ASTM D1278-91a(2020) PDF

Scope: 1.1 These test methods cover the sampling and chemical analysis of solid natural rubber in the forms supplied to the rubber industry. 1.2 The analytical procedures appear in the following order: Sections Sampling 5 Volatile Matter 6 – 8 Dirt 9 – 13 Ash 14 – 17 Copper (Referee Colorimetric Method) 18 – 22 Copper (Alternative Colorimetric Method) 23 – 27 Copper (Alternative Flame Atomic Absorption Method) 28 Manganese (Colorimetric Method) 29 – 33 Manganese (Alternative Flame Atomic Absorption Method) 34 Iron (Colorimetric Method) 35 – 39 Acetone Extract 40 – 41 Rubber Hydrocarbon 42 – 43 Nitrogen 44 – 45 1.3 The values stated in SI units are to be regarded as the standard. The values in parentheses are 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM D1278-91a(2020) Referenced Document

ASTM D1193 Standard Specification for Reagent Water
ASTM D1485 Standard Test Methods for Rubber from Natural Sources-Sampling and Sample Preparation
ASTM D297 Standard Test Methods for Rubber Products-Chemical Analysis
ASTM D3533 Standard Test Method for Rubber8212;Nitrogen Content
ASTM D4004 Standard Test Methods for Rubber8212;Determination of Metal Content by Flame Atomic Absorption (AAS) Analysis
ASTM D4483 Standard Practice for Determining Precision for Test Method Standards in the Rubber and Carbon Black Industries
ASTM E11 Standard Specification for Wire Cloth and Sieves for Testing Purposes
ASTM E131 Standard Definitions of Terms and Symbols Relating to Molecular Spectroscopy

2020 ASTM D1278-91a(2020) Standard Test Methods for Rubber from Natural Sources—Chemical Analysis
1991 ASTM D1278-91a(2015) Standard Test Methods for Rubber from Natural Sources&x2014;Chemical Analysis
1991 ASTM D1278-91a(2011) Standard Test Methods for Rubber from Natural Sourcesmdash;Chemical Analysis
1991 ASTM D1278-91a(2007) Standard Test Methods for Rubber from Natural Sources8212;Chemical Analysis
1991 ASTM D1278-91a(2002)e1 Standard Test Methods for Rubber from Natural Sources-Chemical Analysis
1991 ASTM D1278-91a(2002) Standard Test Methods for Rubber from Natural Sources-Chemical Analysis
1997 ASTM D1278-91a(1997)e1 Standard Test Methods for Rubber from Natural Sources-Chemical Analysis