蔬(shu)菜(cai)(cai)(cai)水(shui)(shui)果(guo)在(zai)人(ren)們(men)日常(chang)生活中(zhong)(zhong)扮演著(zhu)很重(zhong)要(yao)(yao)(yao)(yao)的(de)(de)(de)角色,因此(ci)加強蔬(shu)菜(cai)(cai)(cai)水(shui)(shui)果(guo)的(de)(de)(de)安(an)(an)全(quan)(quan)檢(jian)測(ce)很重(zhong)要(yao)(yao)(yao)(yao)。當(dang)前我國蔬(shu)菜(cai)(cai)(cai)水(shui)(shui)果(guo)安(an)(an)全(quan)(quan)性(xing)問題主(zhu)要(yao)(yao)(yao)(yao)以(yi)農(nong)(nong)(nong)藥(yao)(yao)殘(can)留(liu)(liu)問題為主(zhu),保(bao)證農(nong)(nong)(nong)藥(yao)(yao)的(de)(de)(de)合理使用(yong),禁止農(nong)(nong)(nong)藥(yao)(yao)殘(can)留(liu)(liu)超(chao)標的(de)(de)(de)蔬(shu)菜(cai)(cai)(cai)水(shui)(shui)果(guo)入(ru)市銷售是蔬(shu)菜(cai)(cai)(cai)水(shui)(shui)果(guo)質量(liang)安(an)(an)全(quan)(quan)檢(jian)測(ce)工作(zuo)的(de)(de)(de)重(zhong)要(yao)(yao)(yao)(yao)內容之一,想要(yao)(yao)(yao)(yao)控制蔬(shu)菜(cai)(cai)(cai)水(shui)(shui)果(guo)中(zhong)(zhong)的(de)(de)(de)農(nong)(nong)(nong)藥(yao)(yao)殘(can)留(liu)(liu)的(de)(de)(de)關鍵環(huan)節是對蔬(shu)菜(cai)(cai)(cai)水(shui)(shui)果(guo)農(nong)(nong)(nong)藥(yao)(yao)殘(can)留(liu)(liu)進行及時有效(xiao)的(de)(de)(de)檢(jian)測(ce),現在(zai)農(nong)(nong)(nong)殘(can)檢(jian)測(ce)工作(zuo)中(zhong)(zhong)農(nong)(nong)(nong)藥(yao)(yao)殘(can)留(liu)(liu)檢(jian)測(ce)儀設備的(de)(de)(de)應用(yong)發揮了重(zhong)要(yao)(yao)(yao)(yao)的(de)(de)(de)作(zuo)用(yong)。
農藥殘留檢測儀檢(jian)測蔬(shu)菜(cai)水果的(de)(de)優點主要有儀器操作簡單便攜,檢(jian)測速(su)(su)度快(kuai), 檢(jian)測成本低(di),體積小巧便于攜帶,可用于現場檢(jian)測。儀器的(de)(de)使用彌(mi)補了傳統農(nong)殘(can)檢(jian)測的(de)(de)不足,針對生產銷售的(de)(de)蔬(shu)菜(cai)水果農(nong)殘(can)量進行快(kuai)速(su)(su)的(de)(de)篩選監(jian)測,保證入市蔬(shu)菜(cai)水果的(de)(de)安全性。
農(nong)藥殘(can)留檢(jian)(jian)測儀主要采用的酶抑制(zhi)原(yuan)理實現(xian)檢(jian)(jian)測,酶試劑易(yi)失(shi)活(huo),容易(yi)導致(zhi)反(fan)應的不穩(wen)定(ding),檢(jian)(jian)測結果的誤差較大(da),且(qie)只能檢(jian)(jian)測有(you)機磷類和氨基甲(jia)酸(suan)脂類農(nong)藥的殘(can)留量,不能檢(jian)(jian)測有(you)機氯(lv)類等其他農(nong)藥,對于易(yi)出(chu)現(xian)假陽性(xing)的蔬菜(cai)水果檢(jian)(jian)測誤差大(da)。針對儀器存在的問題還需要使(shi)用人員定(ding)期檢(jian)(jian)測校準,確(que)保(bao)檢(jian)(jian)測結果的準確(que)性(xing)。因此(ci)在操(cao)作(zuo)過程中一定(ding)按照儀器操(cao)作(zuo)說明書規(gui)范(fan)操(cao)作(zuo),減少誤差。
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