春风物语电影

，可直接進行水樣測量"],["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體","hint":"eastAsia"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"；"]]],["p",{"ind":{"firstLine":0,"firstLineChars":0,"left":0},"jc":"left","list":{"isChecked":false,"isOrdered":false,"isTaskList":false,"level":0,"listId":"3","listStyle":{"align":"left","format":"bullet","text":"?"}},"numPr":{"id":"3","level":0},"rPr":{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt"},"styleId":"a4","windowControl":true},["span",{"data-type":"text"},["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"測量時可對水樣先大致預判

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；"]]],["p",{"ind":{"firstLine":0,"firstLineChars":0,"left":0},"jc":"left","list":{"isChecked":false,"isOrdered":false,"isTaskList":false,"level":0,"listId":"3","listStyle":{"align":"left","format":"bullet","text":"?"}},"numPr":{"id":"3","level":0},"rPr":{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt"},"styleId":"a4","windowControl":true},["span",{"data-type":"text"},["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體","hint":"eastAsia"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"待測樣本置入儀器后"],["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"約"],["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體","hint":"eastAsia"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"10"],["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"秒"],["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體","hint":"eastAsia"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"后"],["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"再按"],["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體","hint":"eastAsia"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"開始測量

，"]]],["p",{"ind":{"firstLine":0,"firstLineChars":0,"left":0},"jc":"left","list":{"isChecked":false,"isOrdered":false,"isTaskList":false,"level":0,"listId":"5","listStyle":{"align":"left","format":"bullet","text":"?"}},"numPr":{"id":"5","level":0},"rPr":{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt"},"styleId":"a4","windowControl":true},["span",{"data-type":"text"},["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體","hint":"eastAsia"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"測定范圍：0～10mg/L,"]]],["p",{"ind":{"firstLine":30,"firstLineChars":250},"jc":"left","numPr":{},"rPr":{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt"},"styleId":"a4","windowControl":true},["span",{"data-type":"text"},["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體","hint":"eastAsia"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"檢出限：0.01mg/L"]]]]],["tr",{"h":119.53,"hRule":"none"},["tc",{"colSpan":1,"hidden":false,"rowSpan":1,"vAlign":"center","width":{"type":"dxa","w":111.4}},["p",{"jc":"center","rPr":{"sz":9,"szUnit":"pt"},"spacing":{"line":1,"lineRule":"exact"}},["span",{"data-type":"text"},["span",{"fonts":{"hint":"eastAsia"},"sz":9,"szUnit":"pt","data-type":"leaf"},"說明"]]]],["tc",{"colSpan":2,"hidden":false,"rowSpan":1,"width":{"type":"dxa","w":474.8}},["p",{"ind":{"firstLineChars":0,"hanging":0.07,"left":2.27},"jc":"left","list":{"isChecked":false,"isOrdered":false,"isTaskList":false,"level":0,"listId":"4","listStyle":{"align":"left","format":"bullet","text":"?"}},"numPr":{"id":"4","level":0},"rPr":{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt"},"styleId":"a4","windowControl":true},["span",{"data-type":"text"},["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"不能將樣品放置一段時間或在不同時間段重復進行測試比較

。"]]],["p",{"ind":{"firstLineChars":0,"hanging":0.07,"left":2.27},"jc":"left","list":{"isChecked":false,"isOrdered":false,"isTaskList":false,"level":0,"listId":"4","listStyle":{"align":"left","format":"bullet","text":"?"}},"numPr":{"id":"4","level":0},"rPr":{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt"},"styleId":"a4","windowControl":true},["span",{"data-type":"text"},["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"比色完成的溶液不能長時間放置在"],["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體","hint":"eastAsia"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"反應"],["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"管中，應及時清洗"],["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體","hint":"eastAsia"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"反應"],["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"管及其"],["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體","hint":"eastAsia"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"它"],["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"實驗用具

