氨基捕获柱3X30MM
商家询价 上海希言科学仪器有限公司
500型阴离子捕获柱-高容量9X75MM
Internal Standard Mix 125 mL
美国PE 水污染物标准品5% HNO3 125mL N9300211
Waste Pollutant Standards 15 Metal 125mL
COL-Bac ADV 1.30 m X 0.32 mm X 1.8 μm
TG-624SilMS GC Column,60m x 0.25mm x 1.4um
Lumina Hollow Cathode 2" Lamp - Te
NexION Instrument Filter (Back Right)
0.38 mm ID Orange/Green Flared Pkg. 12
透明的I-D SURESTOP套装,PTFE/硅树脂隔垫,100/包