Chang)不(Bu)足(Zu),(?)会(Hui)造(Zao)成(Cheng)系(Xi)统(Tong)性(Xing)误(Wu)差(Cha)。(?)
校(Xiao)准(Zhun)欠(Qian)缺(Que):(?)校(Xiao)准(Zhun)周(Zhou)期(Qi)过(Guo)长(Chang)或(Huo)标(Biao)准(Zhun)溶(Rong)液(Ye)配(Pei)制(Zhi)不(Bu)准(Zhun)确(Que),(?)直(Zhi)接(Jie)影(Ying)响(Xiang)测(Ce)量(Liang)读(Du)数(Shu)。(?)
2. 水(Shui)样(Yang)因(Yin)素(Su)
前(Qian)处(Chu)理(Li)不(Bu)完(Wan)善(Shan):(?)水(Shui)样(Yang)未(Wei)充(Chong)分(Fen)混(Hun)匀(Yun)或(Huo)未(Wei)去(Qu)除(Chu)悬(Xuan)浮(Fu)物(Wu)/(?)气(Qi)泡(Pao),(?)代(Dai)表(Biao)性(Xing)不(Bu)足(Zu)。(?)
基(Ji)体(Ti)效(Xiao)应(Ying):(?)高(Gao)浊(Zhuo)度(Du)、(?)高(Gao)色(Se)度(Du)或(Huo)溶(Rong)液(Ye)中(Zhong)高(Gao)浓(Nong)度(Du)离(Li)子(Zi)((?)如(Ru) Fe、(?)Mn)(?)吸(Xi)收(Shou)/(?)散(San)射(She)光(Guang)线(Xian)。(?)
有(You)机(Ji)物(Wu)/(?)胶(Jiao)体(Ti)干(Gan)扰(Rao):(?)与(Yu)指(Zhi)示(Shi)剂(Ji)反(Fan)应(Ying)产(Chan)生(Sheng)背(Bei)景(Jing)信(Xin)号(Hao),(?)导(Dao)致(Zhi)假(Jia)高(Gao)或(Huo)假(Jia)低(Di)。(?)
3. 环(Huan)境(Jing)因(Yin)素(Su)
温(Wen)度(Du)波(Bo)动(Dong):(?)化(Hua)学(Xue)反(Fan)应(Ying)速(Su)率(Lu)随(Sui)温(Wen)度(Du)变(Bian)化(Hua)敏(Min)感(Gan),(?)影(Ying)响(Xiang)信(Xin)号(Hao)强(Qiang)度(Du)稳(Wen)定(Ding)性(Xing)。(?)
光(Guang)照(Zhao)干(Gan)扰(Rao):(?)强(Qiang)光(Guang)直(Zhi)射(She)或(Huo)荧(Ying)光(Guang)源(Yuan)旁(Pang)测(Ce)量(Liang),(?)外(Wai)界(Jie)光(Guang)线(Xian)入(Ru)侵(Qin)测(Ce)量(Liang)腔(Qiang)。(?)
振(Zhen)动(Dong)冲(Chong)击(Ji):(?)便(Bian)携(Xie)仪(Yi)器(Qi)在(Zai)颠(Dian)簸(Bo)环(Huan)境(Jing)中(Zhong)使(Shi)用(Yong),(?)光(Guang)路(Lu)或(Huo)元(Yuan)件(Jian)微(Wei)位(Wei)移(Yi)。(?)
