1、Designation:E114608Standard Specification forMuriatic Acid(Technical Grade Hydrochloric Acid)1This standard is issued under the fixed designation E1146;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A numbe
2、r in parentheses indicates the year of last reapproval.Asuperscript epsilon()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 known astechnical
3、 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 the current Mate
4、rial Safety Data Sheets(MSDS)for detailed information concerning toxicity,first aidprocedures,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 concerns,if any,associat
5、ed 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:2E224 Test Methods for Analysis of Hydrochloric AcidE300 Practice
6、for Sampling Industrial Chemicals3.Requirements3.1 Muriatic acid shall conform to the following chemicaland physical requirements:20 Baum22 BaumTotal acidity as HCl,%mass(m/m)(%by weight)30.71 to 32.9335.02 to 37.14Fe,g/g(ppm)5 max5 maxBaum gravity at 15.5/15.5C19.60 to 20.8021.90 to 23.004.Sampling
7、4.1 Sample muriatic acid in accordance with the appropriatesections of Practice E300 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 Test Methods E224.6.Keywords6.1 muriatic acid;
8、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.Published May 2008.Originallyapproved in 1987.La
9、st previous edition approved in 2002 as E114697(2002).DOI:10.1520/E1146-08.2For 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 standards Document Summary page onthe ASTM
10、 website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 SUMMARY OF CHANGESCommittee E15 has identified the location of selected changes to this standard since the last issu
11、e(E114697(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.ASTM International takes no position respecting th
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14、rters.Your comments will receive careful consideration at a meeting of theresponsible technical committee,which you may attend.If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards,at the address shown below.This standard i
15、s 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).Permission rights to photocopy the standard may also be secured from the ASTM website(www.astm.org/COPYRIGHT/).E1146 082