SKU: 79351992279

Cytiva Whatman™ Quantitative Ashless, Grade 42 Circles

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Description

Cytiva Whatman™ Quantitative Ashless, Grade 42 CirclesWith the finest retention of all Cytiva Whatman ashless filter paper grades, Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis. Whatman ashless Grade 42 quantitative filter papers are suitable for a wide range of critical analytical filtration procedures for quantitative analysis. Grade 42 filter papers have the finest retention of all Whatman ashless filter paper grades. Grade 42 is designed for

With the finest retention of all Cytiva Whatman ashless filter paper grades, Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis.

Whatman ashless Grade 42 quantitative filter papers are suitable for a wide range of critical analytical filtration procedures for quantitative analysis. Grade 42 filter papers have the finest retention of all Whatman ashless filter paper grades. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis.

  • Ashless: 0.007% ash maximum
  • Fine (2.5 μm) nominal particle retention rating, eliminate large particles that might otherwise interfere with sensitive instrumentation
  • Herzberg filtration speed of 1870 s
  • Commonly used as a calcium carbonate filter
  • Particularly suitable for gravimetric analysis

What are Whatman ashless quantitative filter papers?

Whatman ashless quantitative filter papers are high-purity filters that support accurate analysis in applications sensitive to very low levels of background contamination and in gravimetric analysis where ash content might affect weight measurements of combusted samples. Cytiva's high-purity Whatman ashless filter papers are suited for:

  • Environmental analysis: soil filtration analysis, when separating solid matter from aqueous extracts
  • Retention of small particles
  • Collection of trace elements and radionuclides from the atmosphere
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 79351992279

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4.6 ★★★★★
Based on 12 reviews
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B
Verified Purchase
Barrett
Fort Morgan, US
★★★★★ 5
Yessssss 🩷🩷🩷🩷🩷
Size: 9, Color: Light Brown, Size: 9, Color: Light Brown
These things are SO comfortable! I feel like I’m walking on clouds 🩷 I ordered this tan and a black pair and I’m glad I did! I wish more colors were available in my size but apparently I got the memo late 😒. I usually wear a size 8 1/2 women and I ordered a 9 based on reviews with photos. The 9 fits wonderfully, my fat feet have room to spread when I’m walking and they provide adequate arch support. The color is as pictured, the shoe itself is cute, and I am able to walk normally without any discomfort…. If you are thinking about it, go ahead and get them girl they feel like heaven. Just order a half size bigger.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
A
Verified Purchase
Ashley Rogers
Alexandria, US
★★★★★ 5
Love these shoes!
UGG dupes! These are amazing! I love how comfortable these are. I have worn these quite a few times now with no issue. Definitely worth the price! I have seen a couple of complaints about the durability of these, but at the selling price I would gladly repurchase these over paying for the UGG brand. They fit TTS. I will definitely be ordering these in the lighter color!
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Reviewed in the United States on April 23, 2026
B
Verified Purchase
Brianna
Louisville, US
★★★★★ 5
Sooo cute and comfortable!
I have two pairs of these sandals in pink and a cream color and they are sooo freaking comfortable! I have sciatic nerve pain so my leg gets fatigued fairly quickly from standing but I find these shoes allow me to stand longer and more comfortably. I’m hoping they’ll have the black sandals in an 11 back in stock soon because I want those as well 😆 If you’re looking for cute and functional footwear for the summer you can’t go wrong with these.
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Reviewed in the United States on May 20, 2026
S
Verified Purchase
Sarah
Fort Morgan, US
★★★★★ 1
Not it.
Size: 10, Color: Nude, Size: 10, Color: Nude
I ordered these and was highly disappointed. The first pair I got, the velcro pieces were coming off. The threading was either coming undone or just wasnt there. On both shoes. I sent them back, had them send me a new pair, hoping it was just a fluke, cause those do happen. The next pair was better, but the corners on the velcro pads were still coming up, and i just didnt trust it to stay together. I sent them back and got a refund. As for fit, the first pair fit great, my foot was a little to skinny I think, or the straps were too loose even pulled as tight as they could go while still being able to connect the velcro pieces. It was something I could have probably worked with, they looked cute still and I still wanted to love them. The second pair, however, straps were still too loose. That didnt change. However, I got the same size, but this pair, my toes were too long for. Like, they were up on the little toe ledge thats supposed to frame your foot. That was uncomfortable. So I feel like the sizing was inconsistent. Another reason I opted to send them back for a refund. The shoes are cute, and i usually dont have issues with this brand. I have a couple pairs of boots from them that I absolutely love. But these sandals were a huge disappointment, unfortunately.
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Reviewed in the United States on May 29, 2026
C
Verified Purchase
Cadence Haase
Lake Worth, US
★★★★★ 4
Comfy but run large!
Runs large IMO. I originally ordered a 7 and they were much too big and the straps were way too long. I ended up returning them and ordering a 6.5, and I love them. They are SO comfy and they go with just about everything. I will say the top strap gets smudged easily, but I’ve just been wiping them with a wet cloth and the smudges are gone.
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Reviewed in the United States on July 14, 2025

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