Grade 4 qualitative filter papers, Whatman™

供应商: CYTIVA WHATMAN
1004-042 1004-047 1004-055 1004-070 1004-090 1004-110 1004-125 1004-150 1004-185 1004-240 1004-270 1004-320 1004-400 1004-917 1004-930 1004-027 1004-050 1004-648 1004-041
WHAT1004-042EA 0 CNY
WHAT1004-042 WHAT1004-047 WHAT1004-055 WHAT1004-070 WHAT1004-090 WHAT1004-110 WHAT1004-125 WHAT1004-150 WHAT1004-185 WHAT1004-240 WHAT1004-270 WHAT1004-320 WHAT1004-400 WHAT1004-917 WHAT1004-930 WHAT1004-027 WHAT1004-050 WHAT1004-648 WHAT1004-041
Grade 4 qualitative filter papers, Whatman™
过滤器 滤纸 Qualitative Filter Paper
Whatman Grade 4 Qualitative Filter Papers are a standard grade, high flow rate filter paper. They are useful in qualitative analytical separations when fast flow is required and the collection of fine particles is not critical.

  • 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

These cellulose filters are used in qualitative analytical techniques to determine and identify materials (e.g., in air pollution monitoring).

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.
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