定量滤纸1450-070 cytiva思拓凡whatman硬化低灰级GR50 ¥344.00 Whatman侧向流分析全血分离LF1 12MMX50M 滤血膜 8121-1250 ¥550.00 GF-75Advantec东洋玻璃纤维滤纸0.3um47mm ¥700.00 WhatmanAmersham NC膜0.1UM200MMx4M 10600005 ¥4050.00 微孔滤膜J050A047A日本Advantec 0.5um47mm疏水PTFE ¥3073.00 日本Advantec No.1640细微颗粒滤纸300mm ¥10.00