KS M ISO 7252-2007 Paints and varnishes－Determination of total mercury－Flameless atomic absorption spectrometric method《涂料和清漆 汞总含量的测定 无焰原子吸收光谱测定法》.pdf

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