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href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="lpwykme" class="twoCol"><div id="tnaxuwd" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxhxp/">精細(xì)化學(xué)品</a>?<a href="http://www.cdcfah.com/cp/second-jxhxp_sclhxpim/">水處理化學(xué)品</a>?<a href="http://www.cdcfah.com/cp/third-sclhxpim_xiaopaojipy/">消泡劑</a>?上?？偟到饩N價(jià)格歡迎來電普羅生物技術(shù)供應(yīng)</p><div id="p7cy7bi" class="leftbox clearfix"><h1>上海總氮降解菌種價(jià)格歡迎來電普羅生物技術(shù)供應(yīng)</h1><div id="7dtvs3p" class="proBig"><div id="wnzbikm" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shplsw/637360428664130860/2447815.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8p32ed7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shplsw/637360428664130860/2447815.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="foli7j7" 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>上?？偟到饩N價(jià)格,總氮</p><p><span>***更新：</span>2021-01-12 01:14:16</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="cgdahyv" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">普羅生物技術(shù)（上海）有限公司</a></p><p><span>聯(lián)系人：</span>楊明浩</p><p><span>郵箱: </span>yminghao@bhnchina.com</p><p><span>電話: </span>18221034638</p><p><span>傳真: </span>021_68917228</p><p><span>網(wǎng)址: </span>https://www.probiotic.com.cn</p><p><span>手機(jī): </span>021-68917101</p><p><span>地址: </span>上海市浦東新區(qū)金港路211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="n3r2npr" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="vuryahe" class="box"><p><p style="text-indent:25px">堿性過硫酸鉀紫外分光光度法（HJ 636-2012）原理：在120℃～124℃堿性介質(zhì)中，加入過硫酸鉀氧化劑，將水樣中氨、銨鹽、亞硝酸鹽以及大部分有機(jī)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。試劑：本標(biāo)準(zhǔn)所用試劑，除特別注明，均為符合國家標(biāo)準(zhǔn)的分析純化學(xué)試劑；實(shí)驗(yàn)用水為無氨水或新制備的去離子水，上海總氮降解菌種價(jià)格。無氨水的制備：將一般去離子水用硫酸酸化至pH<2 后進(jìn)行蒸餾，棄去較初100ml 餾出液，上?？偟到饩N價(jià)格，收集后面足夠的餾出液，上?？偟到饩N價(jià)格，密封保存在聚乙烯容器中。水中的總氮含量是衡量水質(zhì)的重要指標(biāo)之一。上海總氮降解菌種價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上?？偟到饩N價(jià)格,總氮" src="https://tyunfile.71360.com/UploadFile/shplsw/637360428664130860/2447815.png"></div><p style="text-indent:25px">如何可以解決總氮超標(biāo)問題？在某些不利的條件下，反硝化菌受到抑制，導(dǎo)致排放水體中硝酸鹽/亞硝酸鹽過高，出水亞硝酸鹽和硝酸鹽濃度超標(biāo)會(huì)直接導(dǎo)致出水總氮超標(biāo)。在此情況下，倍活®反硝化菌MicroPlex-DEN是從大自然中篩選出的反硝化菌種、酶制劑和營養(yǎng)物質(zhì)專業(yè)配比組成，通常用于缺氧池等缺氧區(qū)域，能夠提高系統(tǒng)的反硝化能力，增加亞硝酸鹽/硝酸鹽的去除能力，在反硝化菌的作用下，產(chǎn)生氮?dú)馀欧胖量諝庵?，以解決總氮超標(biāo)問題。上?？