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Polyacrylamide, cationic polyacrylamide, anionic polyacrylamide, n

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Huaming introduces you to the characteristics and uses of acrylamide

价格 9800.00元/吨
total supply
30000 吨
MOQ
1 吨
brand
华明
area
HenanZhengzhou City
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Shipped within 3 days from the date of payment by the buyer
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area:Henan Zhengzhou City

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Henan Huaming Water Treatment Materials Co

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Product Details
PH值:
7-14
执行标准:
GB17514-2008
CAS:
9003-05-8
 根据对世界上17个国家丙烯酰胺摄入量的评估结果显示,一般人群平均摄入量为0.3-2.0 μg/kg bw/天,90-97.5百分位数的高消费人群其摄入量为 0.6-3.5 μg/kg bw/天,99百分位数的高消费人群其摄入量为 5.1 μg/kg bw/天。按体重计,儿童丙烯酰胺的摄入量为成人的2-3倍。其中丙烯酰胺主要来源的食品为炸土豆条16-30%,炸土豆片6-46%,咖啡13-39%,饼干10-20%,面包10-30%,其余均小于10%。JECFA根据各国的摄入量,认为人类的平均摄入量大致为1 μg/kg bw/天,而高消费者大致为4μg/kg bw/天,包括儿童。由于我国尚缺少足够数量的各类食品中丙烯酰胺含量数据,以及这些食品的摄入量数据;因此,还不能确定我国人群的暴露水平。但由于食品中以油炸薯类食品、咖啡食品和烘烤谷类食品中的丙烯酰胺含量较高,而这些食品在我国人群中的摄入水平应该不高于其他国家,因此,我国人群丙烯酰胺的摄入水平应不高于JECFA评估的一般人群的摄入水平。
丙烯酰胺是一种有毒单体,人体或者动物吸收后会出现神经中毒的症状,也会让人出现嗜睡、幻觉和震颤等症状,情绪与记忆改变,并伴随末梢神经病(如出汗和肌肉无力)。
据科学研究公布,油炸食物中含有丙烯酰胺。食物越薄,它在油炸时接受的温度就越高;温度越高,产生的有害物质就越多。比如炸油条加热时油温超过180℃就可以了;但更薄一些的炸薯条、炸 薯片等,油温需要超过200℃,因此会产生更多的丙烯酰胺。如此比较而言,煎饼果子中的油条就比薄脆安全,炸馒头片就比又薄又脆的千层饼安全。除了这些食品,被白领喜爱的一些小点心,如薄脆饼干、曲奇也会对健康造成一定的危害。
聚丙烯酰胺是由含大于50%丙烯酰胺am单体结构单元的聚合物,聚丙烯酰胺本身无毒,聚丙烯酰胺工业产品中残留的丙烯酰胺含量,一般为0.5%---0.05%。一般净化水处理时,丙烯酰胺含量0.2%以下,用于直接饮用水处理时,需在0.05%以下。



公司名称:河南华明水处理材料有限公司
手机:13803828338  15538055888
电话:0371-68399388
传真:0371-64121788
联系人:赵经理
网址:http://www.huamingjs.com/聚丙烯酰胺
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