浙江官方總磷分析儀上海博取環(huán)境技術(shù)供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="鉬酸銨分光光度法GB11893~89主題內(nèi)容與適用范圍：本標(biāo)準(zhǔn)規(guī)定了用過***鉀（或硝酸－高氯酸）為氧化劑，將未經(jīng)過濾的水樣消解，浙江官方總磷分析儀，用鉬酸銨分光光度測(cè)定總磷的方法，浙江官方總磷分析儀?？偭装ㄈ芙獾?、顆粒的、有機(jī)的和無(wú)機(jī)磷"><meta name="keywords" content="浙江官方總磷分析儀,總磷分析儀"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>浙江官方總磷分析儀,總磷分析儀</p><p><span>***更新：</span>2021-01-28 13:06:01</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="yxjgn7g" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海博取環(huán)境技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>吳龐博</p><p><span>郵箱: </span>2355456207@qq.com</p><p><span>電話: </span>15900820461</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-20966896</p><p><span>地址: </span>南匯新城鎮(zhèn)海洋一路333號(hào)</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="ujln239" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="l39ghg2" class="box"><p><p style="text-indent:25px">鉬酸銨分光光度法GB 11893~89 主題內(nèi)容與適用范圍：本標(biāo)準(zhǔn)規(guī)定了用過***鉀（或硝酸－高氯酸）為氧化劑，將未經(jīng)過濾的水樣消解，浙江官方總磷分析儀，用鉬酸銨分光光度測(cè)定總磷的方法，浙江官方總磷分析儀?？偭装ㄈ芙獾摹㈩w粒的、有機(jī)的和無(wú)機(jī)磷。本標(biāo)準(zhǔn)適用于地面水、污水和工業(yè)廢水。取25mL試料，本標(biāo)準(zhǔn)的比較低檢出濃度為0.01mg/L，測(cè)定上限為0.6mg/L。在酸性條件下，砷、鉻、硫干擾測(cè)定。原理：在中性條件下用過***鉀（或硝酸－高氯酸）使試樣消解，將所含磷全部氧化為正磷酸鹽。在酸性介質(zhì)中，正磷酸鹽與鉬酸銨反應(yīng)，在銻鹽存在下生成磷鉬雜多酸后，浙江官方總磷分析儀，立即被抗壞血酸還原，生成藍(lán)色的絡(luò)合物。浙江官方總磷分析儀</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江官方總磷分析儀,總磷分析儀" src="http://tyunfile.71360.com/UploadFile/boqu123/637066545116464843/8095071.png"></div><p style="text-indent:25px"> 原理在中性條件下，過***鉀溶液在高壓釜內(nèi)經(jīng)120℃以上加熱，產(chǎn)生如下反應(yīng)： K2S2O4+H2O→2KHSO4+[O] 從而將水中的有機(jī)磷、無(wú)機(jī)磷、懸浮物內(nèi)的磷氧化成正磷酸。在酸性介質(zhì)中，正磷酸與鉬酸銨反應(yīng)，在銻鹽存在下塵成磷鉬雜多酸后，立即被抗壞血酸還原，生成藍(lán)色的絡(luò)合物，在880nm和700nm波長(zhǎng)下均有比較大吸收度。 ***(H2SO4，A.R）ρ=1.84 (1+1)***：取（4.1）***與水等體積混合過***鉀，50g/L溶液：將5g過***鉀（K2S2O8，A.R）溶于水并稀釋至100ml。抗壞血酸，100g/L溶液：溶解10g抗壞血酸（C6H8O6，C.P.）