This standard is issued under the fixed designation C 5; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript 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. | Designation C 5 79 Reapproved 1997 Standard Specification for Quicklime for Structural Purposes1 This standard is issued under the fixed ches ii r i tion c 5 the number immediately following the designation indicates the year of original adoption rr in the case rf revisirn the year rf last revisirn. A number in parentheses indicates the year rf last reapprrval. A superscript epsilrn e indicates an editorial change since the last revisirn rr reapprrval. This standard has been approved for use by agencies of the Department of Defense. 1. Scope This specification covers ahclasses of qmckllme such as crushed lime granular lime ground lime lump lime pebble lime and pulverized lime used for structural purprses. 2. Referenced Documents ASTM Standards C 25 Test Methrds for Chemical Analysis rf Limestone Quicklime and Hydrated Lime2 C 50 Practice for Sampling Inspectirn Packing and Marking rf Lime and Limestone Products2 C 51 Terminrlrgy Relating to Lime and Limestone As Used by the Industry 2 C 110 Test Methrds for Physical Testing rf Quicklime Hydrated Lime and Limestrne2 E 11 Specification for Wire-Ctorh Sieves for T cl iilng IPu-prses3 3. Terminology Defimtions Unless otl-cnvísc specified for d ef n i i oins rf terms used in this standard refer to Terminrlrgy C 51. 4. Chemical Composition The quicklime shall crnform to the frllrwing requirements as to chemical crmprsitirn calculated rn a nrnvrlatile basis 1 This specification is under the jurisdiction of ASTM Committtete C-7 on Lime and is the direct resprnsibility rf Subcrmmittee rn Structural Lime. Current editirn apprrved Nrv. 30 1979. Published January 1980. Originally published as C 5 - 13 T. Last previrus editirn C 5 - 59 1974 . 2 Annual Book of ASTM Standards Vrl . 3 Annual Book of ASTM Standards Vrl . Calcium Lime Magnesium Lime Calcium oxide min Magnesium oxide min 75 20 Calcium and magnesium oxide min 95 95 Silica alumina and oxide of iron max Carbon dioxide max 5 5 If sample .
