8MM 聚四氟乙烯 隔垫 10MIL,1000/包
商家询价 上海希言科学仪器有限公司
1ml 进样针 RN 50mm GT Gauge 26, 边孔
Mixed Calibration Standard 500 mL
萃取池O型圈,50个/包
透明样品瓶 (单件) 4ML,13-425,15X45,100/包
Multi-Element Solution 5 125 mL
GC 自动进样器进样针, 10 μL, FN, GT, 50mm, 23, 锥形,1个
Graphite Ferrule 1/8" x 0.5 mm Pkg. 10
Magnesium Matrix Modifier 1% 100 mL
七种阴离子混标,50ML/瓶