ASTM E1146-1997(2002) Standard Specification for Muriatic Acid (Technical Grade Hydrochloric Acid)《盐酸(工业级盐酸)》.pdf

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1、Designation: E 1146 97 (Reapproved 2002)Standard 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 yea

2、r of last revision. 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. Scope1.1 This specification covers muria

3、tic acid, also known astechnical grade hydrochloric acid.1.2 This specification includes requirements for muriaticacid available commercially in 20 Baum and 22 Baumconcentration grades.1.3 The following precautionary caveat pertains only to thetest method portion, Section 5, of this specification: T

4、hisstandard does not purport to address all of the safety concerns,if any, associated with its use. It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.1.4 Review the current

5、Material Safety Data Sheets (MSDS)for detailed information concerning toxicity, first aid proce-dures, handling and safety precautions.2. Referenced Documents2.1 ASTM Standards:E 224 Test Methods for Analysis of Hydrochloric Acid2E 300 Practice for Sampling Industrial Chemicals33. Requirements3.1 Mu

6、riatic acid shall conform to the following chemicaland physical requirements:20 Baum 22 BaumTotal acidity as HCl, % by weight 30.71 to 32.93 35.02 to 37.14Fe, ppm 5 max 5 maxBaum gravity 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

7、sections 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 Test Methods E 224.6. Keywords6.1 muriatic acid; technical grade hydrochloric acidASTM International ta

8、kes 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 such patent rights, and the riskof infringement of such rights, are entirely their own r

9、esponsibility.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 invited either for revision of this standard or for additional standardsand should be addre

10、ssed 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 fair hearing you shouldmake your views known to the ASTM Committee on Standards, at t

11、he 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 (p

12、hone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).1This 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 appro

13、ved Oct. 10, 2002. Published February 2003. Originallyapproved in 1987. Last previous edition approved in 1997 as E 1146 97.2Annual Book of ASTM Standards, Vol 15.05.3Discontinued; See 2001 Annual Book of ASTM Standards, Vol 15.05.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.