4. 试(Shi)剂(Ji)与(Yu)耗(Hao)材(Cai)因(Yin)素(Su)
试(Shi)剂(Ji)失(Shi)效(Xiao)/(?)变(Bian)质(Zhi):(?)储(Chu)存(Cun)超(Chao)期(Qi)、(?)避(Bi)光(Guang)防(Fang)潮(Chao)不(Bu)当(Dang),(?)活(Huo)性(Xing)下(Xia)降(Jiang)或(Huo)背(Bei)景(Jing)增(Zeng)高(Gao)。(?)比(Bi)色(Se)皿(Min)污(Wu)染(Ran):(?)油(You)膜(Mo)、(?)水(Shui)垢(Gou)或(Huo)残(Can)留(Liu)水(Shui)样(Yang)改(Gai)变(Bian)透(Tou)光(Guang)率(Lu),(?)若(Ruo)不(Bu)彻(Che)底(Di)清(Qing)洗(Xi)易(Yi)累(Lei)积(Ji)误(Wu)差(Cha)。(?)
批(Pi)次(Ci)差(Cha)异(Yi):(?)不(Bu)同(Tong)批(Pi)次(Ci)指(Zhi)示(Shi)剂(Ji)浓(Nong)度(Du)波(Bo)动(Dong),(?)需(Xu)批(Pi)次(Ci)间(Jian)对(Dui)比(Bi)校(Xiao)准(Zhun)。(?)
5. 操(Cao)作(Zuo)因(Yin)素(Su)
移(Yi)液(Ye)/(?)加(Jia)样(Yang)误(Wu)差(Cha):(?)体(Ti)积(Ji)偏(Pian)差(Cha)或(Huo)气(Qi)泡(Pao)产(Chan)生(Sheng),(?)影(Ying)响(Xiang)反(Fan)应(Ying)物(Wu)浓(Nong)度(Du)。(?)
反(Fan)应(Ying)时(Shi)间(Jian)不(Bu)一(Yi):(?)读(Du)数(Shu)过(Guo)早(Zao)或(Huo)过(Guo)迟(Chi),(?)反(Fan)应(Ying)不(Bu)充(Chong)分(Fen)或(Huo)过(Guo)度(Du)膨(Peng)胀(Zhang)。(?)
读(Du)数(Shu)习(Xi)惯(Guan)差(Cha)异(Yi):(?)不(Bu)同(Tong)操(Cao)作(Zuo)者(Zhe)取(Qu)点(Dian)习(Xi)惯(Guan)不(Bu)同(Tong),(?)引(Yin)入(Ru)主(Zhu)观(Guan)误(Wu)差(Cha)。(?)
1. 定(Ding)期(Qi)校(Xiao)准(Zhun)与(Yu)维(Wei)护(Hu)
按(An)说(Shuo)明(Ming)书(Shu)执(Zhi)行(Xing)零(Ling)点(Dian)及(Ji)跨(Kua)度(Du)校(Xiao)准(Zhun),(?)做(Zuo)好(Hao)校(Xiao)准(Zhun)记(Ji)录(Lu)。(?)
定(Ding)期(Qi)检(Jian)查(Cha)光(Guang)源(Yuan)强(Qiang)度(Du)和(He)传(Chuan)感(Gan)器(Qi)灵(Ling)敏(Min)度(Du)。(?)
2. 优(You)化(Hua)水(Shui)样(Yang)前(Qian)处(Chu)理(Li)
过(Guo)滤(Lu)或(Huo)离(Li)心(Xin)去(Qu)悬(Xuan)浮(Fu)物(Wu),(?)必(Bi)要(Yao)时(Shi)添(Tian)加(Jia)抗(Kang)干(Gan)扰(Rao)剂(Ji)。(?)
混(Hun)匀(Yun)均(Jun)匀(Yun),(?)排(Pai)除(Chu)气(Qi)泡(Pao)。(?)
3. 稳(Wen)定(Ding)环(Huan)境(Jing)条(Tiao)件(Jian)
保(Bao)持(Chi)恒(Heng)温(Wen)环(Huan)境(Jing)((?)建(Jian)议(Yi) 2025℃(?))(?),(?)避(Bi)免(Mian)强(Qiang)光(Guang)与(Yu)振(Zhen)动(Dong)源(Yuan)。(?)
室(Shi)内(Nei)相(Xiang)对(Dui)湿(Shi)度(Du)控(Kong)制(Zhi)在(Zai) 40%60%。(?)
