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4-丁氧基苯基甲醇
硫乙醇酸盐流体培养基(药典)
PE中17项重金属成分分析标准物质
气相毛细管柱 optima 5-ms
Lower part of ejector Transferpette? electronic 20 - 200 μl
BAGS, LDPE, TRANSPARENT, SELF-SEALING AND WHITE MARKING AREA, THICKNESS 0,05MM, WIDTH: 280 MM, L
PTFE Stirrer Bar, Octahedral, Yellow,13 x 8mm
(一恒) DZF-6021真空干燥箱(微电脑控制带定时) 内胆尺寸W×D×H(mm):300×300×275
SS packed column; 10% UC-W982 on Chromosorb W AW DMCS
Research plus 8-channel 10-100ul移液器;eppendorf 8道可调量程,适配200ul吸头