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10% 1,2-二(膦酰基)苯-己烷溶液
N-(o-Methoxyphenyl)maleamic Acid
BOATS, WITH TAIL AND HOLE, MADE OF ALUMINA
9种元素混标(砷,镉,钴,铬,铜,镍,铅,锑,锡)
源加热丝
圆玻璃片
乙二醇叔丁醚
锑(Sb)ICP-MS标准溶液,1000mg/L±2%溶于5% HNO3+ 0.1% HF
(双槽)薄层色谱展开缸
LIDS, FLAT FLANGE, WITH CENTER NECK GL 25 AND 1 ANGLED NECK GL 18 15° DN 150