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
TARGET POLYSPRING玻璃内插管,300ul, 100/包
500型阴离子捕获柱-高容量9X75MM
Ammonium Phosphate Matrix Modifier 100mL
Acclaim PA2 5um 分析柱 (4.6 x 150mm)
Septa for 40ML precleaned vial 72 PK
Oil Std. Yttrium Conc.1000 μg/g 50 g
10ml样品瓶套装-ASAP自动进样器专用,100只/盒
三相指示剂
Lead DSC Calibration Reference Materials