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๐Ÿ“ whatman 1442 090 quantitative circles diameter: reliable measurement solution logo

๐Ÿ“ Whatman 1442 090 Quantitative Circles Diameter: Reliable Measurement Solution Review

3

ยท

Very good

Revainrating 4.5 out of 5ย ย 
Ratingย 
4.5
๐Ÿงช Lab Filters, โš™๏ธ Filtration

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Description of ๐Ÿ“ Whatman 1442 090 Quantitative Circles Diameter: Reliable Measurement Solution

Diameter: 9.0cm. Retention: 2.5ฮผm. A world standard for critical gravimetric analysis. A Whatman cellulose filter is manufactured from high quality cotton linters treated to achieve a minimum alpha cellulose content of 98%. Typical analytical precipitates include barium sulphate, metastannic acid and finely precipitated calcium carbonate.

Reviews

Global ratings 3
  • 5
    2
  • 4
    1
  • 3
    0
  • 2
    0
  • 1
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Type of review

Revainrating 4 out of 5

Efficient Filtration for Accurate Results

This lab filter provides accurate and reliable filtration for our industrial and scientific needs. Our results have improved since switching to this product. The circles are easy to handle and the porosity is consistent. However, the cost is slightly higher than some other options on the market.

Pros
  • Accurate measurement of particulate matter due to standardized size and shape of circles.
Cons
  • Potential difficulty in handling and transferring circles due to their small size.

Revainrating 5 out of 5

Excellent for Buchner solids recovery

Solid and filtered solids are separated immediately upon completion, in most cases without disposal. This really helps prevent fine paper fibers from getting into the sample.

Pros
  • Typical analytical precipitates are barium sulphate, metastannic acid and finely precipitated calcium carbonate
Cons
  • Older model

Revainrating 5 out of 5

Excellent for solids recovery at Bรผchner

Heavy and filtered particles are removed immediately upon completion, in most cases without disposal. This really helps prevent fine paper fibers from getting into the sample.

Pros
  • Industrial & Scientific
Cons
  • flimsy