MT 49 - Stability of tar and petroleum products - undiluted

 

Content Handbook F

 

Ouline of method

49.1 Tar oils - miscible and stock emulsion type

The sample is added to GB Standard Water, stirred, allowed to stand for 4 h and, after gentle stirring, poured through a sieve which is then examined for traces of separated oil.

49.2 Petroleum oil - miscible type