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LiChroCART 250-4,LiChroprep 100 Si 25-40μm定制柱
Safety gas burner, with needle valve, equipped with bimetal-flame-magnet breech, air regulation and pilot flame, all gas, made of nickel-plated brass
CAPCELL PAK C18 MGⅡ (S-5) 3.0X50*
HYPERGEL OP50 5UM 300X7.7MM COLUMN
Chromabond XTR小柱, 70ml, 14.5g
ELECTRODES EQUIVALENT TO WTW PH ELECTRODES WITH GEL ELECTROLYTE SenTix HW
气相色谱柱,TG-35MS 30m x 0.32mm x 1μm
0.1%美兰牛乳培养基
乙醇中异戊醇溶液标准物质
噻吩-3-乙酸