SKU: 52682215782

Grade 540 Quantitative Filter Paper - 8µm, Medium Flow Rate

Sale price$71.49 Regular price$79.43
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Description

Grade 540 Quantitative Filter Paper - 8µm, Medium Flow RateCytiva's Whatman 1540 125 Grade 540 Quantitative Hardened Ashless Filter Paper 8m, Medium Flow Rate 100 Circles Cytiva's Whatman Grade 540 quantitative filter paper features high wet strength and chemical resistance. General purpose hardened ashless filter paper with medium retention and flow rate. Extremely pure and strong with a hard surface. High chemical resistance to strong acid and alkali. Frequently used in the gravimetric analysis of metals in

Cytiva's Whatman 1540-125 Grade 540 Quantitative Hardened Ashless Filter Paper - 8µm, Medium Flow Rate - 100 Circles


Cytiva's Whatman Grade 540 quantitative filter paper features high wet strength and chemical resistance. General purpose hardened ashless filter paper with medium retention and flow rate. Extremely pure and strong with a hard surface. High chemical resistance to strong acid and alkali. Frequently used in the gravimetric analysis of metals in acid/alkali solutions and in collecting hydroxides after precipitation by strong alkalis.

These filter papers are acid hardened, which reduces ash to an extremely low level. Their tough surfaces make them suitable for a wide range of critical analytical filtration operations. 

  • Grade: 540
  • Particle Retention: 8µm
  • Flow Rate: Medium
  • Filtration speed herzberg (s): 200
  • Ash Content: 0.006
  • Typical Thickness: 160µm
  • Basis Weight(g/m2): 88
  • Units: 100 Circles
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 52682215782

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4.2 ★★★★★
Based on 11 reviews
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Verified Purchase
Willy Bill
Port Orchard, US
★★★★★ 5
Great Filter
Size: (Pack of 1)
This fits fine. Just wish it was a little easier to change.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
E
Verified Purchase
em
Houston, US
★★★★★ 5
More power, slightly lower (8%) MPG.
Size: (Pack of 1)
Installed on a 2.0 liter Subaru Impreza. I drive up/down the I5 in california 3-4 times a year. For those that don't know there is about a 200 mile flat stretch where everyone runs at 75-85mph. With various filters (FRAM, BOSCH, Subaru OEM), I would consistently get 29.8 mpg. Once I installed the K&N, I could feel the car pulling with a bit more power, but I noticed that I was getting about 27.5 mpg. Totally worth it as the impreza is a little under powered and I don't drive many miles (6k/year) but if you are putting a lot of miles on your car, you may want to have more mpg.
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Reviewed in the United States on May 24, 2026
G
Verified Purchase
GregUPerkio
Louisville, US
★★★★★ 5
fits my 2013 chevy suburban 5.3 and appears to be high quality
Size: (Pack of 1)
fits my 2013 suburban perfectly. looks to be a well constructed unit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 29, 2026
G
Verified Purchase
Gahvno
Port Orchard, US
★★★★★ 5
Very good quality comparable to OEM at a much more reasonable price point.
Size: (Pack of 1)
Last December we bought our first new car in 21 years and the first thing I did is stock up on cabin and engine air filters. I've got nothing against dealership OEM parts and pieces but what I do have an issue with is the prices. Luckily, we all have a bit of control over access to OEM quality parts and pieces at significantly more reasonable prices via Amazon. This filter and it's matching cabin filter are excellent in value and take less than 5 minutes to replace. Compare that to paying the hourly rate at your dealer plus the dealership retail price and you'll do what I did and stock up on these two filters. Definitely recommended.
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Reviewed in the United States on September 25, 2025
L
Verified Purchase
Little Oak
West Palm Beach, US
★★★★★ 4
It will fit a 2022 Subaru Outback
Size: (Pack of 1)
Higher quality than OEM item fit and arrived on time. This was for a 2023 Subaru Outback
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Reviewed in the United States on September 15, 2025

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