بخش 2.page-8.1

2-4 ASTM D3461, Test Method for Softening Point of Asphalt and Pitch (Mettler Cup and Ball Method)
2-5 ASTM E1, Specification for ASTM Liquid-in-Glass Thermometers
2-6 ASTM E177, Practice for Use of the Terms Precision and Bias in ASTM Test Methods
2-7 ASTM E691, Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method