滤膜0.45μm47mm 德国默克 PVDF, pore size 0.45 μm, filter diam. 47 mm, white plain sterile membranes for microbiological analysis

滤膜0.45μm/25mm 德国默克 MF-Millipore™, filter diam. 25 mm, hydrophilic, white

膜过滤系统(滤杯，配S-Pak滤膜) 德国默克 sample volume 250 mL, mixed cellulose esters (MCE), pore size 0.45 μm, filter diam. 47 mm, white filter, gridded filter

滤膜0.45 47mm绿色网格 德国默克 mixed cellulose esters (MCE), pore size 0.45 μm, filter diam. 47 mm, gridded green filter, suitable for bioburden testing, input: bottled water, beverage(s) 别名：半透膜, 膜滤器

德国默克 滤杯 sample volume 100 mL, mixed cellulose esters (MCE), pore size 0.45 μm, filter diam. 47 mm, white filter, gridded filter

紫红胆盐葡萄糖琼脂培养基 德国默克 acc. EP, USP, JP and ISO 21528, For the detection and enumeration of Enterobacteriaceae 别名:VRBG琼脂。紫红色胆汁葡萄糖琼脂。结晶紫中性红胆汁葡萄糖琼脂、VRBD-琼脂（结晶紫中性红胆汁葡萄糖琼脂）符合MOSSEL