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ASTM D93 for flash point by Pensky-Martens closed cup tester
Verification of apparatus performanceA4.1 Certified Reference Material (CRM) - CRM is a stable, pure (99 + more % purity) hydrocarbon or other stable petroleum product with a method-specific flash point established by a method-specific interlaboratory study following ASTM RR:D02-1007 guidelines11 or ...
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ASTM D93 for flash point by Pensky-Martens closed cup tester
Manufacturing standardization of thermometer and ferruleA2.1 The low-range thermometer, which conforms also to the specification for the cup thermometer in the tag closed tester (Test Method D 56) and which frequently is fitted with a metal ferrule intended to fit the collar on the cover of the tag flash ...
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ASTM D93 for flash point by Pensky-Martens closed cup tester
Apparatus specificationsA1.1 A typical assembly of the apparatus, gas heated, is shown in Fig. A1.1. The apparatus shall consist of a test cup, cover, and stove conforming to the following requirements:A1.1.1 Cup - The cup shall be of brass, or other nonrusting metal of equivalent heat conductivity, ...
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ASTM D93 for flash point by Pensky-Martens closed cup tester
Precision, calculation, and report for procedures A and B13. Calculation13.1 Observe and record the ambient barometric pressure (see Note 11) at the time of the test. When the pressure differs from 101.3 kPa (760 mm Hg), correct the flash point as follows:NOTE 11 - The barometric pressure used in this ...
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ASTM D93 for flash point by Pensky-Martens closed cup tester
Procedure B12. Procedure12.1 Manual Apparatus12.1.1 Ensure that the sample container is filled to the volume capacity requirement specified in 8.2. Fill the test cup with the test specimen to the filling mark inside of the test cup. The temperature of the test cup and test specimen shall be at least ...
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ASTM D93 for flash point by Pensky-Martens closed cup tester
Procedure A11. Procedure11.1 Manual Apparatus11.1.1 Ensure that the sample container is filled to the volume capacity requirement specified in 8.2. Fill the test cup with the test specimen to the filling mark inside of the test cup. The temperature of the test cup and test specimen shall be at least ...
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ASTM D93 for flash point by Pensky-Martens closed cup tester
9. Preparation of Apparatus9.1 Support the manual or automated apparatus on a level steady surface, such as a table.9.2 Tests are to be performed in a draft-free room or compartment. Tests made in a laboratory hood or in any location where drafts occur are not reliable.NOTE 7 - A shield, of the approximate ...
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ASTM D93 for flash point by Pensky-Martens closed cup tester
8. Sampling8.1 Obtain a sample in accordance with instructions given in Practices D 4057, D 4177, or E 300.8.2 At least 75 mL of sample is required for each test. Refer to Practice D 4057. When obtaining a sample of residual fuel oil, the sample container shall be from 85 to 95 % full. For other types ...
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ASTM D93 for flash point by Pensky-Martens closed cup tester
6. Apparatus6.1 Pensky-Martens Closed Cup Apparatus (manual) - This apparatus consists of the test cup, test cover and shutter, stirring device, heating source, ignition source device, air bath, and top plate described in detail in Annex A1. The assembled manual apparatus, test cup, test cup cover, and ...
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ASTM D93 for flash point by Pensky-Martens closed cup tester
5. Significance and Use5.1 The flash point temperature is one measure of the tendency of the test specimen to form a flammable mixture with air under controlled laboratory conditions. It is only one of a number of properties which must be considered in assessing the overall flammability hazard of a material.5.2 ...
