scope:

1.1 These test methods cover the analysis of furnace grade phosphoric acid.

1.2 The analytical procedures appear in the following order:

Sections Assay by Specific Gravity 8 to 16 Iron 17 to 26

1.3 The values stated in SI units are to be regarded as the standard. The values given 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 and health practices and determine the applicability of regulatory limitations prior to use. Specific hazards statements are given in Section 5.