推荐产品
材料
circles
cotton filters (high-quality cotton linters)
包裝
pack of 100
製造商/商標名
Whatman 1452-090
Whatman Article No. 28418101 (US reference)
參數
235 sec/100 mL speed (Herzberg)
7 psi wet burst
直徑
90 mm
厚度
175 μm
灰分
≤0.015%
孔徑
7 μm (Particle retention)
基重
101 g/m2
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一般說明
The maximum ash content of these filter paper grades is intermediate between ashless and qualitative grades. They are particularly suitable for Büchner filtrations where it is desirable to recover the precipitate from the filter surface after filtration. Other characteristics include high wet strength and chemical resistance which are similar to the acid hardened ashless filter papers.
Grade 52: 7 μm (medium filter paper)
The general purpose hardened filter paper with medium retention and flow rate. Very hard surface.
Grade 52: 7 μm (medium filter paper)
The general purpose hardened filter paper with medium retention and flow rate. Very hard surface.
特點和優勢
- Manufactured from high-quality cotton linters and treated to remove trace metals
- High wet-strength and chemical resistance
- Nominal particle retention of 7 µm
- Medium flow rate (Herzberg filtration speed 235 s)
- High purity (0.015% ash maximum)
- Compatible with Hirsch or Büchner funnel applications
其他說明
Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.
法律資訊
Whatman is a registered trademark of Cytiva
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