V-21 磨损金属标准,500 μg/g 烃油 100 g N9308310
V-21 Wear Metal Std. Conc.500 μg/g 100g
商家询价 上海希言科学仪器有限公司
10MM TARGET 隔垫 聚四氟乙烯/硅树脂,100/包
Quartz Packed Injector Liner
RP 柱1CC ,12只/袋
Ceramic Ball
Organic Drain Tubing 1FT/0.35M
ACQUITY UPLC Col. In-Line Filter Kit [205000343]
PTFE Membrane Pkg. 50
2mL 螺口样品瓶, 9mm 瓶盖, 硅树脂/PTFE ,100/包
氧化铝样品