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The Cleveland open-cup method is one of three main methods in chemistry for determining the flash point of a petroleum product using a Cleveland open-cup apparatus, also known as a Cleveland open-cup tester. [1] First, the test cup of the apparatus (usually brass) is filled to a certain level with a portion of the product.
The test methodology defines the apparatus required to carry out the measurement, key test parameters, the procedure for the operator or automated apparatus to follow, and the precision of the test method. Standard test methods are written and controlled by a number of national and international committees and organizations.
It is standardized as ASTM D93, EN ISO 2719 and IP 34 [1] The United States Environmental Protection Agency (EPA) has also published Method 1010A: Test Methods for Flash Point by Pensky-Martens Closed Cup Tester, part of Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, which references the ASTM standard series
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While teaching at both schools he became affiliated with the Sigma Pi chapters at each and was initiated into the organization. [5] He then became director of foreign languages for the Cleveland Public Schools in Ohio from 1918 to 1949. [3] Upon arriving in Cleveland he founded the Maison Française de Cleveland.
The 2025 Lamar Hunt U.S. Open Cup qualification will serve as local qualification for the 110th edition of the oldest soccer tournament in the United States. [1] The tournament proper will feature both professional and amateur teams in the United States soccer league system .
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A 1989 study on the ethical implications of teaching to the test identified a range of practices, from broad-based instruction on general objectives to direct use of test items in teaching. The study concluded that ethical boundaries lie between general instruction and the use of specific test formats or questions, suggesting that practices ...