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class="d-none d-md-block"> <div id="dllvhdt" class="wrapper">  <style> .img{ text-align: center !important; } #showContxt img{ text-align: center !important; } </style> <div id="9xbrtf1" class="content w1200 showNews"> <h1 class="title">甲醛污染知識普及</h1> <div id="fjpd9v5" class="mark"><span>發(fā)布日期：2023-04-01</span>　<span>瀏覽次數：<i id="hits">285</i></span></div> <div id="bhrdl5l" class="showContxt" id="showContxt">  <p style="text-align: left;">甲醛，又稱(chēng)蟻醛，化學(xué)分子式為HCHO。甲醛是一種無(wú)色、具有強烈刺激性氣味的氣體，是易揮發(fā)性有機物。</p><p style="text-align: left;"> 甲醛的分子量為30.03，甲醛液體相對于水的密度為0.815(-20~(2)，熔點(diǎn)-92~C，沸點(diǎn)-19.5~C，易溶于水和醇醚?？諝庵袣怏w的相對密度為1.067，略重于空氣。</p><p style="text-align: left;"> 甲醛在常溫下是氣態(tài)，通常以水溶液形式出現。水溶液的含量高可達55％，40％的甲醛水溶液稱(chēng)為福爾馬林。</p><p style="text-align: left;"> 甲醛是一種來(lái)源廣泛的空氣污染物,自然界中的甲醛是甲烷循環(huán)中的一個(gè)中間產(chǎn)物。背景值一般小于0.03mg/m3,城市空氣中甲醛年平均濃度約為0.005～0.001mg/m3。</p><p style="text-align: left;"> 甲醛是一種重要的化學(xué)原料，在塑料工業(yè)中用來(lái)生產(chǎn)酚醛樹(shù)脂、脲醛塑料，也用于合成纖維尼綸(聚乙烯醇縮甲醛)；在皮革工業(yè)、醫藥、染料等生產(chǎn)中也有廣泛的應用；農業(yè)上可用來(lái)浸種，給種子消毒。</p><p style="text-align: left;">甲醛可以直接用作消毒、殺菌、防腐劑，也用于有機合成、合成材料、涂料、橡膠、農藥等行業(yè)。</p><p style="text-align: left;"> 因此說(shuō)甲醛是一種用途廣泛、生產(chǎn)工藝簡(jiǎn)單、原料供應充足的大眾化工產(chǎn)品。特別是由于人工板材和建筑裝飾材料的巨大市場(chǎng)需求，造就了甲醛的巨大市場(chǎng)需求。由于甲醛廣泛用于粘合劑生產(chǎn)，這種大舉進(jìn)入民用產(chǎn)品的勢頭，已經(jīng)使得甲醛無(wú)處不在。</p><p style="text-align: left;"><br></p><p style="text-align: left;"> 研究表明：甲醛為較高毒性的物質(zhì)，甲醛中毒對人體健康的影響主要表現在嗅覺(jué)異常、刺激、過(guò)敏、肺功能異常、肝功能異常和免疫功能異常等方面，具有強烈的促癌和致癌作用.已經(jīng)被世界衛生組織確定為致癌和致畸形物質(zhì),是公認的變態(tài)反應源，也是潛在的強致突變物之一。</p>   <br />    <div id="z5bnnzd" class="reLink clearfix"> <div id="ttdtlxl" class="prevLink fl">上一篇：<a href="http://www.yihengdianqi.com/index.php/plugin/cms/ctr/article/operat/view/uuid/WSMF8W76T8HuyU9muTpZluD25tqMjFmS.html">室內環(huán)境甲醛超標，已經(jīng)深度危及家人健康</a> </div> <div id="9vhvdrd" class="nextLink fr">下一篇：<a 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甲醛是一種來(lái)源廣泛的空氣污染物,自然界中的甲醛是甲烷循環(huán)中的一個(gè)中間產(chǎn)物。背景值一般小于0.03mg/m3,城市空氣中甲醛年平均濃度約為0.005～0.001mg/m3。</p><p style="text-align: left;"> 甲醛是一種重要的化學(xué)原料，在塑料工業(yè)中用來(lái)生產(chǎn)酚醛樹(shù)脂、脲醛塑料，也用于合成纖維尼綸(聚乙烯醇縮甲醛)；在皮革工業(yè)、醫藥、染料等生產(chǎn)中也有廣泛的應用；農業(yè)上可用來(lái)浸種，給種子消毒。</p><p style="text-align: left;">甲醛可以直接用作消毒、殺菌、防腐劑，也用于有機合成、合成材料、涂料、橡膠、農藥等行業(yè)。</p><p style="text-align: left;"> 因此說(shuō)甲醛是一種用途廣泛、生產(chǎn)工藝簡(jiǎn)單、原料供應充足的大眾化工產(chǎn)品。特別是由于人工板材和建筑裝飾材料的巨大市場(chǎng)需求，造就了甲醛的巨大市場(chǎng)需求。由于甲醛廣泛用于粘合劑生產(chǎn)，這種大舉進(jìn)入民用產(chǎn)品的勢頭，已經(jīng)使得甲醛無(wú)處不在。</p><p style="text-align: left;"><br></p><p style="text-align: left;"> 研究表明：甲醛為較高毒性的物質(zhì)，甲醛中毒對人體健康的影響主要表現在嗅覺(jué)異常、刺激、過(guò)敏、肺功能異常、肝功能異常和免疫功能異常等方面，具有強烈的促癌和致癌作用.已經(jīng)被世界衛生組織確定為致癌和致畸形物質(zhì),是公認的變態(tài)反應源，也是潛在的強致突變物之一。</p></div>  <div id="bffxlvz" class="tit-list">上一頁(yè)：<a 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