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Significance and Use
4.1 Measuring the total carbon content of feedstock oil is often a necessary component in calculations for carbon dioxide emissions, estimating yield of a process, or assessing product quality.
4.2 The carbon black industry measures carbon content of feedstock oils along with carbon content of carbon black products per Test Method D7633 for Carbon Black-Carbon Content in calculations to determine carbon dioxide emissions for compliance with governmental greenhouse-gas-reporting requirements.
1.1 This test method covers the instrumental determination of carbon content in samples of carbon black feedstock oils. Values obtained represent the total carbon content.
1.2 This test method is applicable to carbon black feedstock oils derived from petroleum, coal, and other sources which include fuel oils, residues, tars, pitches, reclaimed oils, and similar materials that are normally handled as liquids. This test method is applicable to products that typically contain 75 to 94 mass % carbon.
1.3 The results of these tests can be expressed as mass % carbon.
1.4 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.5 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D4057 Practice for Manual Sampling of Petroleum and Petroleum Products
D4177 Practice for Automatic Sampling of Petroleum and Petroleum Products
D4483 Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries
D7633 Test Method for Carbon Black--Carbon Content
ICS Number Code 75.080 (Petroleum products in general)
UNSPSC Code 12171603(Carbon black)