偟到饩N價(jià)格有機(jī)氮是反映水中蛋白質(zhì)、氨基酸、尿素等含氮有機(jī)化合物總量的一個(gè)水質(zhì)指標(biāo)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上?？偟到饩N價(jià)格,總氮" src="https://tyunfile.71360.com/UploadFile/shplsw/637360428898583985/4412710.png"></div><p style="text-indent:25px">總氮，簡稱為TN，水中的總氮含量是衡量水質(zhì)的重要指標(biāo)之一?？偟亩x是水中各種形態(tài)無機(jī)和有機(jī)氮的總量。包括NO3-、NO2-和NH4+等無機(jī)氮和蛋白質(zhì)、氨基酸和有機(jī)胺等有機(jī)氮，以每升水含氮毫克數(shù)計(jì)算。常被用來表示水體受營養(yǎng)物質(zhì)污染的程度?？偟獪y定方法（1）堿性過硫酸鉀消解紫外分光光度法。（2）氣相分子吸收光譜法。水中的總氮含量是衡量水質(zhì)的重要指標(biāo)之一。其測定有助于評(píng)價(jià)水體被污染和自凈狀況。地表水中氮、磷物質(zhì)超標(biāo)時(shí)，微生物大量繁殖，浮游生物生長旺盛，出現(xiàn)富營養(yǎng)化狀態(tài)。</p><p style="text-indent:25px">在生物脫氮中，主要是指硝酸根離子通過反硝化細(xì)菌降解轉(zhuǎn)化為氮?dú)獾倪^程。在傳統(tǒng)的生化方法中，需要極大地占地面積，而且由于微生物密度低，微生物脫氮效率很低，而且出水不清澈，有懸浮物，不耐毒性物質(zhì)。一種高效反硝化生物濾池裝置，經(jīng)過特殊結(jié)構(gòu)設(shè)計(jì)的高效反硝化生物濾池，專為工業(yè)廢水處理研發(fā)，適應(yīng)工業(yè)廢水高鹽分、高毒性、高硝氮、波動(dòng)大的水質(zhì)特點(diǎn)。該技術(shù)具有以下特點(diǎn)：脫氮效率高——正常運(yùn)行脫氮負(fù)荷2kg N/m3·d，出水總氮穩(wěn)定達(dá)標(biāo)。占地面積小——10t/h的處理量，降低20mg/L總氮，占地面積僅3㎡。易操作維護(hù)——全自動(dòng)控制，無需更換填料，反沖洗水量少、頻率低。污泥產(chǎn)量少——反沖洗排出的少量微生物回流至生化池繼續(xù)分解。運(yùn)行成本低——去除20 mg/L的總氮，噸水成本約0.7元。在反硝化過程即可采用強(qiáng)化HDN高效脫氮設(shè)備，通過對(duì)填料、結(jié)構(gòu)、布水的優(yōu)化，實(shí)現(xiàn)廢水中總氮的去除。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上?？偟到饩N價(jià)格,總氮" src="https://tyunfile.71360.com/UploadFile/shplsw/637360428648828125/3660935.png"></div><p style="text-indent:25px">水質(zhì)總氮的測定方法主要有：1.堿性過硫酸鉀紫外分光光度法（HJ 636-2012）。2.氣相分子吸收光譜法：在規(guī)定的分析條件下，將待測成分轉(zhuǎn)變成氣態(tài)分子載入測量系統(tǒng)，測定其對(duì)特征光譜吸收的方法。該方法主要應(yīng)用于實(shí)驗(yàn)室。3.也有采用氨氮、硝酸根、亞硝酸根分別進(jìn)行測量，然后將結(jié)果累加值作為總氮的測量結(jié)果。在環(huán)境地表水、水質(zhì)監(jiān)測領(lǐng)域，堿性過硫酸鉀紫外分光光度法以及優(yōu)化方法是當(dāng)前的主要方法。檢測范圍：1.HJ 636-2012本標(biāo)準(zhǔn)適用于地表水、水庫、湖泊、江河水中總氮的測定。檢出限0.050mg/L，測定0.200mg/L，測定上限100mg/L。新開發(fā)的IDN-BMP總氮處理富增集成裝備工藝，對(duì)于硝態(tài)氮廢水有良好的處理效果。上?？偟到饩N價(jià)格</p><p style="text-indent:25px">總氮常被用來表示水體受營養(yǎng)物質(zhì)污染的程度。上?？偟到饩N價(jià)格</p><p style="text-indent:25px">水質(zhì)總氮的測定所需要的化學(xué)試劑：1、堿性過硫酸鉀溶液：稱取40g 過硫酸鉀（K2S2O8）及15g 氫氧化鈉（NaOH），溶解于水中，加水稀釋至1000ml，存放于聚乙烯瓶中，可使用一周。 2、鹽酸：C(HCl)=5mol/L，優(yōu)級(jí)純。3、三氯化鈦：15% 原液，化學(xué)純。 4、無水高氯酸鎂（Mg(ClO4)2）：8～10 目顆粒。 5、硝酸鹽氮標(biāo)準(zhǔn)貯備液（1.00mg/ml）：稱取預(yù)先在105～110℃干燥2h 的優(yōu)級(jí)純硝酸鈉（NaNO3）3.034g，溶解于水，移入500ml 容量瓶中，加水稀釋至標(biāo)線，搖勻。 6、硝酸鹽氮標(biāo)準(zhǔn)使用液(10.00μg/ml)：吸取硝酸鹽氮標(biāo)準(zhǔn)貯備液，用水逐級(jí)稀釋而成。上?？偟到饩N價(jià)格</p></p><br /><p>文章來源地址: 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