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NTA
139-13-9
2年
优利科(上海)生命科学有限公司
2-8℃
详询
氨三乙酸 |
英文名称:NTA;Nitrilotriacetic acid;N,N-Bis(carboxymethyl)glycine;Tri(carboxymethyl)amine;Triglycine;α,α′,α″-Trimethylaminetricarboxylic acid;Chelaton I;Trilon A |
其他名称:氨基三乙酸;氮三乙酸;N,N-双(羧甲基)甘氨酸;三(羧甲基)胺;三甘氨酸;α,α′,α″-三甲基胺三羧酸;氨羧络合剂I;络合剂I;托立龙A;特里隆A;氮川三乙酸;次氮基三乙酸;次氨基三乙酸;N,N-二(羧甲基)甘氨酸;氮基三乙酸;氮川三乙酸氨羧络合剂I |
CAS号:139-13-9 |
C6H9NO6=191.14 |
级别:AR |
含量:≥98.5% |
氯化物:≤0.002% |
硫酸盐:≤0.002% |
灼烧残渣:≤0.1% |
铁:≤0.002% |
铜:≤0.0005% |
氨-水溶解试验:合格 |
性状(以下信息仅供参考):白色棱柱体结晶性粉末。能与多种金属离子形成络合物。溶于氨-水、氢氧化碱溶液,微溶于水(22.5℃时,1.28g溶于1L水),不溶于有机溶剂。饱和水溶液pH为2.3。熔点230~235℃(分解)(也有文献报道为241.5℃分解)。 |
用途:本品仅供科研,不得用于其它用途。(以下用途仅供参考)络合剂。测定多种阳离子(常用于钙、镁、铁等)。金属掩蔽剂。络合滴定钴、铜、钬、铌、镍、铅和稀土金属。彩电显影。 |
保存:RT |
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