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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="dxjhnb5" class="twoCol"><div id="lntzfj5" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_huagong/">化工</a>?<a href="http://www.cdcfah.com/cp/second-huagong_wujiyan/">無(wú)機(jī)鹽</a>?<a href="http://www.cdcfah.com/cp/third-wujiyan_qtwjy/">其他無(wú)機(jī)鹽</a>?山東大顆粒工業(yè)鹽銷售公司淮安市井沅科技供應(yīng)</p><div id="9lbxlbz" class="leftbox clearfix"><h1>山東大顆粒工業(yè)鹽銷售公司淮安市井沅科技供應(yīng)</h1><div id="ftjzfjf" class="proBig"><div id="7lbhvrp" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hajykj/637457885251061384/9909983.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="brpdbh5" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hajykj/637457885251061384/9909983.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="f9txfdj" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>山東大顆粒工業(yè)鹽銷售公司,工業(yè)鹽</p><p><span>***更新：</span>2021-01-25 00:29:01</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="f9d9rxv" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">淮安市井沅科技有限公司</a></p><p><span>聯(lián)系人：</span>王經(jīng)理</p><p><span>郵箱: </span>jingyuan@163.com</p><p><span>電話: </span>13615144280</p><p><span>傳真: </span>0517_89336179</p><p><span>網(wǎng)址: </span>http://jsjykeji.com</p><p><span>手機(jī): </span>0517-89333691</p><p><span>地址: </span>趙集工業(yè)集中區(qū)</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="nndt9nr" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="p7xdhn9" class="box"><p><p> 食鹽與工業(yè)鹽的區(qū)別 </p> <p> 1.結(jié)構(gòu)上：食鹽是較純凈的氯化鈉，氯化鈉的化學(xué)式是NaCl，式量58.44，由氯離子和鈉離子構(gòu)成。工業(yè)用鹽中除含有氯化鈉之外，還有超標(biāo)的亞硝酸鈉，其化學(xué)式是NaNO2，式量是69.00，由亞硝酸根離子和鈉離子構(gòu)成。 </p> <p> 2.性質(zhì)上：食鹽性質(zhì)較穩(wěn)定，水溶液呈中性。亞硝酸鈉在干燥條件下較為穩(wěn)定，但能緩慢吸收氧而氧化成硝酸鈉，水溶液呈堿性。 </p> <p> 3.外觀上：兩者都呈白色，特殊情況下食鹽也可能顯黃色或淡藍(lán)色，亞硝酸鈉也可能微顯淡黃色。兩者都呈晶體狀，在顯微鏡下幾何形體有一定的區(qū)別，但用肉眼是分辨不出的。 </p> <p> 4，山東大顆粒工業(yè)鹽銷售公司.溶解性：亞硝酸鈉和食鹽都易溶于水，山東大顆粒工業(yè)鹽銷售公司，易潮解，無(wú)臭味，山東大顆粒工業(yè)鹽銷售公司。 </p> <p> 5.味道：亞硝酸鈉略有咸味，食鹽咸味較重，食用時(shí)靠味覺(jué)難以分辨。 </p> <p> <br /> </p> <p> <br /> 正立方晶體或由多個(gè)正立方晶體組成的顆粒,按其使用分為日曬工業(yè)鹽、精制工業(yè)鹽。