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MT 51 - Stability of undiluted tar -petroleum and petroleum oil products


Content Handbook F


Ouline of method

51.1 Miscible type

A sample is cooled to -5 ± 1°C for 48 h and is then examined for cloudiness. It is warmed to 0°C, poured rapidly into ice-cold, distilled water and stirred vigorously. After standing at room temperature for 4 h, it is then examined for oil.