CSC Scientific Blog

A blog about test equipment

CSC Scientific Blog

Is Test Sieve Certification All You Need?

Posted by Art Gatenby on Oct 29, 2015 1:45:10 PM

For several years, people in the test sieving business have been grousing about the difficulty of making sure that a test sieve certification is what they need. Anyone who is working with close tolerances in the smaller particle sizes, like 300 microns and smaller, have serious issues in matching results from test sieve to test sieve.

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Topics: Mid-Point Sieves, Calibration, Sieve Calibration, Sieve Certification, Sieve Testing, Sieves, Sieve Analysis

How Do You Analyze Small, Micron-Sized Particles?

Posted by Art Gatenby on Jan 30, 2014 2:00:00 PM

Sieve testing, as I have stated many times, is the Cinderella of particle size analysis because it delivers more value than expected from something that’s so easy to use and relatively inexpensive. However, the problem with standard sieving techniques using wire mesh sieves is that they begin to exhibit accuracy problems in the lower micron sizes.

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Topics: Sieve Shakers, "Ask Art", Sonic Sifter, Micron-Sized Particles, Particle Size Analysis, Sieve Testing, Sieving Process

The Curse of Particle Size Calculations

Posted by Art Gatenby on Dec 11, 2013 5:56:00 PM

Break the Curse of Particle Size Calculations.

Every now and then I’ve had to calculate the results of a sieve test: I’d get the sieves and sample loaded on the shaker,  run the shaker, then realize I’d have to start over because I forgot to get the empty weight of each sieve. Or I’d have to carefully brush out the sample onto a balance.

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Topics: Sieve Testing, Sieving Process, Sieve Analysis

Jim, the Secret Agent, and the Machine That Changed Everything

Posted by Amanda Ranowsky on Oct 29, 2013 12:03:00 PM

Chapter One:

 

Jim’s life was dull. So, so dull. He spent his days surrounded by piles of sieves – his glamorous job was to calculate the ratio of particles left in the sieves of each stack after a sample of his company’s product was run through the stack using a sieve shaker. It was a job much like the one his cousin Hiram had, although he seemed to remember hearing that Hiram had found an easier way to do it.  

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Topics: Particle Size Analysis, Sieve Testing, Sieve Analysis

What is The Function of a Sieve Shaker?

Posted by Art Gatenby on Oct 17, 2013 4:56:00 PM

 

Visitors to our web pages often arrive with the question, “What is the Function of a Sieve Shaker?

The simple answer is “to expose the particles in a sample to all the openings in each sieve in a stack”. A sieve stack is the result of fitting each sieve to be used in a given particle size analysis into the one above. The sieve with the largest mesh holes is at the top with each subsequent sieve of a tighter mesh size than the one above it.

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Topics: Sieve Shakers, "Ask Art", Sonic Sifter, Agglomeration, Particle Size Analysis, Sieve Testing, Sieves, Sieving Process, Sieve Analysis

Accurate QC with Sieve Testing - Hiram’s Story Chapter I

Posted by Art Gatenby on Apr 9, 2013 4:26:00 PM

Hiram is a Quality Control Supervisor of a plant manufacturing specialty pellets. This is about his struggle with particle-size sieve testing and results analysis.

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Topics: Sieve Testing, Sieves, Sieving Process

Accurate QC with Sieve Testing - Hiram’s Story Chapter II

Posted by Art Gatenby on Apr 9, 2013 4:24:00 PM

We are back with Hiram, the QC Supervisor in a specialty pellet plant. We pick up the story after the QC department was hit hard by the flu season.

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Topics: Particle Size Analysis, Sieve Testing, Sieves, Sieving Process, Sieve Analysis

Accurate QC with Sieve Testing - Hiram’s Story Chapter III

Posted by Art Gatenby on Apr 9, 2013 3:25:00 PM

As you may remember Hiram is the Quality Control supervisor of a  specialty pellet manufacturer. His problem is to find a way to get his sieve-testing results done with two shifts and a limited budget.

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Topics: Particle Size Analysis, Sieve Testing, Sieves, Sieve Analysis

Sieve Test Results Simplified

Posted by Art Gatenby on Feb 12, 2013 12:00:00 PM

The CSC Sieve Analyzer

The CSC Sieve Analyzer was designed to deliver a record of a sieve test results, eliminate operator error and significantly reduce the time to process and calculate these results.

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Topics: Sieve Testing, Sieves, Sieving Process, Sieve Analysis

Advances In Sieves: Sieves Able to Strip Molecules From Fluids

Posted by Art Gatenby on Nov 19, 2012 2:32:00 PM

Sieves make understanding the world around us not just possible, but also easier.

And with the advancement of sieves, not only are we able to separate dry particle, but also sift molecules from fluid as well. With molecular sieves developed by MIT, we can now strip a molecule’s individual parts gives us a better understanding of how things come together and work, such as diseases or even DNA. 

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Topics: Sieve Calibration, Sieve Certification, Sieve Testing, Sieves, Sieving Process

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