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This test method covers the determination of the total trace nitrogen (organic and inorganic) naturally found in liquid aromatic hydrocarbons, its derivatives and related chemicals.
Formerly under the jurisdiction of Committee D16 on Aromatic Hydrocarbons and Related Chemicals, this test method was withdrawn in January 2006. This standard is being withdrawn without replacement because the equipment used for this method is no longer supported by the manufacturer.
1.1 This test method covers the determination of the total trace nitrogen (organic and inorganic) naturally found in liquid aromatic hydrocarbons, its derivatives and related chemicals.
1.2 This test method is applicable for samples containing nitrogen from 0.05 to 100 mgN/kg. For higher concentrations refer to Test Method D 4629.
1.3 The detector response for the technique within the scope of this test method is linear with nitrogen concentration.
1.4 The following applies to all specified limits in this test method: for purposes of determining conformance with this test method, an observed value or a calculated value shall be rounded off "to the nearest unit" in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice E 29.
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. For specific hazard statements, see Section 9 and Note 2, Note 3, Note 4, and Note 8.