1.1 This test method covers the analysis for commonly determined trace metals in test specimens of raw and calcined petroleum coke by inductively coupled plasma atomic emission spectroscopy.
1.2 Elements for which this test method is applicable are listed in Table 1. Detection limits, sensitivity, and optimum ranges of the metals will vary with the matrices and model of spectrometer.
1.3 This test method is applicable only to samples containing less than one mass percent ash.
1.4 Elements present at concentrations above the upper limit of the working ranges can be determined with additional, appropriate dilutions.
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.
1.6 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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