CSC Scientific Blog

A blog about test equipment

CSC Scientific Blog

Sieving - An Ancient Technique Still Widely Used

Posted by Art Gatenby on Aug 4, 2016 3:01:17 PM

We recently redesigned our E-commerce site. The redesign proceeded without a hitch, until we got to the sieves. 

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Topics: Particle Size Analysis, Sieves, Sieving Process

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

When is a Sieve Not a Sieve?

Posted by Amanda Ranowsky on Jul 17, 2014 5:00:00 AM

In our business, we use the word “sieve” to describe a piece of equipment that separates desired elements from unwanted material using a woven wire screen or mesh net. To others, “sieve” can mean something very different.

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Topics: ASTM, Particle Size Analysis, Sieve Calibration, Sieve Certification, Sieves, Sieving Process

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

Sieve Calibration Is the Holy Grail !

Posted by Art Gatenby on Sep 11, 2012 1:11:00 PM

Yes Harry, there is a Santa Clause. Or, more specifically, there really is a Holy Grail for ensuring consistent particle size analysis. 

If you’ve been following along, you know it was proven by Pequeño and his family of 150 micron particles who tried to bust our friend Harry’s quality control by attempting to slip through the mesh in Harry’s test sieves and defeat sieve certification.

(If you missed this drama, check out previous posts in the Holy Grail series.)

Now that we have indeed confirmed that, yes, sieve calibration really is the Holy Grail that sieve testers have been looking for, let’s get to work and dive a little deeper. Let’s examine some methods of sieve calibration.

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

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