硅胶,Silica gel;high-purity grade, pore size 60 Å, 70-230 mesh
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石油醚,Petroleum benzine;boiling range to about 40°C EMPLURA® -
红霉素,Erythromycin;BioReagent, suitable for cell culture, ≥850 μg per mg -
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硅,Silicon;wafer, <111>, P-type, contains boron as dopant, diam. × thickness 2 in. × 0.3 mm