，進行集中處理

，以免"],["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體","hint":"eastAsia"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"殘留"],["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"影響數(shù)據(jù)準確性

。"]]],["p",{"ind":{"firstLineChars":0,"hanging":0.07,"left":2.27},"jc":"left","list":{"isChecked":false,"isOrdered":false,"isTaskList":false,"level":0,"listId":"4","listStyle":{"align":"left","format":"bullet","text":"?"}},"numPr":{"id":"4","level":0},"rPr":{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt"},"styleId":"a4","windowControl":true},["span",{"data-type":"text"},["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體","hint":"eastAsia"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"方法依據(jù)《"],["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"GB/T 7472-1987 水質(zhì) 鋅的測定雙硫腙分光光度法"],["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體","hint":"eastAsia"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"》"]]]],["tc",{"colSpan":1,"hidden":true,"rowSpan":1},["p",{},["span",{"data-type":"text"},["span",{"data-type":"leaf"},""]]]]]],["p",{"jc":"left","rPr":{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt"},"windowControl":true},["span",{"data-type":"text"},["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體","hint":"eastAsia"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"鋅標準貯備溶液:準確稱取0.1000g 鋅粒(純度99.9%)溶于2mol/L 鹽酸溶液5ml,移入1000ml容量瓶,用水定容至標線，此溶液濃度為含鋅100ug/ml."]]],["p",{"jc":"left","rPr":{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體"},"kern":0,"sz":9,"szUnit":"pt"},"windowControl":true},["span",{"data-type":"text"},["span",{"fonts":{"ascii":"宋體","cs":"宋體","eastAsia":"宋體","hAnsi":"宋體","hint":"eastAsia"},"kern":0,"sz":9,"szUnit":"pt","data-type":"leaf"},"鋅標準使用溶液：取鋅標準貯備溶液5.00ml置于500ml容量瓶中,用水定容至標線

，此溶液濃度為含鋅1ug/ml."]]]]">

水質(zhì)總鋅檢測流程圖

注意事項：

選擇“測量項目”時檢測位要保持空艙并關閉艙門
內(nèi)置工作曲線
，可直接進行水樣測量；
測量時可對水樣先大致預判
，超量程稀釋取樣測量
；量取/加入樣品、試劑時移液管應平視凹液量?div id="jpandex" class="focus-wrap mb20 cf">?div id="jpandex" class="focus-wrap mb20 cf">；
移取樣品/試劑的移液管不可交叉使用，以防試劑污染
；
有沉淀屬正?div id="jpandex" class="focus-wrap mb20 cf">，F(xiàn)；
擦拭及其測量過程請匆劇烈搖動消解管
；
待測樣本置入儀器后約10秒后再按開始測量
；
樣品測量時數(shù)據(jù)短時間內(nèi)在小范圍波動屬正常現(xiàn)象
，

測定范圍：0～10mg/L,

檢出限：0.01mg/L

說明

不能將樣品放置一段時間或在不同時間段重復進行測試比較
。
比色完成的溶液不能長時間放置在反應管中，應及時清洗反應管及其它實驗用具
。
水樣預處理過程及比色過程應緊湊完成
。
比色完成后的溶液不能隨意傾倒，應統(tǒng)一收集
，進行集中處理
。
如比色皿、反應管劃傷
，請及時更換
，以免殘留影響數(shù)據(jù)準確性。
方法依據(jù)《GB/T 7472-1987 水質(zhì) 鋅的測定雙硫腙分光光度法》

鋅標準貯備溶液:準確稱取0.1000g 鋅粒(純度99.9%)溶于2mol/L 鹽酸溶液5ml,移入1000ml容量瓶,用水定容至標線

，此溶液濃度為含鋅100ug/ml.

鋅標準使用溶液：取鋅標準貯備溶液5.00ml置于500ml容量瓶中,用水定容至標線

，此溶液濃度為含鋅1ug/ml.

水質(zhì)總鋅檢測流程圖

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