ASTM D4312 Test Method for Toluene-Insoluble (TI) Content of Tar and Pitch (Short Method)
1. Scope
1.1 This test method covers the determination of toluene-insoluble matter (TI) in tar and pitch.

1.2 Since this test method is empirical, strict adherence to all details of the procedure is necessary.

1.3 The values stated in SI units are to be regarded as standard.
1.3.1 Exception - Other non-SI units are provided for information only.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 7.

2. Referenced Documents
2.1 ASTM Standards:
D95 Test Method for Water in Petroleum Products and Bituminous Materials by Distillation
D329 Specification for Acetone
D362 Specification for Industrial Grade Toluene (Withdrawn 1989)
D850 Test Method for Distillation of Industrial Aromatic Hydrocarbons and Related Materials
D4072 Test Method for Toluene-Insoluble (TI) Content of Tar and Pitch
D4296 Practice for Sampling Pitch
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves