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溴虫腈标准品
四种金属元素混标
Wash-Bottle, PE-LD, GL 32, wash-bottle cap, PP, Distilled Water, 1000 ml
BOTTLES, NARROW NECK, PP, CAPACITY: 20 ML, COMPLETE WITH SCREW CAP GL 14
喷壶,PE-HD材质,白色,850 ml
磨口垫片,PTFE材质,NS29/32,超薄
ASTM-THERMOMETER (SOLID STEM) WITH CELSIUS-SCALE RANGE, YELLOW ENAMELLED ASTM TAR ACIDS DISTILLATI
异丙醇, HPLC级, 99.5%
二烯丙基氨基甲酰氯
GL Inertsil ODS-4 液相柱