ASTM E1146-2008 Standard Specification for Muriatic Acid (Technical Grade Hydrochloric Acid)《盐酸(工业级盐酸) 的标准规范》.pdf
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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
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