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BETABASIC PHENYL 3UM 50X4.6MM COLUMN
Macro rectangular cells, 17500 μl, path length 50 mm, applicable wavelength 220-3800 nm, 45 x 12,5 x 52,5 mm, with 2 polished windows, IR-quartz-glass with 2 PTFE stoppers
CNW 24-400 透明螺纹口60mL样品存储瓶(EPA样品瓶)(带书写)
甲醇中2-丁酮
HYPURITY C4 5UM 150X0.18MM KAPPA COLUMN
Bond Elut Plexa SPE小柱,500mg,6ml
磷酸根离子标液,PO4-3(NH4H2PO4),100mg/L溶于 H2O
60*300*0.2 尼龙膜 (包)
苯基硼酸-(2-甲基丙三酯基)-钾盐
进样针 10ul