4. 规(Gui)范(Fan)试(Shi)剂(Ji)管(Guan)理(Li)
同(Tong)批(Pi)次(Ci)试(Shi)剂(Ji)集(Ji)中(Zhong)使(Shi)用(Yong),(?)开(Kai)封(Feng)后(Hou)按(An)要(Yao)求(Qiu)冷(Leng)藏(Cang)/(?)避(Bi)光(Guang)存(Cun)放(Fang)。(?)
保(Bao)持(Chi)试(Shi)剂(Ji)有(You)效(Xiao)期(Qi)内(Nei)使(Shi)用(Yong),(?)过(Guo)期(Qi)立(Li)即(Ji)更(Geng)换(Huan)。(?)
5. 强(Qiang)化(Hua)操(Cao)作(Zuo)培(Pei)训(Xun)
制(Zhi)定(Ding)标(Biao)准(Zhun)操(Cao)作(Zuo)流(Liu)程(Cheng),(?)统(Tong)一(Yi)移(Yi)液(Ye)、(?)加(Jia)样(Yang)与(Yu)定(Ding)时(Shi)读(Du)数(Shu)。(?)
定(Ding)期(Qi)组(Zu)织(Zhi)比(Bi)对(Dui)实(Shi)验(Yan)与(Yu)技(Ji)能(Neng)考(Kao)核(He),(?)减(Jian)少(Shao)人(Ren)为(Wei)误(Wu)差(Cha)。(?)
快(Kuai)速(Su)水(Shui)质(Zhi)检(Jian)测(Ce)仪(Yi)的(De)准(Zhun)确(Que)性(Xing)取(Qu)决(Jue)于(Yu)多(Duo)方(Fang)面(Mian)因(Yin)素(Su),(?)从(Cong)仪(Yi)器(Qi)状(Zhuang)态(Tai)到(Dao)操(Cao)作(Zuo)规(Gui)范(Fan)都(Du)需(Xu)综(Zong)合(He)管(Guan)控(Kong)。(?)通(Tong)过(Guo)定(Ding)期(Qi)校(Xiao)准(Zhun)、(?)优(You)化(Hua)水(Shui)样(Yang)处(Chu)理(Li)、(?)稳(Wen)定(Ding)环(Huan)境(Jing)条(Tiao)件(Jian)、(?)严(Yan)格(Ge)试(Shi)剂(Ji)管(Guan)理(Li)及(Ji)操(Cao)作(Zuo)培(Pei)训(Xun),(?)可(Ke)有(You)效(Xiao)降(Jiang)低(Di)误(Wu)差(Cha),(?)实(Shi)现(Xian)数(Shu)据(Ju)的(De)高(Gao)准(Zhun)确(Que)性(Xing)与(Yu)可(Ke)重(Zhong)复(Fu)性(Xing)。(?)建(Jian)议(Yi)各(Ge)监(Jian)测(Ce)单(Dan)位(Wei)制(Zhi)定(Ding)并(Bing)落(Luo)实(Shi)上(Shang)述(Shu)策(Ce)略(Lue),(?)不(Bu)断(Duan)完(Wan)善(Shan)监(Jian)测(Ce)体(Ti)系(Xi)。(?)
上(Shang)一(Yi)篇(Pian):(?)余(Yu)氯(Lu)分(Fen)析(Xi)仪(Yi)如(Ru)何(He)避(Bi)免(Mian)干(Gan)扰(Rao)物(Wu)影(Ying)响(Xiang)
下(Xia)一(Yi)篇(Pian):(?)如(Ru)何(He)避(Bi)免(Mian)水(Shui)质(Zhi)重(Zhong)金(Jin)属(Shu)检(Jian)测(Ce)仪(Yi)污(Wu)染(Ran)
最(Zui)新(Xin)动(Dong)态(Tai)
相(Xiang)关(Guan)推(Tui)荐(Jian)