ASTM E2710-11e1美国材料与试验协会标准.pdfVIP

Designation:E2710−11´1

StandardGuidefor

PreservationofCharredDocuments1

ThisstandardisissuedunderthefixeddesignationE2710;thenumberimmediatelyfollowingthedesignationindicatestheyearof

originaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.A

superscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.

´1NOTE—EditorialcorrectionsweremadetoSection7inMay2011.

1.Scope3.1.1bonefolder,n—apieceofshapedboneorother

1.1Thisguideprovidesproceduresthatshouldbeusedbymaterial,suchasplasticorTeflon,typicallyusedbybookbind-

forensicdocumentexaminers(GuideE444)forthepreserva-erstocreasepaperandtoseparatepiecesofpaperthatarestuck

tionofcharreddocuments.together.

1.2Theseproceduresincludeevaluationofthesufficiency3.1.2charreddocuments,n—documentsdamagedbyheat

orfire.

ofthematerialrequiringpreservation.

1.3Theparticularmethodsemployedinagivencasewill3.1.3paryleneprocessing,n—thedepositionofaclear

dependuponthenatureofthematerialavailableforpreserva-polymercoatingonadocument(s)withinavacuumchamberto

tion.strengthenandstabilizethedocument(s).

1.4Thisguidedoesnotcoverallprocedurestopreserve3.1.4polyesterfilmencapsulation,