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2-氯乙醛缩二甲醇
甲醇中三溴甲烷溶液标准物质
SEPTUM SI/PTFE 22MM 5P.
苄基二苯基膦
5ml透明容量瓶,高硼硅3.3
Bond Elut PPL小柱
实验室剪刀
ROLLED NECK BOTTLES 40 ML, CLEAR GLASS, HEIGHT: 80 X 30 MM, NECK DIA. 22 MM, PACK = 100 PIECES
LiChroCART 125-4,LiChrospher 100 NH2 10μm定制柱
TAPS FOR BOTTLES; FOR 5 611 001/.002 CLEAR GLASS