山東大顆粒工業(yè)鹽銷售公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東大顆粒工業(yè)鹽銷售公司,工業(yè)鹽" src="https://tyunfile.71360.com/UploadFile/hajykj/637457885251061384/9909983.png"></div><p> "工業(yè)鹽"這種提法不科學(xué)。在工業(yè)化時(shí)代之前，人們所說(shuō)的鹽，特指生活中調(diào)味用的食鹽，而不是現(xiàn)在化學(xué)科學(xué)中的"鹽"。然而現(xiàn)實(shí)生活中，相當(dāng)數(shù)量的人文化水平不太**不清生活中的"食鹽"和化學(xué)中的"鹽"實(shí)質(zhì)上的差別，以至發(fā)生多起誤食有毒鹽類，發(fā)生群體中毒的事件。生活中所說(shuō)的鹽，是指由海水、鹽池、鹽井和鹽礦中加工提取得到的，它的主要成分是氯化鈉(NaCl)，分別稱為海鹽、池鹽、井鹽和巖鹽。人類的過(guò)去和未來(lái)，都是依靠這幾種鹽來(lái)攝入我們需要的無(wú)機(jī)鹽類。隨著化學(xué)工業(yè)和化學(xué)科學(xué)的發(fā)展，"鹽"這一個(gè)字的含義早已較大擴(kuò)展。中學(xué)化學(xué)課本就講了，"鹽"是指由"金屬離子"(包括銨離子)和酸根離子所組成的化合物。它們種類繁多、性質(zhì)各異、外觀不同，用途大相徑庭。由于食鹽的重要性和**，歷代**對(duì)食鹽都采取專營(yíng)政策，所以有了"官鹽"和"私鹽"的區(qū)別。近年來(lái)，由于營(yíng)養(yǎng)衛(wèi)生的要求，在使用原鹽加工為精制鹽的過(guò)程中，添加了少量碘酸鉀(KIO3)等營(yíng)養(yǎng)物質(zhì)，因而就有了"合格"與"不合格"食鹽的區(qū)別。這幾種鹽的提法都是政策管理上的差異，而"鹽"的成分并無(wú)實(shí)質(zhì)上的差別。"私鹽"和沒(méi)有添加碘化鉀的"不合格鹽"，雖然違法確不會(huì)害命，并沒(méi)有"真鹽"和"假鹽"的分別。江蘇大顆粒工業(yè)鹽生產(chǎn)廠家工業(yè)用鹽中除含有氯化鈉之外，還有超標(biāo)的亞硝酸鈉，其化學(xué)式是NaNO2，由亞硝酸根離子和鈉離子構(gòu)成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東大顆粒工業(yè)鹽銷售公司,工業(yè)鹽" src="https://tyunfile.71360.com/UploadFile/hajykj/637457885246715664/7754637.png"></div><p> 工業(yè)鹽的用途有哪些 </p> <p> 除雪劑溶解水（雪）后，其冰度在零度以下下，如，氧氣化鈉（食用鹽關(guān)鍵成份）溶解水后冰度在-10℃，氯化鎂在-20℃上下，氯化鈣在-30℃上下，醋酸類達(dá)到-35℃上下。酸鹽的融解務(wù)必放熱以外，有一個(gè)成效就是說(shuō)鹽巴水的凝固點(diǎn)較低，故而在雪水中融解了鹽之后就無(wú)法再萌生冰塊兒。除此以外，雪融劑溶解水后，水里正離子濃度值升高，為超過(guò)涼水混合物固液蒸氣壓等的情況，冰便消融消融了。這一基本原理也可以十分好地表述了鹽巴水不由得易上凍的通途理。人們理解，水是這種獨(dú)特的化學(xué)事物，即上凍后相對(duì)密度縮小（通?；瘜W(xué)事物固態(tài)硬盤(pán)下的相對(duì)密度超過(guò)液體下的相對(duì)密度），故而，氣體壓強(qiáng)越大，冰的其溶點(diǎn)越低。常?？匆?jiàn)，車輪子碾過(guò)的地區(qū)雪故此易于融化就是說(shuō)這一通途理。降雪的地面上灑上除雪劑后，再經(jīng)車子的輾壓就容易使雪融化。 </p> <p> 撒鹽能夠減損水的溶點(diǎn)，換言之通常水在0度會(huì)上凍，可是撒了鹽的水需到零下溫度好若干度能夠上凍，故此能夠融雪化冰。 </p> <p> <br /> </p><p> 工業(yè)鹽在化學(xué)工業(yè)中的應(yīng)用 </p> <p> 鹽是化學(xué)工業(yè)之母?；瘜W(xué)工業(yè)是國(guó)民經(jīng)濟(jì)的基礎(chǔ)產(chǎn)業(yè)。三酸（硫酸、鹽酸、硝酸）、兩堿（純堿、燒堿）是基本的化學(xué)工業(yè)，而其中的鹽酸、純堿、燒堿是以鹽為主要原料生產(chǎn)的，每生產(chǎn)1噸純堿或燒堿要消耗1.2-1.4噸原鹽，全世界用于生產(chǎn)鈉堿、氯和氯的衍生物等80多種基本化工產(chǎn)品所用的鹽，占全世界總鹽耗量的60%以上，在工業(yè)發(fā)達(dá)國(guó)家，化工用鹽一般都占到總鹽耗量的90%以上。