于水中，并稀釋至100ml。此溶液儲(chǔ)于棕色的試劑瓶中，在冷處可穩(wěn)定幾周。如不變色可長(zhǎng)時(shí)間使用。浙江官方總磷分析儀</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江官方總磷分析儀,總磷分析儀" src="http://tyunfile.71360.com/UploadFile/boqu123/637066593997480468/786253.jpg"></div><p style="text-indent:25px">水中磷可以元素磷、正磷酸鹽、縮合磷酸鹽、焦磷酸鹽、偏磷酸鹽和有機(jī)團(tuán)結(jié)合的磷酸鹽等形式存在。其主要來源為生活污水、化肥、有機(jī)磷農(nóng)藥及近代洗滌劑所用的磷酸鹽增潔劑等。磷酸鹽會(huì)干擾水廠中的混凝過程。水體中的磷是藻類生長(zhǎng)需要的一種關(guān)鍵元素，過量磷是造成水體污穢異臭，使湖泊發(fā)生富營(yíng)養(yǎng)化和海灣出現(xiàn) 赤潮的主要原因。我國(guó) 地面水環(huán)境質(zhì)量標(biāo)準(zhǔn)（G3838~2002）規(guī)定總磷容許值如下。磷是飼料中的一種營(yíng)養(yǎng)素，是飼料的構(gòu)成成分，是動(dòng)物必需的常量礦物元素。總磷是反映飼料中磷含量水平的指標(biāo)。對(duì)單胃動(dòng)物來說，總磷中含有的植酸磷是其所不能利用的，飼料總可以被動(dòng)物利用的部分稱為有效磷。對(duì)反芻動(dòng)物來說，由于消化道中存在分解植酸磷的植酸酶，因此可根據(jù)原料中總磷的含量和動(dòng)物的營(yíng)養(yǎng)需要量來設(shè)計(jì)配方。</p><p style="text-indent:25px"> 2019年9月18日，方正集團(tuán)成員企業(yè)**前來公司參觀指導(dǎo)工作。由我司總經(jīng)理程總，技術(shù)總監(jiān)倪總，臨港科創(chuàng)中心張總一起接待參觀，介紹了我們公司的產(chǎn)品和實(shí)力，同時(shí)我們的產(chǎn)品和未來的發(fā)展也得到了**的認(rèn)可，參觀洽談完美結(jié)束。 2019年9月18日，方正集團(tuán)成員企業(yè)**前來公司參觀指導(dǎo)工作。由我司總經(jīng)理程總，技術(shù)總監(jiān)倪總，臨港科創(chuàng)中心張總一起接待參觀，介紹了我們公司的產(chǎn)品和實(shí)力，同時(shí)我們的產(chǎn)品和未來的發(fā)展也得到了**的認(rèn)可，參觀洽談完美結(jié)束。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江官方總磷分析儀,總磷分析儀" src="http://tyunfile.71360.com/UploadFile/boqu123/637066417500742188/5477270.jpg"></div><p style="text-indent:25px">由于我國(guó)在線監(jiān)測(cè)技術(shù)水平不太高，而且水污染比較嚴(yán)重，所以必須提高在線監(jiān)測(cè)技術(shù)的水平。可吸收國(guó)外的先進(jìn)技術(shù)，但不是照搬，因?yàn)閲?guó)外的水質(zhì)與我國(guó)水質(zhì)并不是完全相同，應(yīng)根據(jù)我國(guó)水體的現(xiàn)狀，研究并制定適合我國(guó)水體的總磷總氮在線監(jiān)測(cè)技術(shù)，提高我國(guó)總磷總氮監(jiān)測(cè)水平。總氮在線監(jiān)測(cè)的方法是在水樣中加入K2S2O8溶液和 NaOH 溶液，在 85 ℃下紫外線照射，水樣中含氮化合物被分解成硝酸根。被消解的水樣冷卻至一定溫度后，分取一部分試樣，加 HCl 調(diào)節(jié)至 pH2 ～ 3，然后在220nm 波長(zhǎng)處測(cè)量吸光度值，并計(jì)算出水中的總氮濃度值。總磷在線監(jiān)測(cè)的方法是用紫外催化 - 過***鉀氧化分光光度法。