1.1 This guide covers general recommendations for the use of atomic absorption spectrophotometers in the flame mode for the chemical analysis of metals and metal bearing ores by ASTM methods. It describes tests to determine whether the instrument's performance is satisfactory and recommends procedures for taking atomic absorption measurements. Additional information may be found in Practice E663.

1.2 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.