1、Designation: E1146 08E1146 16Standard 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 re
2、vision. A number 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 aci
3、d, also known as technical grade hydrochloric acid.1.2 This specification includes requirements for muriatic acid available commercially in 20 Baum and 22 Baumconcentration grades.1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information on
4、ly.1.4 Review the current Material Safety Data Sheets (MSDS)(SDS) for detailed information concerning toxicity, first aidprocedures, handling and safety precautions.1.5 The following safety hazards caveat pertains only to the test methods portion, Section 5: This standard does not purport toaddress
5、all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establishappropriate safety and health practices and determine the applicability of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2E224 Test Methods f
6、or Analysis of Hydrochloric AcidE300 Practice for Sampling Industrial Chemicals3. Requirements3.1 Muriatic acid shall conform to the following chemical and 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 g
7、ravity at 15.5/15.5C 19.60 to 20.80 21.90 to 23.004. Sampling4.1 Sample muriatic acid in accordance with the appropriate sections 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 the test proced
8、ures described in Test Methods E224.6. Keywords6.1 muriatic acid; technical grade hydrochloric acid1 This specification is under the jurisdiction of ASTM Committee D16 on Aromatic Hydrocarbons and Related Chemicals and is the direct responsibility of SubcommitteeD16.16 on Industrial and Specialty Pr
9、oduct Standards.Current edition approved April 1, 2008Nov. 1, 2016. Published May 2008November 2016. Originally approved in 1987. Last previous edition approved in 20022008 asE1146 97 (2002). 08. DOI: 10.1520/E1146-08.10.1520/E1146-16.2 For referencedASTM standards, visit theASTM website, www.astm.o
10、rg, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what chang
11、es have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the offici
12、al document.*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 States1SUMMARY OF CHANGESCommittee E15D16 has identified the location of selected changes to this standard since the
13、 last issue(E114697(2002)E1146)08) that may impact the use of this standard. (Approved November 1, 2016.)(1) Updated units of measure to comply with the International System of Units (SI).Removed “Material” from (MSDS) statementin Scope section 1.4.(2) Added subsection to Scope stating that the SI u
14、nits are considered standard.(3) Added Summary of Changes section.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any s
15、uch patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn.Your comments are invit
16、ed either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. 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
17、 fair hearing you shouldmake your views known to the ASTM Committee 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
18、 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 Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 162