陜西總磷分析儀客戶至上</p><p style="text-indent:25px">浙江官方總磷分析儀</p><p style="text-indent:25px">隨著現(xiàn)在科學(xué)技術(shù)的發(fā)展，儀器儀表行業(yè)發(fā)生了突飛猛進(jìn)的發(fā)展，再加上當(dāng)前計(jì)算機(jī)技術(shù)、網(wǎng)絡(luò)技術(shù)的進(jìn)步和發(fā)展，組建網(wǎng)絡(luò)而構(gòu)成實(shí)用的監(jiān)控系統(tǒng)，可以提高生產(chǎn)效率和共享信息資源方向發(fā)展。當(dāng)前儀器儀表行業(yè)產(chǎn)品發(fā)展呈現(xiàn)微型化、多功能化、智能化、網(wǎng)絡(luò)化四大發(fā)展趨勢(shì)。隨著網(wǎng)絡(luò)消費(fèi)的不斷遞增，而互聯(lián)網(wǎng)的的商業(yè)價(jià)值不斷被挖掘出來，呈爆發(fā)式增長(zhǎng)，傳統(tǒng)的營(yíng)銷模式將逐步被取代。私營(yíng)有限責(zé)任公司企業(yè)要抓住機(jī)遇，融入到互聯(lián)網(wǎng)發(fā)展的行業(yè)中，為行業(yè)的發(fā)展提高競(jìng)爭(zhēng)力。PH計(jì)，COD分析儀，氨氮分析儀，重金屬分析儀產(chǎn)業(yè)是國(guó)民經(jīng)濟(jì)的基礎(chǔ)性、戰(zhàn)略性產(chǎn)業(yè)，是信息化和工業(yè)化深度融合的源頭，對(duì)促進(jìn)工業(yè)轉(zhuǎn)型升級(jí)、發(fā)展戰(zhàn)略性新興產(chǎn)業(yè)、推動(dòng)現(xiàn)代**建設(shè)、保證和提高大家生活水平具有重要作用。隨著中國(guó)的不斷進(jìn)步，世界上只有一個(gè)救世主——市場(chǎng)，能救企業(yè)的只有你自己——自強(qiáng)，提高生產(chǎn)型重點(diǎn)競(jìng)爭(zhēng)力才是中國(guó)制造業(yè)的獨(dú)一出路。以顯微科學(xué)儀器行業(yè)的發(fā)展與變化為例，以親身的實(shí)踐為例，毛磊認(rèn)為，隨著經(jīng)濟(jì)的不斷發(fā)展，我國(guó)的環(huán)境和實(shí)力都發(fā)生了巨大變化，有了完全不同的基礎(chǔ)，這為國(guó)產(chǎn)科學(xué)儀器走向**增強(qiáng)了信心。浙江官方總磷分析儀</p><p style="text-indent:25px">　　上海博取環(huán)境技術(shù)有限公司是國(guó)內(nèi)大型的水質(zhì)分析儀器、自動(dòng)化儀器儀表專業(yè)的生產(chǎn)制造企業(yè)，具有**的產(chǎn)品研發(fā)中心，以及齊全的工藝設(shè)備和檢測(cè)設(shè)備，為制造出性能優(yōu)良、質(zhì)量可靠的產(chǎn)品奠定了堅(jiān)實(shí)的基礎(chǔ)。上海博取環(huán)境技術(shù)有限公司經(jīng)過多年的經(jīng)營(yíng)建立了完善的產(chǎn)品體系。通過傳統(tǒng)渠道和互聯(lián)網(wǎng)渠道相結(jié)合的方式，形成了完整的營(yíng)銷脈絡(luò)，使貿(mào)易方式更加***豐富。上海博取環(huán)境技術(shù)有限公司把質(zhì)量服務(wù)視為企業(yè)的生命，為使廣大用戶享受完整的配套服務(wù), 完善的技術(shù)咨詢及完美的售后服務(wù), 多年來產(chǎn)品服務(wù)不斷升級(jí)，得到廣大用戶的一致好評(píng)!!歡迎大家來我們公司實(shí)地考察!</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3051428.html</p></div></div></div></div></div><div id="rpbn744" class="page-right twoColRt"><div id="oszg2u4" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bfhegnk" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 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