因此可以說(shuō)，國(guó)民經(jīng)濟(jì)的**發(fā)展，依賴于發(fā)達(dá)的化學(xué)工業(yè)，而發(fā)達(dá)的化學(xué)工業(yè)又依賴于發(fā)達(dá)的制鹽工業(yè)。工業(yè)鹽可能含有鉛、砷、鎘、汞、鋇等污染物，對(duì)人體健康有危害。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東大顆粒工業(yè)鹽銷售公司,工業(yè)鹽" src="https://tyunfile.71360.com/UploadFile/hajykj/637457885221500819/4091050.png"></div><p> “工業(yè)鹽”這種提法不科學(xué)。在工業(yè)化時(shí)代之前，人們所說(shuō)的鹽，特指生活中調(diào)味用的食鹽，而不是現(xiàn)在化學(xué)科學(xué)中的“鹽”。然而現(xiàn)實(shí)生活中，相當(dāng)數(shù)量的人文化水平不太**不清生活中的“食鹽”和化學(xué)中的“鹽”實(shí)質(zhì)上的差別，以至發(fā)生多起誤食有毒鹽類，發(fā)生群體中毒的事件。 </p> <p> 亞硝酸鹽還原性活潑，腌制肉類，哪怕是不新鮮的肉制品，也能肉色鮮艷，生活中部分不良無(wú)知商家用工業(yè)鹽腌制不新鮮肉制品，導(dǎo)致發(fā)生群體性亞硝酸鹽中毒事件，所以"工業(yè)鹽"通常習(xí)慣特指亞硝酸鹽。人體長(zhǎng)期攝入亞硝酸鹽也有增加*變風(fēng)險(xiǎn)，工業(yè)鹽嚴(yán)禁食用。 </p> <p> <br /> 正立方晶體或由多個(gè)正立方晶體組成顆粒,按其使用分為日曬工業(yè)鹽、精制工業(yè)鹽。山東大顆粒工業(yè)鹽銷售公司</p><p style="text-indent:25px">工業(yè)鹽也叫做“氯化鈉”，在工業(yè)上的用途很廣，是化學(xué)工業(yè)的**基本原料之一，被稱為“化學(xué)工業(yè)之母”。山東大顆粒工業(yè)鹽銷售公司</p><p style="text-indent:25px">“工業(yè)鹽”特有的名詞讓人感覺(jué)對(duì)人體健康威脅很大，但是否有毒有害應(yīng)該以科學(xué)的鑒定為準(zhǔn)，而非“工業(yè)鹽”還是“食用鹽”之類的名稱。根據(jù)工業(yè)鹽國(guó)家標(biāo)準(zhǔn)GB/T 5462-2003 以及食用鹽國(guó)家標(biāo)準(zhǔn)GB 5461-2000可以看出，食用鹽所規(guī)定指標(biāo)有物理指標(biāo)、化學(xué)指標(biāo)、衛(wèi)生指標(biāo)、碘酸鉀指標(biāo)、抗結(jié)劑指標(biāo)，工業(yè)鹽國(guó)標(biāo)*有化學(xué)指標(biāo)，但二者的感官指標(biāo)和主要理化指標(biāo)甚至數(shù)據(jù)要求都一樣。二者比較大的區(qū)別在于對(duì)雜質(zhì)的要求不同。工業(yè)鹽對(duì)雜質(zhì)包含：水分，水不溶物，鈣鎂離子，硫酸根離子。食鹽對(duì)雜質(zhì)要求增加了：氟，鋇，砷，鉛等對(duì)人體健康有影響的指標(biāo)。也就是說(shuō)，根據(jù)產(chǎn)品標(biāo)準(zhǔn)，工業(yè)鹽在出廠的時(shí)候，雜質(zhì)中幾個(gè)重金屬的指標(biāo)標(biāo)準(zhǔn)是不需檢測(cè)的。但是需要注意的是，工業(yè)鹽的成分和食用鹽的成分都是一致的，都是氯化鈉，本身不應(yīng)該含有亞硝酸鹽。易言之，含有亞硝酸鹽的工業(yè)鹽本身也是偽劣產(chǎn)品，而絕非工業(yè)鹽本身應(yīng)有之成分。山東大顆粒工業(yè)鹽銷售公司</p><p style="text-indent:25px">淮安市井沅科技有限公司主要經(jīng)營(yíng)范圍是化工，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下超細(xì)元明粉，工業(yè)鹽，高純度透明粉，淀粉替代劑深受客戶的喜愛(ài)。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于化工行業(yè)的發(fā)展?；窗簿淇萍急小翱蛻魹樽?、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br 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