ASTM_D_929_-_85_1997.pdf

Designation:D 929 85(Reapproved 1997)Standard Specification forBorax1This standard is issued under the fixed designation D 929;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year 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.1.Scope1.1 This specification covers material suitable for variouswashing,cleaning,and scouring processes,with or withoutsoap as conditions demand,and where a mildly alkalinematerial is desired.1.2 This material may be hazardous if not properly man-aged.1.3 Precautionary information for the safe use,storage,anddisposal of this material should be preliminarily obtained fromsuppliers and others.1.4 In case of personal accident with this material,applyappropriate first aid;telephone the nearest Poison ControlCenter for assistance,and get medical attention immediately.2.Referenced Documents2.1 ASTM Standards:D 501 Test Methods of Sampling and Chemical Analysis ofAlkaline Detergents23.Ordering Information3.1 Unless otherwise specified in the contract,borax shall bepurchased by net weight as packed at the place of manufacture.4.Chemical Composition4.1 Borax(sodium tetraborate,Na2B4O710H2O)as re-ceived shall conform to the following requirements as tochemical composition:Na2B4O7,min,%52.5Excess aciditynoneExcess alkalinity as Na2O,max,%0.2Matter insoluble in water,max,%0.1Sieve testas specified5.General Requirements5.1 Borax(sodium tetraborate)shall be a white crystallinepowder or colorless transparent crystals corresponding ap-proximately to the formula Na2B4O710H2O.6.Sampling and Analysis6.1 The material shall be sampled and analyzed in accor-dance with Test Methods D 501.The American Society for Testing and Materials takes no position respecting the validity of any patent rights asserted in connectionwith any item mentioned in this standard.Users of this standard are expressly advised that determination of the validity of any suchpatent rights,and the risk of 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by the responsible technical committee and must be reviewed every five years andif not revised,either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM Headquarters.Your comments will receive careful consideration at a meeting of the responsibletechnical committee,which you may attend.If you feel that your comments have not received a fair hearing you should make yourviews known to the ASTM Committee on Standards,100 Barr Harbor Drive,West Conshohocken,PA 19428.This standard is copyrighted by ASTM,100 Barr Harbor Drive,West Conshohocken,PA 19428-2959,United States.Individualreprints(single or multiple copies)of this standard may be obtained by contacting ASTM at the above address or at 610-832-9585(phone),610-832-9555(fax),or serviceastm.org(e-mail);or through the ASTM website(http:/www.astm.org).1This specification is under the jurisdiction of the ASTM Committee D-12 onSoaps and Other Detergents and is the direct responsibility of Subcommittee D12.14on Specifications for Analysis of Inorganic Alkaline Detergents.Current edition approved May 31,1985.Published July 1985.Originallypublished as D 929 47.Last previous edition D 929 50(1980).2Annual Book of ASTM Standards,Vol 15.04.1Copyright ASTM,100 Barr Harbor Drive,West Conshohocken,PA 19428-2959,United States.NOTICE:This standard has either been superseded and replaced by a new version or discontinued.Contact ASTM International(www.astm.org)for the latest information.