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ASTM D632-12(2020)e1
Standard Specification for Sodium Chloride (Includes all amendments and changes 12/11/2020).
Přeložit název
NORMA vydána dne 1.11.2020
Informace o normě:
Označení normy: ASTM D632-12(2020)e1
Datum vydání normy: 1.11.2020
Kód zboží: NS-1013141
Počet stran: 4
Přibližná hmotnost: 12 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Anotace textu normy ASTM D632-12(2020)e1 :
Keywords:
salt, snow and ice removal, sodium chloride, stabilization, winter maintenance ,, ICS Number Code 71.060.50 (Salts),71.100.80 (Chemicals for purification of water)
Doplňující informace
| Significance and Use | ||||||||||||
| A1.2 Significance and Use
A1.2.1 The procedure for chemical analysis in this annex determines the total amount of chlorides present in the sample and expresses that value as sodium chloride. A1.2.2 This rapid method of analysis does not distinguish between sodium chloride and other evaporite chloride compounds with ice-melting capabilities. Typical rock salt and solar salt sometimes contains small amounts of CaCl1.1 This specification covers sodium chloride intended for use as a deicer and for road construction or maintenance purposes. 1.2 The values stated as SI units are to be regarded as the standard. 1.3 For purposes of determining conformance to this specification, values for chemical analysis shall be rounded to the nearest 0.1 %, and values for grading shall be rounded to the nearest 1 %, in accordance with the rounding method in Practice E29. 1.4 The text of this specification references notes and footnotes that provide explanatory material. These notes and footnotes shall not be considered as requirements of the specification. 1.5 The following precautionary caveat pertains only to the test method in Annex A1 of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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| 2. Referenced Documents | ||||||||||||
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