Active Standard ASTM E224 | Developed by Subcommittee: E15.02
Book of Standards Volume: 15.05
Historical (view previous versions of standard)
Significance and Use
These test methods provide for the classification of various grades of hydrochloric acid and for the determination of various impurities. Acid strength and impurity levels are important factors in many uses of hydrochloric acid.
1.1 These test methods cover the analysis of hydrochloric acid.
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 The analytical procedures appear in the following order:
|Total Acidity||8 to 16|
|Baumé Gravity||17 to 26|
|Sulfated Ash||27 to 34|
|Iron||35 to 44|
|Color||45 to 52|
|Total Sulfur||53 to 59|
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 and 30.1, 39.7, and 48.4.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1193 Specification for Reagent Water
D1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)
E1 Specification for ASTM Liquid-in-Glass Thermometers
E60 Practice for Analysis of Metals, Ores, and Related Materials by Spectrophotometry
E100 Specification for ASTM Hydrometers
E180 Practice for Determining the Precision of ASTM Methods for Analysis and Testing of Industrial and Specialty Chemicals
E200 Practice for Preparation, Standardization, and Storage of Standard and Reagent Solutions for Chemical Analysis
ICS Number Code 71.060.30 (Acids)
UNSPSC Code 12352301(Inorganic acids)