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Diamonsil Silica 10μm 250 x 21.2mm
食品中18种邻苯二甲酸酯类物质混标(GB 5009.271-2016)
2ml圆底塑料离心管
3,5-二氯-4-氰基吡啶
TUBES, THREADED, STRAIGHT, GL 25, ISO-SCREW- THREAD, 22 X 110 X 2,5 MM, ACC. TO DIN 12216, HEAVY WALL
3-溴-2-氟苯甲酸
2ml胖肚移液管
NOT LONGER AVAILABLE !
BOTTLES,PFA,NARROW NECK, HIGH RESISTANCE BOTH TO HEAT + CHEMICALS ATTACKS, 500 ML, WITH SPECIAL DE
Suction bulb, PVC, size 2, for 25 ml pipettes, with hole ? 6 mm, bulb ? 42 mm