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Whatman Qualitative Filter Papers, Grade 1 Circles, 55 Mm, 100/pk

SKU: MDX-WTM-1001-055
Unit Price
US$ 28.50 
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US$ 28.50 
US$ 28.331%
US$ 28.231%
Extra qty discount
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List Price:
US$ 19.49
Per item savings:
US$ -9.01
Total savings:
US$ -9.01

Description of the Whatman Qualitative Filter Papers, 100/pk Grade 1 circles, 55 mm

Whatman Qualitative Filter Papers:

  • The most widely used filter paper for routine applications with medium retention and flow rate. 

  • Extended range of sizes includes 10 to 500 mm diameter circles and 460 x 570 mm sheets. 

  • This filter is also available in the FilterCup, this is a convenient, disposable 70 mm filter funnel with a 250 ml capacity molded from polypropylene with an integral, heat bonded filter (catalog number 1600-001).

  • This grade covers a wide range of laboratory applications and is frequently used for clarifying liquids. 

  • Traditionally the grade is used in qualitative analytical separations for precipitates such as lead sulfate, calcium oxalate (hot), and calcium carbonate.

  • In agriculture, it is used for soil analysis and seed testing procedures. In the food industry, Grade 1 is used for numerous routine techniques to separate solid foodstuffs from associated liquid or extracting liquid and is widely used in education for teaching simple qualitative analytical separations.

  • In air pollution monitoring, using circles or rolls, atmospheric dust is collected from airflow and the stain-intensity measured photometrically. For gas detection, the paper is impregnated with a chromogenic reagent and color formation quantified by optical reflectance.

Typical Properties:

  • Description: Medium Flow.

  • Particle Retention in Liquid (µm): 11.

  • Filtration Speed (approx.) herzberg (s): 150.

  • Air Flow (s/100 ml/in2): 10.5.

  • Typical Thickness (µm): 180.

  • Basis Weight (g/m2): 88.

With one of the largest catalogs of medical, surgical and diagnostic supplies available online, Medex Supply can accommodate your facility's needs for Laboratory Supplies.
Filter Paper can be found in our extensive online collection of products from globally recognized and trusted brands, including Whatman. An excellent option to consider is the Qualitative Filter Papers, 100/pk.

  • 100/Pk
Shipping specs
Shipping weight
2.00 Lbs
Shipping from
This product is shipped from our warehouse in Passaic, NJ , US
Our guarantee
This product is brand new and includes the manufacturer's warranty, so you can buy with confidence.

Return policy
The merchandise to be returned must be unused and in 100% restockable condition (in its original packaging with all applicable components included).

A 25% Handling Charge is levied against all authorized returns except those due to our error. Unauthorized returns are subject to a 40% Handling Charge. With the exception of a delivery error or defective item, the customer is responsible for the cost of return shipping. Original shipping fees are not refundable. Damages & defects must be reported to us within 7 days.

The following items are not eligible for return or exchange:
  • Drugs and medications
  • Hygienic items (masks, gloves, face shields, toilet accessories, pillows, commodes, braces, etc)
  • Custom-made products, including narcotics cabinets and exam room furniture
  • Items with expiration dates (i.e. diabetic test strips, sterile wipes)
  • Items that are classified as hazardous material
  • Oversized item that ship via freight
  • Refrigerated items
If your item isn't working properly, please check the product manual. You can usually find troubleshooting and "getting started" information there. However, if troubleshooting doesn't work, please send us an e-mail with your order number and a description of the defective item. We will do our best to assist you.
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