Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Vapor pressure
Patent
1985-06-21
1986-12-09
Tokar, Michael J.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Vapor pressure
73 54, G01N 3328
Patent
active
046272747
ABSTRACT:
Electric heating means is arranged in the bottom portion of one case body, and an air bath tank and a sample heating tank, communicating with each other, are formed within this case body. The temperature of air in the air bath tank is maintained at a predetermined level by a temperature detecting element and a temperature controlling device. A filter paper is held in the air bath tank by supporting means at a position above the heating means spaced by a predetermined distance from the heating means. A heavy oil sample heated at a predetermined temperature for a predetermined time in the sample heating tank is dropped on the filter paper and the filter paper is dried for a predetermined time. The stability of the heavy oil is evaluated based on the state of spreading of the dropped heavy oil on the filter paper.
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Standard Test Method for "Compatibility of Fuel Oil Blends by Spot Test", Designation: D 2781-82, pp. 675-677.
Nisseki Technical Review 1983, vol. 25/No. 5, pp. 22-28.
Nagasawa Takao
Uchida Satoru
Nippon Oil Company Limited
Tokar Michael J.
Williams Hezron E.
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