污好色先生视频下载 grade 113/30μm湿性定性滤纸

Grade 113: 30μm Ultra high loading capacity 
with a particle retention making it ideal for use with coarse or gelatinous 
precipitates. Fastest flow rate of the qualitative grades. Creped surface. 
Thickest filter paper in the Whatman range. This filter is also available in the 
Whatman FilterCup. This is a convenient, disposable 70mm filter funnel with a 
250mL capacity moulded from polypropylene with an integral, heat bonded 
filter.污好色先生视频下载 grade 113/30μm湿性定性滤纸

GE Whatman滤纸滤膜产品一级代 理(一),其余目录见下方

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