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class="font_size">文字：<a href="javascript:setFontSize(16);">[大]</a><a href="javascript:setFontSize(14);">[中]</a><a href="javascript:setFontSize(12);">[小]</a></span> <span class="mobile_qr"> 手機頁面二維碼 <span class="qrimg"><img src="http://ibwewm.z243.ibw.cc/api/QR?t=http://cohere.com.cn/3g/display/61605.html&q=2&s=3&e=3" /></span> </span> <span class="PublishedDate">2016/8/11 </span> <span class="Hits">瀏覽次數：<b class="red" id="hits"></b> </span> <div class="share_box"> <div class="share_name">一鍵分享</div> <div style="display: none;background:#E9EBEA" class="share_content">  <div class="bdsharebuttonbox"><a href="#" class="bds_more" data-cmd="more"></a><a href="#" class="bds_qzone" data-cmd="qzone" title="分享到QQ空間"></a><a href="#" class="bds_tsina" data-cmd="tsina" title="分享到新浪微博"></a><a href="#" class="bds_renren" data-cmd="renren" title="分享到人人網"></a><a href="#" class="bds_weixin" data-cmd="weixin" title="分享到微信"></a></div> <script>window._bd_share_config = { "common": { "bdSnsKey": {}, "bdText": "", "bdMini": "2", "bdMiniList": false, "bdPic": "", "bdStyle": "0", "bdSize": "16" }, "share": {} }; with (document) 0[(getElementsByTagName('head')[0] || body).appendChild(createElement('script')).src = 'http://bdimg.share.baidu.com/static/api/js/share.js?v=89860593.js?cdnversion=' + ~(-new Date() / 36e5)];</script>  </div> </div> <script type="text/javascript"> $('.share_box').hover(function () { $(this).find('.share_content').show(); }) $('.share_box').mouseleave(function () { $(this).find('.share_content').hide(); }) </script> </div> <div class="others enquiry"> </div> <div class="others_online"> <a class="online_qq" href="tencent://message/?uin=1550680735&Site=&Menu=yes">售前咨詢</a> </div>   </div> <div id="info_content" class="display_content display_article"> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;"></span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">摘要</span> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">　　本文對空氣、廢氣以及地表水、污水自動監測系統的技術構成和技術關鍵，以及在線自動分析儀的技術原理、發展現狀和存在的問題進行了評述。重點討論了SO2、NOx、O3、CO、</span> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">PM10、煙塵等空氣或廢氣自動分析儀以及水質常規五參數、化學需氧量（COD）、高錳酸鹽指數、總有機碳（TOC）、氨氮、總氮、磷酸鹽、總磷和UV等水質自動分析儀。</span> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;"><br /> </span> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">　　關鍵詞空氣和廢氣地表水和污水自動監測系統自動分析儀在線</span> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;"><br /> </span> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">1、前言</span> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">　　目前，我國重點城市已在利用建立的環境空氣質量自動監測系統開展環境空氣質量日報或預報工作。2000年，開始實施130個城市的環境空氣質量監測系統的建設項目。與此同時，隨著污染物排放總量制度的實施，各地相繼開始建設污染源在線自動監測系統（重點廢氣排放源和重點污水排放源）。自1999年以來，國家已先后在七大水系的十個重點流域建成了42個地表水水質自動監測系統，黑龍江、廣東、江蘇和山東等省也相繼建成了10個地表水水質自動監測系統。目前，國家環?？偩终檬佬匈J款啟動重點流域30個地表水水質自動監測系統的建設項目。</span> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;"><br /> </span> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">2、環境空氣質量自動監測系統</span> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">　　環境空氣質量自動監測系統是一套自動監測儀器為核心的自動“測-控”系統?？?氣質量的自動監測系統一般采用濕法和干法兩種方式。濕法的測量原理是庫侖法和電導法等，需要大量試劑，存在試劑調整和廢液處理等問題，操作繁瑣，故障率高，維護量大。該法以日本為主，但自1996年起，日本在法定的測量方法中增加了干式測量原理，濕法現已處于淘汰階段。干法基于物理光學測量原理，使樣品始終保持在氣體狀態，沒有試劑的損耗，維護量較小。干法以歐美國家為主，代表了目前的發展趨勢。</span> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;"><br /> </span> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">2.1 系統的結構</span> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">　　干法監測子站主要由樣品采集、空氣自動分析儀、氣象參數傳感器、動態自動校準系統、數據采集和傳輸系統以及條件保證系統等組成。</span> </p> <p> <br /> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">2.1.1 大氣污染物自動分析儀</span> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">　　SO2自動分析儀：基于SO2分子接收紫外線（214 nm）能量成為激發態分子，在返回基態時，發出特征熒光，由光電倍增管將熒光強度信號轉換成電信號，通過電壓/頻率轉換成數字信號送給CPU進行數據處理。當SO2濃度較低，激發光程較短且背景為空氣時，熒光強度與SO2濃度成正比。采用空氣除烴器可消除多環芳烴（PAHs）對測量的干擾。</span> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">　　NOx自動分析儀：NO與O3發生反應生成激發態的NO2*，在返回基態時發射特征光，發光強度與NO濃度成正比。NO2不與O3發生反應，可通過鉬催化還原反應（315℃）將NO2轉換成NO后進行測量。如果樣氣通過鉬轉換器進入反應管，則測量的是NOx， NOx與NO濃度之差即為NO2。</span> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">　　PM10自動分析儀（β射線法）：儀器利用恒流抽氣泵進行采樣，大氣中的懸浮顆粒被吸附在β源和蓋革計數器之間的濾紙表面，抽氣前后蓋革計數器計數值的改變反映了濾紙上吸附灰塵的質量，由此可以得到單位體積空氣中懸浮顆粒的濃度。</span> </p> <p> <br /> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">　　對自動分析儀的自動校準通過動態自動校準系統完成，該系統包括動態自動校準儀、零氣發生器、標準氣源。</span> </p> <p> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">　　目前，我國尚未出臺各主要大氣自動分析儀的技術條件要求，表1是中國環境監測總站驗收DASIBI公司產品時的驗收標準。美國EPA對自動分析儀的性能指標要求（40 CFR PART 53）見表2。</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <strong><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">表1 DASIBI公司產品的驗收標準</span></strong> <table class="ke-zeroborder" width="100%" cellspacing="1" cellpadding="4" border="0"> <tbody> <tr bgcolor="#ffffff"> <td width="15%" bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">指標</span> </td> <td width="17%" bgcolor="#accdff"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">SO</span><sub><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">2</span></sub></span> </td> <td width="13%" bgcolor="#accdff"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">NO</span><sub><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">x</span></sub></span> </td> <td width="14%" bgcolor="#accdff"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">O</span><sub><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">3</span></sub></span> </td> <td width="16%" bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">CO</span> </td> <td width="25%" bgcolor="#accdff"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">PM</span><sub><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">10</span></sub></span> </td> </tr> <tr bgcolor="#ffffff"> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">24 h零漂</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">＜±5 ppb</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">＜5 ppb</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">＜5 ppb</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">0.5 ppm</span> </td> <td rowspan="5" bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">各臺儀器間的平行性≤±7%</span> </td> </tr> <tr bgcolor="#ffffff"> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">24 h標漂</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">＜±5 ppb</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">＜5 ppb</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">＜5 ppb</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">0.5 ppm</span> </td> </tr> <tr bgcolor="#ffffff"> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">線性度</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">＜±5 ppb</span> </td> <td bgcolor="#accdff"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">＜5 ppb</span><br /> </span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">＜5 ppb</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">0.5 ppm</span> </td> </tr> <tr bgcolor="#ffffff"> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">響應時間（t90）</span> </td> <td bgcolor="#accdff"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">5 min</span><br /> </span> </td> <td bgcolor="#accdff"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">5 min</span><br /> </span> </td> <td bgcolor="#accdff"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">2 min</span><br /> </span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">2 min</span> </td> </tr> <tr