物料
circles
cotton filters (high-quality cotton linters)
包装
pack of 100
制造商/商品名称
Whatman 1452-240
Whatman Article No. 28418105 (US reference)
参数
235 sec/100 mL speed (Herzberg)
7 psi wet burst
直径
240 mm
厚度
175 μm
灰分
≤0.015%
孔径
7 μm (Particle retention)
基本重量
101 g/m2
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一般描述
Cytiva′s Whatman Grade 52 is a general-purpose filter paper for quantitative analysis in Büchner funnel and other vacuum filtrations. The acid-hardened surface and low ash content enable efficient precipitate recovery. Cytiva′s business offers three grades of hardened low ash filter paper. All three are designed for use in Hirsch and Büchner funnel applications and can be customized for an exact fit.
Büchner funnel vacuum filtration
The quality of analysis resulting from vacuum filtration using a Hirsch or Büchner funnel relies on using a high-quality filter that avoids introducing artifacts into measurement. Cytiva′s Grade 52 hardened filter paper is acid-treated to prevent fiber shredding during vacuum filtration or precipitate collection.
Büchner funnel vacuum filtration
The quality of analysis resulting from vacuum filtration using a Hirsch or Büchner funnel relies on using a high-quality filter that avoids introducing artifacts into measurement. Cytiva′s Grade 52 hardened filter paper is acid-treated to prevent fiber shredding during vacuum filtration or precipitate collection.
特点和优势
- 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
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