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Polaris C18-A 液相色谱柱
二硅化钽
3种元素标液(铋,铟,钪)
Hibar 250-4,6,Nucleosil 100 C18 3μm定制柱
LiChroCART 30-3,LiChroprep 60 Si 25-40μm定制柱
CONTACT THERMOMETERS, ADJUSTABLE WITH TURNING MAGNET, ADJUSTING AND READING SCALES, YELLOW ENAMELL
LiChroCART 250-3,Nucleosil 100 Si 10μm定制柱
气相色谱柱,TG-5MS AMINE 15m x 0.25mm x 0.50μm
吡氟禾草灵 标准品
Acetate Standard for IC,TraceCERT?, 1000 mg/L acet