1、Designation:E114616Standard 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 U.S.Department of Defense.1.Scope*1.1 This specification covers muriatic acid,also known astechn
3、ical 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
4、Safety Data Sheets(SDS)for de-tailed information concerning toxicity,first aid procedures,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,associated w
5、ith 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 for
6、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.Sampling4.1
7、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;tech
8、nical grade hydrochloric acid1This specification is under the jurisdiction of ASTM Committee D16 onAromatic Hydrocarbons and Related Chemicals and is the direct responsibility ofSubcommittee D16.16 on Industrial and Specialty Product Standards.Current edition approved Nov.1,2016.Published November 2
9、016.Originallyapproved in 1987.Last previous edition approved in 2008 as E1146 08.DOI:10.1520/E1146-16.2For 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 Docu
10、ment Summary page onthe ASTM 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 D16 has identified the location of selected changes to this
11、standard since the last issue(E114608)that may impact the use of this standard.(Approved November 1,2016.)(1)Removed“Material”from(MSDS)statement in Scopesection 1.4.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin thi
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