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气进样针
3,4-二氟苯磺酰氯
Research plus单道可调量程移液器
Toxaphene Parlar-No.32;1ug/ml, 环己烷溶液 标准品
泵配件
三丁基甲基碘化膦
Macro rectangular cells, 1750 μl, path length 5 mm, applicable wavelength 220-2500 nm, 45 x 12,5 x 7,5 mm, with 2 polished windows, UV-quartz-glass with PTFE lid
乙酰乙酸甲酯
VIGREUX COLUMN,DURAN
Steel Capillary 1/32 In/0.25 mm 30 cm