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    05-10 / 2021

  • 安捷倫7820A-5977B氣質入駐廣東司法鑒定所

    ? ? ? ? ? ? ? ?法醫毒(du)(du)(du)(du)物(wu)鑒定(ding)(ding)是(shi)指運用(yong)法醫毒(du)(du)(du)(du)物(wu)學(xue)的(de)理論和方法,結合(he)(he)現代(dai)儀器(qi)分析技術,對體內外(wai)未知毒(du)(du)(du)(du)(藥(yao))物(wu)、毒(du)(du)(du)(du)品(pin)及代(dai)謝(xie)物(wu)進行定(ding)(ding)性、定(ding)(ding)量分析,并通過對毒(du)(du)(du)(du)物(wu)毒(du)(du)(du)(du)性、中(zhong)毒(du)(du)(du)(du)機(ji)理、代(dai)謝(xie)功(gong)能(neng)的(de)分析,結合(he)(he)中(zhong)毒(du)(du)(du)(du)表現、尸(shi)檢所見,綜合(he)(he)作出(chu)毒(du)(du)(du)(du)(藥(yao))物(wu)中(zhong)毒(du)(du)(du)(du)的(de)鑒定(ding)(ding)。毒(du)(du)(du)(du)物(wu)是(shi)在一(yi)定(ding)(ding)條件下(xia),以(yi)較小劑量給予時(shi),可(ke)與生(sheng)物(wu)體相互(hu)作用(yong),引起生(sheng)物(wu)體功(gong)

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    08-04 / 2023

  • 寫給氣相色譜初學者的建議

    01氣相(xiang)(xiang)色(se)(se)譜柱和檢(jian)(jian)(jian)(jian)測(ce)器(qi)(qi)(qi)(qi)的(de)(de)選(xuan)擇當(dang)我們(men)拿到(dao)(dao)一個需要氣相(xiang)(xiang)色(se)(se)譜儀進行(xing)測(ce)試的(de)(de)項(xiang)目時,我們(men)首先要確定該(gai)物質(zhi)應該(gai)用哪種(zhong)檢(jian)(jian)(jian)(jian)測(ce)器(qi)(qi)(qi)(qi)和色(se)(se)譜柱。標準會寫明所用到(dao)(dao)的(de)(de)檢(jian)(jian)(jian)(jian)測(ce)器(qi)(qi)(qi)(qi),作為了解,還是(shi)給(gei)大家講下檢(jian)(jian)(jian)(jian)測(ce)器(qi)(qi)(qi)(qi)的(de)(de)選(xuan)擇。氣相(xiang)(xiang)色(se)(se)譜儀主要的(de)(de)檢(jian)(jian)(jian)(jian)測(ce)器(qi)(qi)(qi)(qi)有氮磷(lin)檢(jian)(jian)(jian)(jian)測(ce)器(qi)(qi)(qi)(qi)(NPD)、火焰(yan)光度(du)檢(jian)(jian)(jian)(jian)測(ce)器(qi)(qi)(qi)(qi)(FPD)、電(dian)子(zi)捕獲(huo)檢(jian)(jian)(jian)(jian)測(ce)器(qi)(qi)(qi)(qi)(ECD)、氫火焰(yan)離子(zi)化檢(jian)(jian)(jian)(jian)測(ce)器(qi)(qi)(qi)(qi)(FID)等,前三種(zhong)檢(jian)(jian)(jian)(jian)測(ce)器(qi)(qi)(qi)(qi)屬于專用型(xing)檢(jian)(jian)(jian)(jian)測(ce)器(qi)(qi)(qi)(qi),如電(dian)子(zi)捕獲(huo)檢(jian)(jian)(jian)(jian)測(ce)器(qi)(qi)(qi)(qi)(ECD),它只(zhi)對具有電(dian)負性的(de)(de)物質(zhi)有響應

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    07-28 / 2021

  • 氣相色譜常見問題及解決方案

    1、漏氣(qi)(qi)(qi)(qi)(qi)問(wen)題(ti)及解決方法(fa) 漏氣(qi)(qi)(qi)(qi)(qi),分為載(zai)氣(qi)(qi)(qi)(qi)(qi)漏氣(qi)(qi)(qi)(qi)(qi)和輔助氣(qi)(qi)(qi)(qi)(qi)漏氣(qi)(qi)(qi)(qi)(qi)。載(zai)氣(qi)(qi)(qi)(qi)(qi)漏氣(qi)(qi)(qi)(qi)(qi)時(shi),色譜圖有以下變化: ① 基(ji)(ji)線變化 a.基(ji)(ji)線不穩(wen)定(噪聲大(da)(da)、恒(heng)溫操(cao)作時(shi)無規則波動(dong)或(huo)向一(yi)個(ge)方向漂(piao)移(yi))。i.基(ji)(ji)線燥聲大(da)(da),可(ke)能(neng)(neng)是(shi)載(zai)氣(qi)(qi)(qi)(qi)(qi)流(liu)速(su)過大(da)(da)或(huo)漏氣(qi)(qi)(qi)(qi)(qi);ii.基(ji)(ji)線正(zheng)弦波波動(dong),可(ke)能(neng)(neng)是(shi)載(zai)氣(qi)(qi)(qi)(qi)(qi)流(liu)量(liang)不穩(wen)定,除(chu)檢查(cha)氣(qi)(qi)(qi)(qi)(qi)源外,也(ye)要排除(chu)是(shi)否漏氣(qi)(qi)(qi)(qi)(qi);iii.恒(heng)溫操(cao)作時(shi)基(ji)(ji)線無規則波動(dong)或(huo)向一(yi)個(ge)方向漂(piao)移(yi),出現這些(xie)現象可(ke)先排除(chu)載(zai)氣(qi)(qi)(qi)(qi)(qi)是(shi)

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    05-07 / 2021