1、Designation: E 1146 08Standard Specification forMuriatic Acid (Technical Grade Hydrochloric Acid)1This standard is issued under the fixed designation E 1146; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision
2、 A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope*1.1 This specification covers muriatic acid, also kn
3、own astechnical grade hydrochloric acid.1.2 This specification includes requirements for muriaticacid available commercially in 20 Baum and 22 Baumconcentration grades.1.3 The values stated in SI units are to be regarded asstandard. The values given in parentheses are for informationonly.1.4 Review
4、the current Material Safety Data Sheets (MSDS)for detailed information concerning toxicity, first aid proce-dures, handling and safety precautions.1.5 The following safety hazards caveat pertains only to thetest methods portion, Section 5:This standard does not purportto address all of the safety co
5、ncerns, if any, associated with itsuse. It is the responsibility of the user of this standard toestablish appropriate safety and health practices and deter-mine the applicability of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2E 224 Test Methods for Analysis of Hydr
6、ochloric AcidE 300 Practice for Sampling Industrial Chemicals3. Requirements3.1 Muriatic acid shall conform to the following chemicaland physical requirements:20 Baum 22 BaumTotal acidity as HCl, % mass (m/m)(% by weight)30.71 to 32.93 35.02 to 37.14Fe, g/g (ppm) 5 max 5 maxBaum gravity at 15.5/15.5
7、C 19.60 to 20.80 21.90 to 23.004. Sampling4.1 Sample muriatic acid in accordance with the appropriatesections of Practice E 300 for simple liquids.4.2 Take composite sample of not less than 1 L.5. Test Methods5.1 Determine the requirements as specified in 3.1 using thetest procedures described in Te
8、st Methods E 224.6. Keywords6.1 muriatic acid; technical grade hydrochloric acid1This specification is under the jurisdiction of ASTM Committee E15 onIndustrial and Specialty Chemicals and is the direct responsibility of SubcommitteeE15.02 on Product Standards.Current edition approved April 1, 2008.
9、 Published May 2008. Originallyapproved in 1987. Last previous edition approved in 2002 as E 114697(2002).2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standa
10、rds Document Summary page onthe ASTM website.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.SUMMARY OF CHANGESCommittee E15 has identified the location of selected ch
11、anges to this standard since the last issue(E 114697(2002) that may impact the use of this standard.(1) Updated units of measure to comply with the InternationalSystem of Units (SI).(2) Added subsection to Scope stating that the SI units areconsidered standard.(3) Added Summary of Changes section.AS
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15、 on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).E1146082
