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BETABASIC PHENYL 5UM 250X2.1MM COLUMN
Levo大容量手动移液器
3,4-二氨基苯甲腈
香叶醇
原甲酸三甲酯
SPHERICAL JOINTS, CUP, INCHES SIZE, KS 19/7, DURAN
Reaction vessel 100 ml, DN 60, flat bottom, with graduation, flat flange, flange with groove, cylindrical, borosilicate glass, O. ? 65 mm, height 80 mm
岛津宝石柱塞杆
STIRRER, PP, FLEXIBLE BLADES, 60 MM
异丁醛-2,4-二硝基苯腙 标准品
