11 cm Lab Filter Paper, Standard Grades 1, 2, 4 – ZENPORE Fast, Medium, Slow Flow 110 mm (Bundle of 3 x 100 Discs)

Product details

• roduct details
• Product Dimensions ‏ : ‎ 4.45 x 4.45 x 2.36 inches; 10.41 Ounces
• Date First Available ‏ : ‎ December 1, 2019
• Manufacturer ‏ : ‎ Fluted Filter
• ASIN ‏ : ‎ B0819VKRJ5
• Country of Origin ‏ : ‎ China
• Best Sellers Rank: #111,996 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • #32 in Qualitative Lab Filter Paper

Product Description

GRADE 1, 2, 4 STANDARD Qualitative Filter Paper
Equivalent to Whatman grade 1, 2, 4, these laboratory filter paper are used for a broad range of filtration when you need to separate a solid or precipitate from the filtrate.
Made from high alpha-cellulose cotton, these standard lab filter are not intended for ashing.

APPLICATIONS
Depending on the grades, these filters have many applications, for example:

• science : From clean-up of insoluble liquids to routine clarification of suspension
• food : From solid foodstuffs separation and liquid extraction to fat content determination
• beverage : From filtration of musts, pulps and syrups to malt analysis
• agriculture : From soil pre-filtration to analysis
• environment : From monitoring of fast flowing exhausts to smoke pollutionCOARSE TO HIGH RETENTION
  Retains fine, medium and coarse precipitates depending on grade used, for example:
  • Grade 1 : Metal Sulfates (Pb, coarse form of Ba and Ca)
  • Grade 2 : Metal Sulfides (Cd, Ni, Zn, Fe, Pb, Mn, Ag, As)
  • Grade 4 : Metal hydroxides (Al, Cr, Fe, Mg) , Be Oxide
  • • paper : pure cotton cellulose
    • flow : slow, medium, fast
    • retention : 5~10, 10~15, 20~25 μm (fine, medium, coarse)
    • speed : 15~20 s (10ml DIN 53137)
    • size : ⌀ 110 mm
    • thickness : 140-160 μm
    • weight : 86 g/m²
    • ash : 0.1%
    • qty : 300 discsPLAIN-DISCS
      These Flat Discs are suitable for gravity and Buchner low suction vacuum filtration.
      The same affordable filters are also available funnel-ready prefolded or prepleated.EQUIVALENCE & SIZE
      See the cross-reference table and size diagrams in the photos to choose the appropriate reference and diameter of your circles.