1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 6978 1 1: KS I ISO 6978 1:2009 2009 10 2 http:/www.kats.go.krKS I ISO 6978 1:2009 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2004 6 30 :2009 10 2 2009-0592 : : ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , . KS I ISO 6978 1:2009 i .1 1 1 2 1 3 .2
2、 4 2 5 2 6 9 7 10 7.1 .11 7.2 ( 1 2 ).11 7.3 .13 8 13 8.1 AAS AFS 13 8.2 .13 8.3 .14 9 14 10 15 10.1 .15 10.2 .15 10.3 .15 11 .15 16 KS I ISO 6978 1:2009 1: Natural gas Determination of mercury Part 1: Sampling of mercury by chemisorption on iodine 2003 1 ISO 6978 1, Natural gas Determination of mer
3、cury Part 1:Sampling of mercury by chemisorption on iodine . , . . . 1 40 MPa ( ) . 0.1 g/m3 5 000 g/m3 . ( , ) 20 mg( ) , 10 g/m3 . 253.7 nm ( ) . KS I ISO 6978 2 0.01 g/m3 100 g/m3 (8 MPa ) 0.001 g/m3 1 g/m3 PNG . 2 . . ( ) . KS I ISO 6570, KS I ISO 10715, KS I ISO 14111, KS I ISO 14532, KS I ISO
4、6978 1:2009 2 (GUM), BIPM, IEC, IFCC, ISO, IUPAC, IUPAP, OIML AISI 1)3 KS I ISO 14532 . 4 . : , Hg(CH3)2 , Hg(C2H5)2 (Hg) . Hg I2 HgI2 Hg(CH3)2 2 I2 HgI2 2 CH3I (HgI2) / (NH4I/I2) . (stripping) . (II) . , (AAS) (AFS) 253.7 nm . . , 273.15 K 1 013.25 hPa (m3) . 5 . ( , ) . 1 % . 5.1 10 MPa 1 a), 40 M
5、Pa 1 b) . 5.1.1 ( 2 1 ) NiMo16Cr15W( 2.4819) , . 5.1.1.1 5.1.1.2 ( 3 1 ) . ( 3) 5 mm (5.1.1.1) . (6.2.3) 4.00 g 50 mm . 1) American Iron and Steel Institute, c/o James McCarl, 131 Huron Drive, Carnegie, PA 15106, USA .KS I ISO 6978 1:2009 3 5 mm (5.1.1.1) . . 5.1.2 ( 2 1 ) 5.1.3 ( 2 1 ) 5.1.4 ( 1) .
6、 a) , 10 MPa 1 a) b) (5.1.5) , 40 MPa 1 b) , . 5.1.5 1 b) 90 . , . 5.1.6 ( 1 ) (5.1.2) (5.1.3) . 5.1.7 5.2 ( 4 ) . 5.2.1 . 5.2.2 5.2.3 5.2.4 3 5.3 ( 5 ) . 5.3.1 KS I ISO 6978 1:2009 4 2 L 5.3.2 5.3.3 . 5.4 (AAS) (AFS) ( ) AAS, 1 ng AFS, (PVA) . (PTFE) (PA) . . a) 10 MPa 1 (t1, tG) 6 2 (V1, V2) 7 3 (
7、p1, pG) 8 4 9 5 1 KS I ISO 6978 1:2009 5 b) 40 MPa 1 (t1, tG) 6 2 (V1, V2) 7 3 (p1, pG) 8 4 9 5 10 7.2 1 ( ) KS I ISO 6978 1:2009 6 : mm 1 5 O 2 6 3 7 4 7.2 2 KS I ISO 6978 1:2009 7 : mm 1 2 7.2 3 ( ) KS I ISO 6978 1:2009 8 1 2 3 4 3 5 a 4 KS I ISO 6978 1:2009 9 1 (2 L) 2 3 a 5 6 6.1 1 g/L 6.2 6.2.1
