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1-丁基-3-甲基咪唑辛硫酸盐
安全标签-甲苯,规格130mm*35mm,10张/片
DOUBLE SPATULAS MADE OF STAINLESS STEEL ANTI-MAGNETIC, 180 MM LONG
岛津柱塞杆密封圈,PE材质 ,适用仪器型号: LC-20ADXR,LC-10ADvp
Hamilton 1700系列(1701N)25ul气密进样针
3-氟-4-硝基苯酚
250ml梨形瓶,符合DIN 12328,ST 19/26,85×145mm
气相色谱柱,TG-1301MS 15m x 0.25mm x 1μm
RUBBER RING WITH RIM, OUTER DIA. SIZE TOP 46 MM, O.D. SIZE BOTTOM 29 MM, I.D. S.BOT. 22 MM, HEIGHT
二氟乙酸乙酯