bgcolor="#ffffff"> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">重現性</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">5 ppb</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">5 ppb</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">20 ppb</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">0.5 ppm</span> </td> </tr> <tr bgcolor="#ffffff"> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">流量范圍</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">300～800 ml/min</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">250～700 ml/min</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">1.0～3.0 L/min</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">1.0 L/min</span> </td> <td bgcolor="#accdff"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">（16.7±1%）L/min</span> </td> </tr> </tbody> </table> <strong><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;"><br /> </span></strong> </p> <p> <strong><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">表2 美國EPA對大氣自動分析儀的技術性能要求</span></strong> <table class="ke-zeroborder" width="100%" cellspacing="1" cellpadding="4" border="0"> <tbody> <tr bgcolor="#ffffff"> <td width="20%" bgcolor="#f4e0d2"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">性能參數</span> </td> <td width="19%" bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">SO</span><sub><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">2</span></sub></span></span> </td> <td width="19%" bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">NO</span><sub><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">2</span></sub></span></span> </td> <td width="19%" bgcolor="#f4e0d2"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">CO</span></span> </td> <td width="23%" bgcolor="#f4e0d2"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">光化學氧化劑</span></span> </td> </tr> <tr bgcolor="#ffffff"> <td bgcolor="#f4e0d2"> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;"><span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">量程（</span></span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">ppm</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;"><span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">）</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">0</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">～</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">0.5</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">0</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">～</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">0.5</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">0</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">～</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">50</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">0</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">～</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">0.5</span></span> </td> </tr> <tr bgcolor="#ffffff"> <td bgcolor="#f4e0d2"> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;"><span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">噪聲（</span></span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">ppm</span><span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">）</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">0.005</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">0.005</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">0. 50</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">0.005</span></span> </td> </tr> <tr bgcolor="#ffffff"> <td bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">MDL</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">（</span></span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">ppm</span><span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">）</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">0.01</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">0.01</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">1.0</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">0.01</span></span> </td> </tr> <tr bgcolor="#ffffff"> <td bgcolor="#f4e0d2"> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;"><span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">24 h</span></span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">零漂</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;"><span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">（</span></span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">ppm</span><span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">）</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">±</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">0.02</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">±</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">0.02</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">±</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">1.0</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">±</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">0.02</span></span> </td> </tr> <tr bgcolor="#ffffff"> <td bgcolor="#f4e0d2"> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;"><span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">24 h</span></span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">標漂</span><span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">（</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">20%</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">）</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">±</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">20%</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">±</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">20%</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">±</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">10%</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">±</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">20%</span></span> </td> </tr> <tr bgcolor="#ffffff"> <td bgcolor="#f4e0d2"> <span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;"><span style="font-size:14px;font-family:Microsoft YaHei;color:#333333;">24 h</span></span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">標漂</span><span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">（</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">80%</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">）</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">±</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">5%</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">±</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">5%</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">±</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">2.5%</span></span> </td> <td bgcolor="#f4e0d2"> <span style="font-size:x-small;"><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">±</span><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">5%</span></span> </td> </tr> </tbody> </table> <strong> </strong><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">注意：利用O</span><sub><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">3</span></sub><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">分子吸收射入中空玻璃管的254 nm的紫外光，測量樣氣的出射光強。通過電磁閥的切換，測量滌除O</span><sub><span style="font-family:Microsoft YaHei;font-size:14px;color:#333333;">3</span></sub><span style="font-family:Microsoft 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