1、Designation:D489999(Reapproved 2009)Standard Practice forAnalysis of Vegetable Tanning MaterialsGeneral1This standard is issued under the fixed designation D4899;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revisi
2、on.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This practice is intended for use in the chemical analysisof all vegetable tanning materials.1.2 The values stated in SI units are to
3、be regarded asstandard.No other units of measurement are included in thisstandard.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and dete
4、rmine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D4900 Test Method for Lignosulfonates(Sulfite Cellulose)in Tanning ExtractsD4901 Practice for Preparation of Solution of Liquid Veg-etable Tannin ExtractsD4902 Test Method for Evaporation and Dr
5、ying of Analyti-cal SolutionsD4903 Test Method for Total Solids and Water in VegetableTanning Material ExtractsD4904 Practice for Cooling of Analytical SolutionsD4905 Practice for Preparation of Solution of Solid,Pastyand Powdered Vegetable Tannin ExtractsD6401 Test Method for Determining Non-Tannin
6、s and Tan-nin in Extracts of Vegetable Tanning MaterialsD6402 Test Method for Determining Soluble Solids andInsolubles in Extracts of Vegetable Tanning MaterialsD6403 Test Method for Determining Moisture in Raw andSpent MaterialsD6404 Practice for Sampling Vegetable Materials Contain-ing TanninD6405
7、 Practice for Extraction of Tannins from Raw andSpent MaterialsD6406 Test Method for Analysis of Sugar in VegetableTanning MaterialsD6407 Test Method for Analysis of Iron and Copper inVegetable Tanning MaterialsD6408 Test Method for Analysis of Tannery LiquorsD6409 Practice for Color Tests with Shee
8、pskin SkiverD6410 Test Method for Determining Acidity of VegetableTanning Liquors2.2 ALCA Methods:A1 Analysis of Vegetable Tanning MaterialsGeneral3A5 Extraction of Raw and Spent Materials3A6 Moisture in Raw and Spent Materials3A10 Preparation of Solution of Liquid Extracts3A11 Preparation of Soluti
9、on of Solid,Pasty,and PowderedExtracts3A12 Cooling of Analytical Solutions3A13 Evaporation and Drying of Analytical Solutions3A20 Total Solids and Water3A21 Soluble Solids and Insolubles3A22 Non-Tannins and Tannin3A25 Analysis of Tannery Liquors3A30 Sugar in Tanning Materials3A31 Copper and Iron in
10、Tanning Materials3A40 Color Tests with Sheepskin Skiver3A50 Lignosulfates(Sulfite Cellulose)3A60 Official Certification3J10 Sampling of Vegetable Materials Containing Tannin32.3 Federal SpecificationDD-V-582 Volumetric Apparatus,Glass43.Significance and Use3.1 Vegetable tanning materials are natural
11、 products con-taining various substances of varying composition,concentra-tion and quality.1This practice is under the jurisdiction ofASTM Committee D31 on Leather andis the direct responsibility of Subcommittee D31.01 on Vegetable Leather Thispractice has been adapted from and is a replacement for
12、Method A1 of the OfficialMethods of the American Leather Chemists Association.Current edition approved April 1,2009.Published July 2009.Originallyapproved in 1989.Last previous edition approved in 1999 as D489999.DOI:10.1520/D4899-99R09.2For referenced ASTM standards,visit the ASTM website,www.astm.
13、org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Official Methods of the American Leather Chemists Association.Availablefrom theAmerican Leather ChemistsAssociation(ALCA),Univer
14、sity of Cincinnati,P.O.Box 210014,Cincinnati,OH 452210014.4Available from Standardization Documents Order Desk,Bldg.4 Section D,700Robbins Ave.,Philadelphia,PA 19111-5094,Attn:NPODS.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.2 The
15、methods referenced are useful for analyzing andtesting vegetable tanning materials for moisture,water-extractable substances,cold-soluble fractions,tannins,non-tannins,acidity,tanning properties,the color of tanned leather,and the presence or absence of certain admixtures.4.Samples and Specimens4.1
16、The preparation of the composite sample of a vegetabletanning material for analysis purposes shall be as described inALCA Method J10.5.Apparatus and Reagents5.1 All volumetric glassware shall comply with FederalSpecification DD-V-582.5.2 Unless otherwise specified,all reagents used in thechemical analyses shall be of certified ACS purity grade andcomply with the specifications recommended by the Commit-tee onAnalytical Reagents of theAmerican Chemical Society.55.3 The distilled water used in the
