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物質
cellulose filters
circles
包装
pack of 100
メーカー／製品名
Whatman 1004-270
Whatman Article No. 28414018 (US reference)
パラメーター
0.22 psi wet burst
37 sec/100 mL speed (Herzberg)
直径
270 mm
厚さ
205 μm
灰
≤0.06%
ポアサイズ
20-25 μm (Particle retention)
坪量
92 g/m2
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詳細
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.
特徴および利点
- 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).
その他情報
使用分野：内部での研究目的のみ診断目的または転売目的では使用できません。
法的情報
Whatman is a registered trademark of Cytiva
試験成績書（COA）
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