物料
cellulose filters
circles
包装
pack of 100
制造商/商品名称
Whatman 1214-150
Whatman Article No. 28417929 (US reference)
参数
38 sec/100 mL speed (Herzberg)
8.9 psi wet burst
直径
150 mm
厚度
190 μm
灰分
≤0.06%
孔径
25 μm (Particle retention)
基本重量
77 g/m2
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相关类别
一般描述
Time-saving Whatman qualitative grades are offered in folded (prepleated) form, which gives major advantages over flat circles:
Grade 114V: 25 μm (fast, smooth filter paper)
Strong filter with very fast flow rate. Ideal for coarse particles and gelantanious precipitates. Smooth surface.
- Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses
- Decreased overall filtration time because of the extra surface area exposed; the normal slow down of filtration speed due to the loading of particulate is postponed
- Increased total loading capacity as more filter area is available
- Maintained flow rate due to the reduction in filter paper contact with funnel side and, the self-supporting shape of the filter itself
- The prepleating does not significantly affect any of the technical data and the same figures may be used for the flat circles
Grade 114V: 25 μm (fast, smooth filter paper)
Strong filter with very fast flow rate. Ideal for coarse particles and gelantanious precipitates. Smooth surface.
特点和优势
- Nominal particle retention rating of 25 µm
- Fast filtration (Herzberg 38 s)
- Chemically stable resin provides increased wet-strength
- Fluted (pre-pleated) filter sheet for ease-of-use and compatibility with conical funnels
- Smooth filter surface for efficient recovery of precipitates
其他说明
Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.
法律信息
Whatman is a registered trademark of Cytiva
法规信息
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