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GC micropacked column for Valco Valve Oven, UltiMetal tubing, 38 mm coil, 6.56 feet (2 m) x 1/16 inch, 1 mm, MolSieve 13X packing, mesh size 80/100, preconditioned, coiled in 2 layers, with 50 cm x 1/16 inch, 0.75 mm welded ends 已有874关注该产品 GC/MS农药校验标样,100µg/L 3 x 1 mL,(敌敌畏,速灭磷,乙丁烯氟灵,氟乐灵,莠去津,甲基毒死蜱,七氯,马拉硫磷,狄氏剂,4,4’-DDE,环嗪酮,克螨特,灭蚁灵,氯苯嘧啶醇,蝇毒磷,醚菊酯,溴氰菊酯) 已有877关注该产品 |
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