Причина отмены Formerly under the jurisdiction of Committee D16 on Aromatic Hydrocarbons and Related Chemicals, this specification was withdrawn in January 2017 in accordance with section 10.6.3 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date. Реферат

This specification covers two grades of solid caustic potash as follows: Type I, 85 % potassium hydroxide; and Type II, 90 % potassium hydroxide. Sampled specimens shall be tested and conform accordingly to chemical requirements as to total alkalinity of KOH, and specified maximum compositions for K₂CO₃, KCl, and Fe.

Область применения

1.1 This specification covers two grades of solid caustic potash, 85 % and 90 %.

1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

1.3 Review the current Materials Safety Data Sheets (MSDS) for detailed information concerning toxicity, first aid procedures, handling and safety precautions.

1.4 The following safety hazards caveat pertains only to the test methods portion, Section 6: 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.