KS I ISO 8761-2008 Work-place air-Determination of mass concentration of nitrogen dioxide-Method using detector tubes for short-term sampling with direct indication《车间空气 二氧化氮质量浓度的测.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 8761 ( ) KS I ISO 8761:2008 2008 12 2 http:/www.kats.go.krKS I ISO 8761:2008 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：1998 3 26 ：2008 12 2 2008-0812 ： ： ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , . KS I ISO 8761:2008 ( ) Work-place air Deter

2、mination of mass concentration of nitrogen dioxide Method using detector tubes for short-term sampling with direct indication 1989 1 ISO 8761, Work-place air Determination of mass concentration of nitrogen dioxide Method using detector tubes for short-term sampling with direct indication . 1 ( ) 1 m

3、g/m3 50 mg/m3 . 5. . 9.2 . . . 2 . . ( ) . KS I 2003, 3 . 3.1 (length-of-stain detector tube) KS I ISO 8761:2008 2 , 3.2 (volume per stroke) 3.3 (opening time per stroke) 1 4 . . , , . 5 . . 5.1 N,N- (N,N-diphenylbenzidine) N,N- . . 5.1.1 NO2 C6H5 NH C6H4 C6H4 NH C6H5 5.1.2 . . 3 mg/m3 0.8 mg/m3 . 6

4、 mg/m3 1.6 mg/m3 , 2 mg/m3 0.4 mg/m3 . 5.2 N-(1- )- N-(1-naphthyl)-ethylenediaminedihydro-chloride . . 5.2.1 NO2 C10H7 NH CH2 CH2 NH2, 2HCl H2N C6H4 SO3H KS I ISO 8761:2008 3 5.2.2 5.3 o- o-Tolidine . . 5.3.1 NO2 NH2(CH3)C6H3 C6H3(CH3)NH2 5.3.2 . 100 mg/m3 . 6 . . 6.1 , . 1 mg/m3 50 mg/m3 , , , . .

5、a) . . b) ( ) . c) . . d) 25 % , , 15 mm . . . 6.2 ： . 5 % , . , . 8.1 . KS I ISO 8761:2008 4 (NO2) . . . 7 . . ( .) . (flow blockage) . . . . . . . . . , . . 8 8.1 . a) (3.2) (6.1) , 0.5 mL 100 mL . . b) ( ), (6.1) (3.3) . . 6.2 . . 8.2 . ( .) , 8.2.1 8.2.2 . KS I ISO 8761:2008 5 8.2.1 . . . a) . b

6、) . 20 % . . . 8.2.2 , , . . . . 8.3 . 9 9.1 8. . mg/m3 (NO2) . mg/m3 (NO2) 10 6 (NO2) . )NO(2.273536.5)NO(3.101)2.273(05.242.2930.46)NO(222 +=+=pp p ： (kPa) ： () 46.0 ： NO2 (g/mol) 24.05 ： 293.2 K, 101.3 kPa (L/mol) NO2 293.2 K 101.3 kPa 110 6 1.91 mg/m31 mg/m3 0.5210 6 . 9.2 . ( 2 ) 6 mg/m3 25 % .

7、 . KS I ISO 8761:2008 6 a) , 5 mm 0.1 mm 4 % . b) . , , . c) 10 . a) b) (KS I ISO 8761) c) d) , , e) f) g) , , h) i) (mg/m3) j) . KS I ISO 8761:2008 7 A ( ) ( ) , 6.1 . ( ) . . . . . 6.1 . B . 5 % . 2 mg/m3, 4 mg/m3, 6 mg/m3, 10 mg/m3, 20 mg/m3, 30 mg/m3, 50 mg/m3 . ( ) . 5 . (6.1) (6.2) . . , . . .

8、 . PVC . 7. . ( .) (6.1) 8.2.1 . (mg/m3), (NO2) (10 6), (NO2) . . (KS I 2003) , . 18 30 , 50 % . KS I ISO 8761:2008 8 2 mg/m3, 4 mg/m3, 6 mg/m3, 10 mg/m3, 20 mg/m3, 30 mg/m3, 50 mg/m3 , 5 . (5.1.2, 5.2.2, 5.3.2) , . . , . KS I ISO 8761:2008 9 B 1 KS I 2002, ( ) 2 KS I ISO 6141, 3 KS I ISO 6143, 4 KS

9、 I ISO 6145( ), 5 ISO 6349, Gas analysis Preparation of calibration gas mixtures Permeation method 6 ISO 6712, Gas analysis Sampling and transfer equipment for gases supplying an analytical unit 7 ISO 7395, Gas analysis Preparation of calibration gas mixtures Mass dynamic method ( ) 135513 7017 (02)

10、60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS I ISO 8761:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Work-place airDetermination of mass concentration of nitrogen dioxide Method using detector tubes for short-term sampling with direct indication ICS 13.040.30