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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="yczroqs" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/boqu123/637066593997480468/786253.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="j22s84d" 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>安徽優(yōu)良總磷分析儀推薦廠家,總磷分析儀</p><p><span>***更新：</span>2021-01-12 03:05:13</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="g3bdkwy" 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</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="ti38v88" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ihjqn8l" class="box"><p><p style="text-indent:25px">我國在總磷總氮在線監(jiān)測方面的技術(shù)一直不是很先進(jìn)，傳統(tǒng)的監(jiān)測方法是手工采樣和實(shí)驗(yàn)室人工監(jiān)測方法，但是這個(gè)方法費(fèi)時(shí)又費(fèi)力，安徽優(yōu)良總磷分析儀推薦廠家，而且還不能有效的進(jìn)行實(shí)時(shí)監(jiān)測，所以我們采用的在線自動監(jiān)測的方法。我國積極引用國外昂貴監(jiān)測儀器，盡管**增加了監(jiān)測成本，但也取得了一定成就，隨著總氮總磷在線自動監(jiān)測儀的***使用，我國能及時(shí)的監(jiān)測出水體的質(zhì)量和水中的總磷總氮的含量是否超標(biāo)，但是在應(yīng)用上仍有一些需要改進(jìn)的地方。任何一件事情技術(shù)非常重要的，技術(shù)好可以保證監(jiān)測結(jié)果的正確性，降低監(jiān)測的成本，提高監(jiān)測效率。所以在總磷總氮的在線監(jiān)測中技術(shù)無比重要，安徽優(yōu)良總磷分析儀推薦廠家，安徽優(yōu)良總磷分析儀推薦廠家，它關(guān)乎結(jié)果的正確性。不同地區(qū)的水體質(zhì)量各不相同，所以需要不同的監(jiān)測技術(shù)。安徽優(yōu)良總磷分析儀推薦廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽優(yōu)良總磷分析儀推薦廠家,總磷分析儀" src="http://tyunfile.71360.com/UploadFile/boqu123/637066593997480468/786253.jpg"></div><p style="text-indent:25px">隨著環(huán)境保護(hù)工作的日益重視與加強(qiáng)，如何消除磷污染問題正成為人們越來越關(guān)注的課題。一、磷污集的來源 (一)工業(yè)污水食品加工、發(fā)酵、洗滌劑生產(chǎn)等工廠的廢水中含有大量的磷。(二)生活污水生活污水中的磷主要來自含磷合成洗滌劑的大量使用。 (三)含磷的化肥與農(nóng)藥為了提高農(nóng)作物產(chǎn)量，在我國農(nóng)村磷肥與有機(jī)磷農(nóng)藥常常會被大量使用。二、磷的危害 (一)磷對人的危害 (1)對皮膚的危害：高磷洗衣粉對皮膚有直接刺激危害，會產(chǎn)生灼燒疼痛的感覺，洗后的衣物穿在身上有時(shí)又會造成皮膚瘙癢，高磷洗衣粉已成為接觸性皮炎、嬰兒尿布疹等常見皮膚病的刺激源。 (2)對神經(jīng)中樞的危害：人體內(nèi)有一種重要的神經(jīng)傳導(dǎo)物質(zhì)已酰膽堿酯酶，有機(jī)磷會抑制膽堿酯酶使其無法分解已酰膽堿酯酶，造成神經(jīng)中樞蓄積大量乙酰膽堿酯酶，從而引起中毒.嚴(yán)重者甚至可能引起死亡。 (3)長期低劑量的有機(jī)磷農(nóng)藥不僅可使人慢性中毒并可能對人體產(chǎn)生致*、致畸等危害。 (二)磷對海洋生物的危害海洋生物大多對有機(jī)磷農(nóng)藥十分敏感，一些耐***昆蟲毫無反應(yīng)的農(nóng)藥濃度，很快能夠使海洋生物致死。上海銷售總磷分析儀貨源充足</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽優(yōu)良總磷分析儀推薦廠家,總磷分析儀" src="http://tyunfile.71360.com/UploadFile/boqu123/637066417500742188/5477270.jpg"></div><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><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波長下均有比較大吸收度。 ***(H2SO4，A.R）ρ=1.84 (1+1)***：?。?.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。此溶液儲于棕色的試劑瓶中，在冷處可穩(wěn)定幾周。如不變色可長時(shí)間使用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽優(yōu)良總磷分析儀推薦廠家,總磷分析儀" src="http://tyunfile.71360.com/UploadFile/boqu123/637066545116464843/8095071.png"></div><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，用鉬酸銨分光光度測定總磷的方法?？偭装ㄈ芙獾摹㈩w粒的、有機(jī)的和無機(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，測定上限為0.6mg/L。在酸性條件下，砷、鉻、硫干擾測定。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，立即被抗壞血酸還原，生成藍(lán)色的絡(luò)合物。上海銷售總磷分析儀貨源充足</p><p style="text-indent:25px">安徽優(yōu)良總磷分析儀推薦廠家</p><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。磷酸鹽會干擾水廠中的混凝過程。水體中的磷是藻類生長需要的一種關(guān)鍵元素，過量磷是造成水體污穢異臭，使湖泊發(fā)生富營養(yǎng)化和海灣出現(xiàn) 赤潮的主要原因。我國地面水環(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養(yǎng)素，是飼料的構(gòu)成成分，是動物必需的常量礦物元素?？偭资欠从筹暳现辛缀克降闹笜?biāo)。對單胃動物來說，總磷中含有的植酸磷是其所不能利用的，飼料總可以被動物利用的部分稱為有效磷。對反芻動物來說，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物的營養(yǎng)需要量來設(shè)計(jì)配方。安徽優(yōu)良總磷分析儀推薦廠家</p><p style="text-indent:25px">　　上海博取環(huán)境技術(shù)有限公司是國內(nèi)大型的水質(zhì)分析儀器、自動化儀器儀表專業(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，得到廣大用戶的一致好評!!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/2806904.html</p></div></div></div></div></div><div id="3gxu8y2" class="page-right twoColRt"><div id="kjqspwy" class="box01 margin10 clearfix"><h3><a 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