1、Designation:C1122/C1122M90(Reapproved 2015)Standard Test Method forWet Volume of Asbestos1This standard is issued under the fixed designation C1122/C1122M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A nu
2、mber in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method covers the appraisal of asbestos fibergroups 4 to 7(see Note 1)in terms of their occupied volumeswhen immersed in water.NOT
3、E1Quebec Standard designation of chrysotile asbestos grades asdetermined by Test Method D3639/D3639M.1.2 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used i
4、ndependently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.1.3 WarningBreathing of asbestos dust is hazardous.Asbestos and asbestos products present demonstrated healthrisks for users and for those with whom they come into contact.In addition to oth
5、er precautions,when working with asbestos-cement products,minimize the dust that results.For informa-tion on the safe use of chrysoltile asbestos,refer to“Safe Useof Chrysotile Asbestos:A Manual on Preventive and ControlMeasures.”21.4 This standard does not purport to address all of thesafety concer
6、ns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.For a specifichazard warning,see 1.3.2.Referenced Documents2.1 ASTM Standards:3D1193 Sp
7、ecification for Reagent WaterD2590/D2590M Test Method for Sampling Chrysotile As-bestosD2946 Terminology for Asbestos and AsbestosCementProductsD3639/D3639M Test Method for Classification of Asbestosby Quebec Standard TestD3879 Test Method for Sampling Amphibole Asbestos(Withdrawn 2009)4E177 Practic
8、e for Use of the Terms Precision and Bias inASTM Test Methods2.2 Other Standard:Quebec Standard Designation of Chrysotile AsbestosGrades53.Terminology3.1 DefinitionsRefer to Terminology D2946.4.Summary of Test Method4.1 A test specimen is dispersed in water by means of amechanically driven inverter.
9、The resulting suspension is thenallowed to stand for a fixed period,and the volume occupied bythe fiber,as defined by the solid-liquid interface,is recorded.5.Significance and Use5.1 Wet volume gives an indication of the degree ofloftiness and openness of asbestos fiber.6.Apparatus6.1 Graduated Glas
10、s CylinderMeeting the followingspecification,as shown in Fig.1:6.1.1Capacity2 dm32000 cm3Subdivisions0.02 dm320 cm3Inside diameter80 cmWall thickness3 mmTotal height482 3 mmHeight from inner bottom of base tothe 2000 cm3mark398 6 mm6.1.2 The cylinder must have a full-width mouth reinforcedwith an ex
11、terior beaded rim,without any spout.6.1.3 The bottom of the graduated cylinder must be flat andmust form a clean right angle with the wall of the graduate.1This test method is under the jurisdiction of ASTM Committee C17 onFiber-Reinforced Cement Products and is the direct responsibility of Subcommi
12、tteeC17.03 on Asbestos-Cement Sheet Products and Accessories.Current edition approved July 1,2015.Published July 2015.Originally approvedin 1989.Last previous edition approved in 2009 as C1122 90(2009)1.DOI:10.1520/C1122_C1122M-90R15.2Available from The Asbestos Institute,http:/ referenced ASTM stan
13、dards,visit the ASTM website,www.astm.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.4The last approved version of this historical standard is referenced onwww.astm.org.5Availa
14、ble from the Asbestos Institute,1130 Sherbrooke St.West,Ste.410,Montreal,QC Canada H3A 2M8.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 6.2 Mechanically Driven Inverter,for rotating the graduatedcylinder about a horizontal axis at the
15、center of the graduatedcylinder at 30 rpm for 30 complete rotations.The inverter mayclamp the cylinder in such a way as to seal the mouth,orseparate stoppers may be used provided the latter do not projectinside the cylinder(see Fig.2 and Fig.3).7.Hazards7.1 Warningsee 1.3.8.Sampling,Test Specimens,a
16、nd Test Units8.1 Sampling:8.1.1 Select a sample in accordance with Test MethodsD2590/D2590M,in the case of chrysotile asbestos,or D3879in the case of amphibole asbestos.8.2 Test Specimens:8.2.1 Refer to Table 1 for specimen sizes required.Take twospecimens in each case.9.Procedure9.1 Fill the cylinder with distilled water(see Note 2)or TypeIV reagent water as defined in Specification D1193,at 25 62C 77 6 3F to the 1000 cm3mark of the cylinder.NOTE2It is recognized that clean water from different
