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甲醇中丙溴磷溶液标准物质
STIRRING THERMOMETER, SOLID STEM, -10/+150:1 G.C, OD. 6/7 MM X 260 MM
ProElut BaP 22g / 60mL 10/pk
ISOPLAN-SAFETY DISCS, 19 MM BORE, (RESISTANT UP TO 750°C)
ZORBAX Eclipse Plus PAH保护柱
(7201)Hf铪标液
STOPCOCK KEYS THREADED, SBW GLASS, GROUND, BORE 4 MM, NS 18.8
4-溴二苯胺
甲醇中灭菌唑
PRECISION SET THERMOMETERS,ANSCHüTZ +150 +200 °C:0,1, O.D.6 MM, 175 MM
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