柠檬酸三钠等对三聚氰胺诱导的草酸钙晶体的影响:《环境科技》2010年S1期

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|v,I.Q&m|[0柠檬酸三钠等对三聚氰胺诱导的草酸钙晶体的影响

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T7hB8hw)A7~0【摘要】:在二维凝胶圆盘体系中,研究了添加不同浓度的柠檬酸三钠、酒石酸钾钠等对含有三聚氰胺诱导的草酸钙晶体形成的影响,同时利用带数码相机的生物学显微镜和XRD等测试手段对样品进行表征。结果表明:体系中有2×10-5mol/L的三聚氰胺存在时,晶体主要以不规则多边形和圆形形式存在,而在柠檬酸三钠、酒石酸钾钠等的浓度条件为0.01mol/L和0.1mol/L时,大大降低尿结石中主要成分COM的比例,在加上述物质的凝胶体系中的晶体除乙二胺四乙酸二钠未出现待测组分外,其余都出现了待测组分,COM,COD的晶型。加入柠檬酸三钠、酒石酸钾钠、乙二胺四乙酸二钠时,待测组分和COM的所占下降很多,主要以COD和COT晶型存在。另外,这些未知组分的出现,对我们研究其促进尿结石的形成有很大的启示。水利论文3X/x[7ayR2g.q I#v

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【作者单位】:

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"E5T0Hxx-z&T R0宿州市环境保护监测站;宿州学院;

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[ {(t-oOM0三聚氰胺 二维凝胶体系 草酸钙 柠檬酸盐

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【分类号】:R691.4水利论文[.N+b]uP+^ B a

&yaE(Oy0【正文快照】:水利论文3x"u;C vXC

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0引言三聚氰胺是一种含氮有机化工原料,广泛用于涂料、塑料、纺织、造纸等工业生产中[1]。自2008年9月以来,我国等陆续出现了多起因食用受三聚氰胺污染的婴幼儿奶粉导致泌尿系统结石的发生的事件,严重危害了婴幼儿的身体健康,重症患儿甚至发生急性肾衰竭而导致死亡。国家有关

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