8、 (I2) 6.2.2 n- 6.2.3 0.2 mm 0.5 mm . 2 L (5.3.1) (6.2.1) 12 g n- (6.2.2) 1 L . 0.5 kg . 30 , (5.3.3) 5 . n- . 30 hPa n- . n- . . 6 . KS I ISO 6978 1:2009 10 6.3 6.3.1 (I2) 6.3.2 (NH4I) 6.3.3 c(NH4I) 1 mol/L 6.3.4 / (NH4I/I2) 10 g NH4I (6.3.3) 1 L , (6.1) 10 . NH4I/I2 NH4I . 6 . 6.4 6.4.1 (KOH) 15 %
9、6.4.2 (II)(SnCl2) 6.4.3 (II)(6.4.2) 5 g (6.4.1) 95 g . . 6.5 6.5.1 (Hg) 1 000 g/L, KS I ISO 14111 . 6.5.2 (6.5.1) NH4I/I2 (6.3.4) . 1 . 7 . . KS I ISO 10715 . . KS I ISO 6978 1:2009 11 7.1 7.1.1 . . . a) : . b) : . . . , . , . (PVA) . (PTFE) (PA) . 7.1.2 KS I ISO 10715 . 7.1.1 . ( ) . (- ) . . . ( )
10、 . 7.1.3 ( ) . . , . / . 7.1.4 0.1 g/m3 5 000 g/m3 . ( , ) (H2S) 20 mg( ) KS I ISO 6570 10 g/m3 . 7.2 ( 1 2 ) KS I ISO 6978 1:2009 12 KS I ISO 10715 ( , ) . ( 1 ) . - . ( 1 ) . ( 2 ) . . ( 3 ) , ( 2 ) O . ( 2 ) (O ). ( 1 ) , 10 MPa 1 a) , (NiMo16Cr15W , 2.481 9 PTFE ) 40 MPa 1 b) . 50 t2 90 , V1 ( 1
11、 ). 10 m3/h . ( 1 ) ( 2 ) . t1 ( 1). ( , 2 K/10 min ) . ( 1). . . , O . , . . . ( 1) p1 . ( 1) Vi , V2 . p 6.0 MPa 6 m3/h 8 m3/h p6.0 MPa p (: m3/h) tG pG . . KS I ISO 6978 1:2009 13 pa . (0.15 m3 2 m3) , ( 1) Vf . . , . 7.3 ( 4) . 3 50 mL . , 3 NH4I/I2 . NH4I/I2 . 10 50 mL . . . 3 . NH4I/I2 . 8 . .
12、 8.1 AAS AFS AAS(5.4) AFS(5.4) . , . (6.4.1) 20 mL (6.1) 20 mL AAS AFS . 10 L 1 000 L . AAS AFS . NH4I/I2 (6.3.4) . (6.4.3) 1.25 mL . AAS AFS . . AAS . 8.2 8.1 (6.5.2) AAS AFS . KS I ISO 6978 1:2009 14 3 3 % . 2 , 3 . . . 8.3 . . . 3 7.3 8.1 . 8.1 1 g/L . 9 (1) mHg(: ng) . 2f1HgVRVAm (1) A : AAS AFS
13、 ( ) Rf : ( /ng) V1 : (mL) V2 : (mL) (2) . MHg, corr mHg mblank (2) mHg, corr : (ng) mblank : (1) (ng) (3) 273.15 K 1 013.25 hPa VG(: L) . )()()(GNNNGaifGtTpTppVVV (3) Vf : (L) Vi : (L) pa : (hPa) pG : ( )(hPa) tG : ( )() TN : 273.15 K pN : 1 013.25 hPa (4) Hg(: ng/L) g/m3 . KS I ISO 6978 1:2009 15
14、GcorrHg,HgVm (4) 10 10.1 . 10.2 10.2.1 . 3 %(95 % ) . 10.2.2 . , 7 % (95 % ) . 10.3 20 % . 11 . (KS I ISO 6978 1) , , , (AAS AFS ) GUM (g/m3) KS I ISO 6978 1:2009 16 1 KS I ISO 6978 2, 2: / 1: 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS I ISO 6978 1:2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Natural gasDetermination of mercuryPart 1:Sampling of mercury by chemisorption on iodineICS 75.060 Korean Agency for Technology and Standards http:/www.kats.go.kr
copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1