1、 KS M ISO 7252 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS KS M ISO 7252 :2007 (2012 ) 2007 9 28 http:/www.kats.go.krKS M ISO 7252:2007 : ( ) ( ) LH () () KCC ( ) : (http:/www.standard.go.kr) : :2002 1 14 :2007 9 28 : 2012 12 20 : 20120740 : ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS M ISO 725
2、2:2007 (2012 ) Paints and varnishes Determination of total mercury Flameless atomic absorption spectrometric method 1984 1 ISO 7252, Paints and varnishesDetermination of total mercury Flameless atomic absorption spectrometric method , . 1 . 0.010.5 %(m/m) . 0.5 %(m/m) . 2 . . KS L ISO 3851, 1: KS L
3、ISO 648, KS L ISO 1042, KS M ISO 1513, KS M ISO 3696, ISO 1512, Paints and varnishesSampling of products in liquid or paste form 3 . 2 253.7 nm . KS M ISO 7252:2007 4 KS M ISO 3696 3 . 4.1 . 4.2 (II)(1/2) 100 g/L (II)(1/2)(SnCl 2 2H 2 O) 25 g (35 % m/m, 1.18 g/mL) 50 mL 250 mL . . . 4.3 5 %(m/m) 4.4
4、 65 %(m/m)( = 1.40 g/mL) 4.5 100 mg Hg/L 1 mL 0.1 mg . a) 0.1 g 1 000 mL (4.3) . b) (II) 0.135 4 g 0.1 mg 1 000 mL (4.3) . 4.6 1 mg Hg/L . (4.5) 10 mL 1 000 mL (4.3) . 1 mL 1 g . 5 , . 5.1 2 KS M ISO 7252:2007 253.7 nm 5.2 . (7.1.2.1 ) 7.1.2 7.2.3 . 5.2 (253.7 nm) , 10 mm . 5.3 5.4 . 5.5 () 500 mL .
5、 5.6 ( ) (5.5)( 1 ) . 5.7 . 5.8 0.43 L/min . 5.9 0.43 L/min 5.10 4 ( ) 25 mL ( 2 ). 5.11 ( , ) 5.12 ( , 2 ). 3 KS M ISO 7252:2007 5.13 5.14 KS L ISO 3851 , 10 mL 25 mL . 5.15 KS L ISO 1042 , 25 mL 100 mL . 5.16 KS L ISO 648 , 1 mL 5 mL . 5.17 0.1 mg . 6 ISO 1512 . KS M ISO 1513 . 7 7.1 7.1.1 . 6 25
6、mL (5.15) 10 mL (5.14) (4.6) (4.3) . 1 (4.6) mL g/mL 0 a1 2 3 4 5 0 1 2 3 4 5 0 0.04 0.08 0.12 0.16 0.20 a 4 KS M ISO 7252:2007 7.1.2 7.1.2.1 (5.2) (5.1) (5.3) . 253.7 nm . 2 (5.8), (5.9), (5.10) (5.12) (5.2) . , . 7.1.2.2 4 . ( 1 L/min). (5.4) . (7.1.2.4 ). 7.1.2.3 5 mL 5 (5.16) . (4.2) 1 mL , . 4
7、. 7.1.2.4 . , . 5 mL . 5 . 7.1.3 ( g/mL) , ( ) . . 254 nm (+) . 7.2 . 7.2.1 (5.13) , 20 mg 5 KS M ISO 7252:2007 0.1 mg . 7.2.2 (5.6) ( 1 ) (4.1) (5.5) . 10 mL (5.14) 3 mL (4.4) , . ( 3 ) (5.7) . 30 . 25 mL (5.14) 22 mL . . 25 mL . 7.2.3 7.2.2 5 mL (5.16) 100 mL (5.15) (4.3) . (5.10) (5.16) 5 mL . 1
8、mL (4.2) . 4 . ( , 7.1.3 ), (7.2.4 ) . . ( 5 ) (4.3) ( F ). , 20 % . 7.2.4 , . 8 8.1 . m V F a m V F a c 0.25 10 25 2 Hg6 KS M ISO 7252:2007 a : ( g/mL) c Hg : ( %) F :7.2.3 m : (7.2.1) (g) V :7.2.3(5 mL) (7.2.2) (mL) 2 . 8.2 . 9 . a) b) (KS M ISO 7252) c) d) e) 7 KS M ISO 7252:2007 :mm 65 0.7 1 2 6
9、5 10 1.6 2 ( , 0.5) 810 12 15 1 8 KS M ISO 7252:2007 4 a 2 3 (5.8) a a a AAS (5.11) (5.2) (5.10) (5.9) 25 mL a (5.12) 9 KS M ISO 7252:2007 10 KS M ISO 7252:2007 , . 1 1984 1 ISO 7252, Paints and varnishesDetermination of total mercury Flameless atomic absorption spectrometric method , . 2 , . 3 KS 3
10、.1 a) Flameless “ ” . b) Atomic absorption spectrometric method “ ” . 3.2 a) Tin(II) chloride dihydrate “ (II)(1/2)” . b) Mercury “ ” . 3.3 a) Mercury hollow-cathode lamp or mercury discharge lamp “ ” . b) Combustion flask or separating funnel “ ” . c) Reaction vessel “ ” . d) Flexible acid-resistan
11、t tubing “ ” . 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS M ISO 7252 :2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Paints and varnishes Determination of total mercury Flameless atomic absorption spectrometric method ICS 87.040 Korean Agency for Technology and Standards http:/www.kats.go.kr