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六氯铱(III)酸钾水合物
二丁氨腈
VITLAB piccolo 1, fixed volume, 250 μl
PYCNOMETER WITH THERMOMETER, 100 ML, WEIGHED OUT UP TO THE 2. DECIMAL PLACE, ACC. TO DIN 12 809
48位Chem Elut柱支架
HYPURITY ADVANCE 3UM 150X4MM COLUMN
(定制产品)17种元素ICP-MS混标,1000mg/L±0.5% 溶于10% HNO3
2-氟-4-羟基苯甲醛
LiChroCART 55-4,LiChrospher 100 DIOL 10μm定制柱
气进样针