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100 ng/μl 1,3-Dinitropyrene in Toluene标准品
甲醇中灭草松溶液
BP20 (Wax)气相毛细管柱
Permanent Film PP
Thermo Scientific™ C20612 1-己烷磺酸钠一水合物 100GR
BURETTES CLASS B, WITH SHORT LINE GRADUATION, WITH ST-GLASS 50 ML, CLEAR GLASS
ELECTRODE HOLDER
1-溴-2,3,4-三氟苯
戊基硫醚,>97.0%(GC)
橡胶锥形垫圈,EPDM,标称规格71mm