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次甲基绿
对羟基苯乙酸
ASTM-THERMOMETER (SOLID STEM ) WITH CELSIUS-SCALE RANGE, YELLOW ENAMELLED ASTM TYPE: HIGH SOFTENIN
气相色谱柱,TG-WAXMS 30m x 0.53mm x 0.50μm
4-甲基-3-硝基苯硼酸
多孔性硅藻土小柱
AUTOSAMPLER VIALS, THREADED, BOROS.GLASS, 4 ML, 45 X 15 MM, CAP SIZE N-13, AMBER GLASS, WITHOUT CA
月桂酸
2mL预组装螺纹口样品瓶,带酚醛树脂顶部开口瓶盖
SYLICON CONICAL STOPPER - 9x6 mm, h 18 mm