物料
cellulose filters
circles
包装
pack of 100
制造商/商品名称
Whatman 1004-240
Whatman Article No. 28414017 (US reference)
参数
0.22 psi wet burst
37 sec/100 mL speed (Herzberg)
直径
240 mm
厚度
205 μm
灰分
≤0.06%
孔径
20-25 μm (Particle retention)
基本重量
92 g/m2
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相关类别
一般描述
Whatman Grade 4 Qualitative Filter Papers are a standard grade, high flow rate filter paper.
Excellent retention: captures coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide. Fast filtration: useful for routine clean-up of biological fluids or organic extracts during analysis
Grade 4 Qualitative Filter Papers (20-25 µm particle retention) are available in a variety of sizes and formats including circles, sheets, and rolls. They are also available as prepleated filters, which give improved flow rate and increased loading capacity compared to equivalent flat filters.
Excellent retention: captures coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide. Fast filtration: useful for routine clean-up of biological fluids or organic extracts during analysis
Grade 4 Qualitative Filter Papers (20-25 µm particle retention) are available in a variety of sizes and formats including circles, sheets, and rolls. They are also available as prepleated filters, which give improved flow rate and increased loading capacity compared to equivalent flat filters.
特点和优势
- Useful in qualitative analytical separations when Fast flow is required and the collection of fine particles is not critical.
- These cellulose filters are used in qualitative analytical techniques to determine and identify materials (e.g., in air pollution monitoring).
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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