{"id":4448,"date":"2014-11-13T10:00:35","date_gmt":"2014-11-13T16:00:35","guid":{"rendered":"https:\/\/www.coleparmer.com\/blog\/?p=4448"},"modified":"2023-01-11T01:11:07","modified_gmt":"2023-01-11T07:11:07","slug":"encore-tech-challenge-using-sieves-to-identify-mesh-range","status":"publish","type":"post","link":"https:\/\/www.coleparmer.com\/blog\/encore-tech-challenge-using-sieves-to-identify-mesh-range\/","title":{"rendered":"Encore Tech Challenge: Using Sieves to Identify Mesh Range"},"content":{"rendered":"

\"TECHCHALLENGE[1]\"<\/a>Pam runs Powder Inc\u2019s Research and Development lab. She is looking for sieves<\/a> to help identify the mesh range of their activated charcoal powder, as well as quantify (for quality reasons) the percentage that falls into each mesh size. They expect a range of 200 to 400 mesh. What would you suggest?<\/p>\n

\"Sieves\"<\/a>

Sieves<\/p><\/div>\n

A: The Cole-Parmer\u00ae<\/sup> sieve shaker<\/a> for 3\u2033 sieves and sieves<\/a><\/p>\n

B: Standard 12\u2033 testing sieves<\/a> in a range from 200 to 400 mesh<\/p>\n

C: Standard 8\u2033 testing sieves<\/a> in a range from 200 to 400 mesh<\/p>\n

D: A Ro-Tap\u00ae<\/sup> sieve shaker<\/a> with sieves<\/a><\/p>\n

Answers: <\/strong><\/p>\n

A: The Cole-Parmer\u00ae<\/sup> sieve shaker for 3\u2033 sieves and sieves. Correct<\/strong>! This economical shaker and selected sieves will separate into five mesh ranges. Plus, the uniform motion and digital timer provide reproducible results as compared to hand-sieving.<\/p>\n

B. Standard 12\u2033 Testing Sieves in a range from 200 to 400 mesh. Incorrect. Other more reproducible options are available.<\/p>\n

C: Standard 8\u2033 Testing Sieves in a range from 200 to 400 mesh. Incorrect. Other more reproducible options are available.<\/p>\n

D: A Ro-Tap\u00ae sieve shaker with sieves. Incorrect. Although this would provide reproducible results in the mesh range required, there is a more economical option for Pam\u2019s R&D testing needs.<\/p>\n

\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

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