六种阳离子混标,50ML/瓶
商家询价 上海希言科学仪器有限公司
Quartz Type A Nebulizer 0.5mL/min
AG11-HC 阴离子保护柱-高容量柱 ,2X50MM
COL-Bac ADV 1.30 m X 0.32 mm X 1.8 μm
AVCS蓝盖,预开口的PTFE/硅树脂隔垫,100/包
Ammonium Phosphate Matrix Modifier 100mL
Electrodeless Discharge Lamp Sys. 2 - Cd
Oil Std. Yttrium Conc.1000 μg/g 50 g
AG11-HC 阴离子保护柱-高容量柱 ,4X50MM
PE过滤器 DISS 70UM 100/包