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钯ICP-MS标样,100 μg/Ml溶于10%盐酸
HYPERSIL SILICA 10UM 250X4.6MM COLUMN
4-氨基-2-甲基苯甲酸
1-萘异硫氰酸酯
喹啉-N-氧化物
2-甲氧基-4-溴苯甲酸
STOPCOCKS, SCHIFF, HOLLOW ST-PLUG, ACC. TO DIN 12545, HIGH VACUUM, BORE: 6,3 MM, ST 21,5 / 13 X 1
Process Chemistry, NPT Compression Fitting, Screw, Metric,NPT Size ?”, Bore Size 19mm
不锈钢可换针头,6个/包(RN),250uL
3-二甲氨基苯硼酸盐酸盐(含有不等量酸酐)