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advanced渗透压标准液
2-乙酰氨基-5-硝基噻唑
VISCOMETERS CANNON FENSKE, BS 188, IP 71, NR. 600, K. 20,0, RANGE cST : 4000 - 20000 MM2/S, FOR TRANSPARENT LIQUIDS, CALIBRATED
2-氨基-5-硝基二苯酮(硝西泮杂质)
FLASKS, ROUND BOTTOM, NARROW NECK, WITH RE-INFORCED RIM, DURAN
电极插座 (个)
BEAKERS, LOW FORM, MADE OF QUARZ-SILICA W.SPOUT, DIN 12332, 600 ML, 90 X 126 MM
PVC TUBING 4/6 2M
水质标样-异辛烷中O,P-DDT
溴氰虫酰胺标准品