99精品丰满人妻无码A片_除了傳統分光光度法，水質(zhì)常規分析還有哪些方法-江蘇盛奧華環(huán)?？萍加邢薰?/title> <link rel="stylesheet" type="text/css" href="/skins/257424/css/swiper.min.css"> <link rel="stylesheet" type="text/css" href="/skins/257424/css/style.css"/> <script src="/skins/257424/js/jquery-3.6.0.min.js"></script> <script src="/skins/257424/js/swiper.min.js"></script> <link rel="shortcut icon" href="/skins/257424/favicon.ico">  <script language="javascript" type="text/javascript"> var nav= '5'; </script>  <script type="application/ld+json"> { "@context": "https://ziyuan.baidu.com/contexts/cambrian.jsonld", "@id": "http://www.uumote.com/jsshengaohua-Article-2553425/", "title": "除了傳統分光光度法，水質(zhì)常規分析還有哪些方法", "pubDate": "2021-02-24T13:58:53", "upDate": "2021-02-24T13:58:53" }</script> <script language="javaScript" src="/js/JSChat.js"></script><script language="javaScript">function ChatBoxClickGXH() { DoChatBoxClickGXH('https://chat.chem17.com',247129) }</script><script>!window.jQuery && document.write('<script 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127); font-size: 14px; text-indent: 2em; font-family: 微軟雅黑; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; color: rgb(0, 0, 0);"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">水質(zhì)常規分析項目中傳統分光光度法較為常用，可測定氨氮、總氮、硫化物、總磷、揮發(fā)酚、陰離子表面活性劑、六價(jià)鉻、石油類(lèi)和氟化物。其中，氟化物不常用分光光度法，而采用電化學(xué)法或離子色譜法；石油類(lèi)根據水質(zhì)類(lèi)型采用紅外和紫外兩種方法；而其余8項指標，除傳統分光光度法外，至少有一種其他分析方法。</span></span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-indent: 28px; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; color: rgb(0, 0, 0); font-family: 宋體, SimSun;">這些指標根據測定方法分類(lèi)：氣相分子吸收法適用于：氨氮、總氮、硫化物；連續流</span><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">動(dòng)分光光度法適用于：氨氮、總氮、總磷；流動(dòng)注射分光光度法適用于：氨氮、總氮、硫化物、總磷、揮發(fā)酚、陰離子表面活性劑、六價(jià)鉻。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-indent: 28px; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">其中</span><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">氣相分子吸收法</span><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">基本原理為：氣體分子在不受外界影響的情況下，通常處于相對穩定的狀態(tài)，稱(chēng)之為基態(tài)氣體分子。如果這些氣體分子接收到特定波長(cháng)的光輻射，很容易產(chǎn)生相應的分子震動(dòng)。依照上述理論，在測定時(shí)，通過(guò)特定的化學(xué)反應，將被測定成分轉化為對應的某種氣體，選擇合適的波長(cháng)，基態(tài)分子對該特征波長(cháng)的分子振動(dòng)吸收與濃度成正比，從而得出被測成分的含量。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"> </section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">氣相分子吸收法利用的化學(xué)反應為：</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">① 測定亞硝酸鹽氮：亞硝酸鹽在酸性介質(zhì)和乙醇的作用下生成NO<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">2</sub>，分析NO<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">2</sub>濃度，從而得出亞硝酸鹽含量。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: center; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">NO<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">2</sub><sup style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">-</sup> + H<sup style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">+</sup>+ CH<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">3</sub>CH<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">2</sub>OH → NO<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">2</sub>↑</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">② 測定氨氮: 用次溴酸鹽氧化樣品中的氨氮為亞硝酸鹽氮，然后按照亞硝酸鹽氮測定分析方法，從而得出氨氮含量。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: center; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">NH<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">3</sub>·H<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">2</sub>O+BrO<sup style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">-</sup>→NO<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">2</sub><sup style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">- </sup>;</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: center; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">NO<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">2</sub><sup style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">- </sup>+ H<sup style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">+</sup>+CH<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">3</sub>CH<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">2</sub>OH → NO<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">2 </sub>↑</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">③ 測定硝酸鹽氮: 在高溫環(huán)境下，硝酸鹽被三氯化鈦-鹽酸溶液還原成NO，分析NO濃度，從而得出硝酸鹽氮含量。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: center; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">NO<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">3</sub><sup style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">-</sup>+ H<sup style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">+</sup>+TiCl<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">3 </sub>→ NO↑</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">④ 測定總氮：在堿性過(guò)硫酸鉀溶液中，于高溫環(huán)境下，將水樣中氨、銨鹽、亞硝酸鹽以及大部分有機氮化合物氧化成硝酸鹽后，以硝酸鹽氮的形式采用氣相分子吸收光譜法進(jìn)行總氮的測定。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: center; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">N → NO<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">3</sub><sup style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">-</sup>；</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: center; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">NO<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">3</sub><sup style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">-</sup> + H<sup style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">+</sup>+ TiCl<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">3</sub> →NO↑</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">⑤ 測定硫化物：硫化物在酸性環(huán)境中生成硫化氫，分析硫化氫含量，從而得出硫化物含量。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: center; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">S<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">2</sub><sup style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">-</sup>+H<sup style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">+</sup>→ H<sub style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">2</sub>S↑</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"> </section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">而連續流動(dòng)與流動(dòng)注射的原理也有差異：</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">連續流動(dòng)</span><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">分析儀工作原理：</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-indent: 28px; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">試樣與試劑在蠕動(dòng)泵的推動(dòng)下進(jìn)入分析模塊，并在密閉的管路中按特定的順序和比例混合，進(jìn)行蒸餾、消解、萃取等反應，顯色*后進(jìn)入流動(dòng)檢測池進(jìn)行光度檢測，測定試樣中被測物質(zhì)含量。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">連續流動(dòng)方法化學(xué)反應原理：</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-indent: 28px; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">試樣與硼酸緩沖溶液混合，加入過(guò)硫酸鉀后進(jìn)入紫外消解系統，含氮化合物氧化成硝酸根離子，并經(jīng)鎘柱還原為亞硝酸根離子。亞硝酸根離子與鹽酸萘乙二胺反應生成紫紅色化合物，在540nm 處比色測定。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">流動(dòng)注射分析儀工作原理：</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-indent: 28px; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">在封閉的管路中，由注射閥控制向連續流動(dòng)的載液流斷續地注入一定體積的試樣，試樣和試劑在分析模塊中按特定的順序和比例混合、反應，在非*反應的條件下，進(jìn)入流動(dòng)檢測池進(jìn)行光度檢測，測定試樣中被測物質(zhì)含量。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">流動(dòng)注射方法化學(xué)反應原理：</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-indent: 28px; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; font-family: 宋體, SimSun;">利用在線(xiàn)過(guò)硫酸鉀/紫外消解方法，水樣經(jīng) 95～105℃高溫，其中含氮化合物氧化為硝酸根，并經(jīng)鎘柱還原為亞硝酸根，在酸性條件下，亞硝酸根與磺胺產(chǎn)生重氮化反應，生成的重氮離子與萘乙二胺鹽酸鹽結合產(chǎn)生紅色染料，在540nm 處比色測定。</span></section> </div> <div id="mkoiwus" class="ly_PrevNext"> <ul> <li>上一篇：<a href="/jsshengaohua-Article-2560858/">水中銀離子的測定</a></li> <li>下一篇：<a href="/jsshengaohua-Article-2535322/">濁度儀的使用注意事項你需要知道</a></li> </ul> </div> </div>   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