Methods for Testing Petroleum Products Volume 275-299

Methods for Testing Petroleum Products Volume 275-299

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 edition. Excerpt: ... made at each temperature reading which is a multiple of 5 F. Application of the test flame shall be made by operating the device controlling the shutter and test flame burner so that the flame is lowered in one-half second, left in its lowered position for one second, and quickly raised to its high position. Stirring shall be discontinued during the application of the test flame. 4. The flash point is taken as the temperature read on the thermometer at the time of the flame application that causes a distinct flash in the interior of the cup. The true flash must not be confused with the bluish halo that sometimes surrounds the test flame for the applications preceding the one that causes the actual flash. 5. The barometric pressure shall be observed and recorded. No corrections shall be made except in case of dispute, when the flashpoint figure shall be corrected according to the following rule: For each inch (25 mm.) below 29.92 inches (760 mm.) barometric reading add 1.6 F. to the flash point. For each inch (25 mm.) above 29.92 inches (760 mm.) barometric reading subtract 1.6 F. from the flash point. METHOD 110.3--OPEN CUP FLASH AND FIRE TEST. A. S. T. M. Method D92-21T. 1. The open cup flash and fire test on all petroleum products except fuel oils and those having an open cup flash below 175 F. shall be determined in the Cleveland open cup. APPARATUS. 2. The flash cup proper shall be made of brass and shall have the following dimensions: Specifications of fash cup. following The cup shall be heated by contact with a metal plate J inch (0.635 cm.) thick and 6 inches (15.24 cm.) wide. (The plate may be of any suitable metal and may be either circular or square.) In the center of the plate there shall be a plane depression-fa inch ( more

Product details

  • Paperback | 26 pages
  • 189 x 246 x 1mm | 68g
  • United States
  • English
  • black & white illustrations
  • 1236747267
  • 9781236747266