KS I ISO 13794-2008 Ambient air－Determination of asbestos fibres－Indirect-transfer transmission electron microscopy method《环境空气 石棉纤维的测定 间接传递电子显微镜法》.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 13794 KS I ISO 13794:2008 2008 12 2 http:/www.kats.go.krKS I ISO 13794:2008 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2003 10 31 ：2008 12 2 2008-0812 ： ： ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , . KS I ISO 13794:2008 Ambient air Determinati

2、on of asbestos fibres Indirect-transfer transmission electron microscopy method 1999 1 ISO 13794, Ambient air Determination of asbestos fibres Indirect-transfer transmission electron microscopy method . 1 1.1 ( TEM .) . , ( ) , . , , . . . . 1.2 ( .) . 1.3 7 000 /mm2 2.99 . . (10 g/m3 ) , . . . 0.5

3、m . 1.4 KS I ISO 13794:2008 2 , . TEM , 4 000 L , 10 m/ m3 0.5 /L , TEM 0.195 mm2 1.8 /L . TEM . 5 m , (PCM-equivalent fibers) , ( ) TEM . 2 . 2.1 (acicular) , 2.2 (amphibole) . . A0-1B2C5T8O22(OH,F, Cl)2 A： K, Na B： Fe2, Mn, Mg, Ca, Na C： Al, Cr, Ti, Fe3, Mg, Fe2T： Si, Al, Cr, Fe3, Ti , . 4 11 Si-O

4、 . (斜方晶系 , plasmatic crystals) 56 124 . 2.3 2.4 , TEM . 2.5 (analytical sensitivity) , . KS I ISO 13794:2008 3 1 ( )/L . 2 . 2.6 ( ) 2.7 (asbestos) . CAS No.(The Chemical Abstracts Registry number) . (12001-029-5), (12001-28-4), (12172-73-5), (77536-67-5), (77536-68-6), (77536-66-4) 2.8 (asbestos st

5、ructure) . 2.9 (ashed filter blank) (membrane filter) TEM . 2.10 (aspect ratio) 2.11 (blank) TEM . 2.12 (camera length) 2.13 (chrysotile) Mg3Si2O5(OH)4 2.14 ( ) (cleavage) 2.15 (cleavage fragment) KS I ISO 13794:2008 4 2.16 (cluster) 2 , 2.17 (direct-transfer blank) (aqueous dispersion) TEM (structu

6、re count) 2.18 d (d-spacing) 2.19 (electron diffraction) 2.20 (electron scattering power) . 2.21 (empty beaker blank) TEM (fiber count) 2.22 EDXA(Energy-dispersive X-ray analysis) 2.23 (eucentric) 2.24 (field blank) , (background structure count) . 2.25 (fibril) 2.26 (fibre) 2.27 (fibre bundle) . 2.

7、28 (fibrous structure) KS I ISO 13794:2008 5 2.29 (funnel blank) TEM 2.30 (habit) 2.31 (limit of detection) 2.99 . /L . 2.32 (matrix) 2.33 (miller index) 3 4 2.34 (PCM-equivalent fibre) 5m , 0.2 m 3.0 m , 3： 1 2.35 (PCM-equivalent structure) 5m , 0.2 m 3.0 m , 3： 1 2.36 1 (primary structure) TEM 2.3

8、7 (replication) 2.38 (selected area electron diffraction) 2.39 (serpentine) (rock) Mg3Si2O5(OH)4 2.40 (structure) , , KS I ISO 13794:2008 6 2.41 (twinning) 2.42 (unopened fibre) 2.43 (zone-axis) 3 DMF ： ED ： EDXA ： FWHM ： , HEPA ： MEC ： PC ： PCM ： SAED ： SEM ： STEM ： TEM ： UICC ： 4 , 0.4 m 0.8 m ( )

9、 . , pH3.0 pH4.0 ( ) . 0.2 m 0.22 m . TEM . TEM , . TEM . , , . . TEM . TEM , KS I ISO 13794:2008 7 . TEM . TEM , (EDX) . . ED , EDXAS (morphology) . ED , EDXA ED . . . “ ” . . (coding system) . (code) . TEM . . . . . , , /L . . 5 5.1 5.1.1 20 mm 25 mm 50 mm 3 . 0.4 m PC 0.8 m (MEC) . . . 8.8 . H .

10、KS M ISO 10312 . TEM , KS M ISO 10312 . KS I ISO 13794:2008 8 , . 5.1.2 . 40 mm/s 700 mm/s . 10 % . . . . . . 5.1.3 . . 5.1.4 . 5.2 , , . . TEM . . 8.8 . TEM (positive pressure), . . . TEM . TEM . 5.3 5.3.1 80 kV120 kV 1.0 nm . 300 X 100 000 X . 100 000 X . . ( 1 ) mm 1 mm 1 mm . 0.01 TEM 0.6 m2 ED

11、. 20 000 X . ED . SAED , . KS I ISO 13794:2008 9 23S00024785.0 += CMDA A ： SAED (m) D ： SAED (m) M ： Cs ： (mm) ： ( ) SAED SAED . ED TEM TEM . a) 360 30 30 b) 30 30 2 . 1 TEM KS I ISO 13794:2008 10 . EDXA ED , EDXA . TEM 250 nm . . 5.3.2 (EDXA) MnKa 180 eV(FWHM) . TEM EDXA TEM . . . 80 kV 250 nm , 50

12、 nm 1 1 NaKa . / 1.0 . EDXA , . 5.3.3 . . ED . 5.3.4 50 W , MEC TEM . . . 5.3.5 0.013 Pa . . . 45 . . , ED TEM . 5.3.6 ( ) . ED TEM . . KS I ISO 13794:2008 11 . 5.3.7 50 mL , . 5.3.8 20 kPa . . 5.3.9 . , , , . 2 . 5.3.10 (Jaffe washer) , . 3 . 1- -2- PC . 10 mL 50 mL . . 1- -2- . . 1 . 5.3.11 . , . 4 . . KS I ISO 13794:2008 12 1 2 3 4 1 5 6 2 KS I ISO 13794:2008 13 1 2 (100 mm15 mm) 3 4 (50 ) 3 (Jaffe washer) 5.3.12 TEM . 65 70 . 1 5 2 6 3 7 4 8 4 KS I ISO 13794:2008 14 5.3.13 TEM . 0.05 W/mL 0.1 W/mL 50 mL 40 mL . 5.3.14 TEM 0 mm 2 000