KS I ISO 11905-1-2008 Water quality－Determination of nitrogen－Part 1：Method using oxidative digestion with peroxodisulfate《水质 氮的测定 第1部分 过硫酸盐消解法》.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 11905 1 1： KS I ISO 11905 1:2008 2008 8 7 http:/www.kats.go.krKS I ISO 11905 1:2008 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ： 1998 12 28 ： 2008 8 7 2008-0411 ： ： ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , . KS I ISO 11905 1:2008 1： Water qua

2、lity Determination of nitrogen Part 1： Method using oxidative digestion with peroxodisulfate 1997 1 ISO 11905 1, Water quality Determiantion of nitrogen Part 1： Method using oxidative digestion with peroxodisulfate , . 1 , , , . . , , , . (TOC) (C) 40 mg/L (COD) (O2) 120 mg/L . 2 . . ( ) . KS A ISO

3、5725 2： 2002, ( ) 2： KS M ISO 3696： 2005, 3 9.1 (N) 5 mg/L . . 0.02 mg/L . KS I ISO 11905 1:2008 2 4 . . COD 120 mg/L TOC 40 mg/L . . 2 3 C=NH . 87 % . ( B ). , . 5 , . . 4- N-(1- )-1,2- . 540 nm . 6 KS M ISO 3696 3 . 6.1 c(H2SO4) 4 mol/L (H2SO4, = 1.84 g/mL) (1100.5) mL 350 mL . (50010) mL . . . .

4、. 6.2 c(NaOH) 0.375 mol/L (15.00.5) g 900 mL . (1 00010) mL . 6 . . . 6.3 0.001 %(m/m) (K2S2O8) (5.00.1) g (H3BO3) (3.000.05) g (6.2) (1005) mL . KS I ISO 11905 1:2008 3 . 1 . . . 6.4 c(HCl) 5 mol/L (HCl, = 1.18 g/mL) (45010) mL (50010) mL . (1 00010) mL . 6 . . . 6.5 c(HCl) 0.1 mol/L (HCl, = 1.18 g

5、/mL) (10.00.5) mL 900 mL . (1 00010) mL . . . . 6.6 200 mg/L , H2NCH2COOH (1 0720.001) g 800 mL 1 L . 0 5 1 . 6.7 2 mg/L (6.6) (10.000.01) mL 1 L . . . (9.5 ) 6.8 1 . 6.9 5 (CuSO4 5H2O) (200.2) g (1 00010) mL . , 6 . 6.10 , . (250 m 425 m) (100.1) g (6.4) (500.5) mL . 3 . (6.9) (1001) mL 5 . (6.9) .

6、 , 10 . KS I ISO 11905 1:2008 4 , . 6.11 (NH4Cl) (85.00.5) g 800 mL . (6.13) (1.00.1) g (1 00010) mL . 1 . 6.12 4- (NH2C6H4SO2NH2) (400.5) g (50050) mL (H3PO4, =1.71 g/mL) (1001) mL . N-(1- )-1,2- (C10H7NHCH2CH2NH2 2HCl) (2.000.2) g . 1 000 mL . 2 5 1 . N-(1- )-1,2- , . 6.13 . . 6.14 1 000 mg/L . (K

7、NO3) ( 105 2 ) (7.2150.001) g 750 mL . 1 L . , 2 . 6.15 100 mg/L . (6.14) (50.000.05) mL 500 mL . , 1 . 6.16 100 mg/L . (NaNO2) (105 2 ) (0.4920.002) g 750 mL . (1 000 mL) . 25 . 1 . 6.17 4 mg/L . (6.16) (2.000.01) mL 50 mL . . 7 . KS I ISO 11905 1:2008 5 7.1 7.2 100 mL 125 mL 200 kPa (PTFE) (9.3 ).

8、 7.3 200 kPa 120 ( C ). 7.4 . (sampler) , , (7.5) ( ) 520 nm 550 nm 7.5 . (6.10) ( ) . (mL) (mL/min) . 8 . 2 5 48 . , (6.1) pH 2 . , 8 . 9 9.1 5 mg/L 50 mL . . TOC 2 mg COD 6 mg (1.3 ). . (7.1) . (6.3) , (pH 2) , (6.2) pH pH 9.7 . 9.2 (501) mL 1 . KS I ISO 11905 1:2008 6 9.3 (6.3) (601) mL (7.2) . (

9、7.3) (305) . . , (6.5) . . . 1 . . 9.4 50 mL (9.1) (V mL) (7.2) , (501) mL . (6.3) (10.0 0.1) mL . (1205) (305) . 60 . . , 100 mL . . 1 , 100 mL . . 2 , . . 9.5 (6.7) (50.000.05) mL 1 . 6.7 (2.000.2) mg/L . , 1 . 9.6 1 . . (6.8) . . . KS I ISO 11905 1:2008 7 1 , . 9.7 . 9.7 , 5 % (9.8) 4.0 mg/L . (9

10、.8) 4.0 mg/L 95 % . 1 . . 2 (9.8) 4.0 mg/L (6.17) 4.0 mg/L . 90 % . , . 9.8 (9.5 ). 5 50 mL (6.15) ( ) ( ) 1.0, 0.8, 0.6, 0.4, 0.2 mL . . 50 mL(9.1) 4.0, 3.2, 2,4, 1.6, 0.8 mg/L 0.2, 0.16, 0.12, 0.08, 0.04 mg . 0.60.31.20.30.30.30.3 , (mL/min) (6.11) (6.12) (5 ) (10 ) (540 mm) (7.5) KS I ISO 11905 1

11、:2008 8 9.9 . , (9.7) . (mg/L) . . . 9.9 , . . ( .), . , 5 % . , , . 15 . 10 10.1 (9.7) . (mg/L) . (9.1) 50 mL . V mL 50/V . . 10.2 A.1 . KS A ISO 5725 2 . 11 . a) b) c) d) e) f) g) , KS I ISO 11905 1:2008 9 A ( ) A.1 LAB NO. NAP Rs CVR% rs CVr% % L 17 34 2 1.989 0.071 3.558 0.047 2.364 100 O 17 34

12、1 99.263 5.692 5.734 2.776 2.796 99 M 17 34 0 7.401 0.535 7.226 0.166 2.241 R 17 34 1 15.002 0.586 3.904 0.318 2.119 96 N 17 34 0 7.179 0.463 6.447 0.141 1.960 S 17 34 0 16.941 0.900 5.313 0.202 1.195 98 P 17 34 2 7.222 0.291 4.031 0.171 2.373 Q 17 34 0 22.247 1.138 5.117 0.501 2.252 99 LAB = L = 2

13、mg/L O = 100 mg/L M = R = 8 mg/L N = S = 10 mg/L P = Q = 15 mg/L No = NAP = Rs = RCV = rs = rCV = KS I ISO 11905 1:2008 10 B ( ) mg/L min % 4 30 99101 3538 30 717 4- 0.6 3 30 30 102107 99101 4- 0.6 0.6 3 3 30 60 30 60 8893 8588 7982 7982 0.5 3 30 30 7287 7594 0.5 3 30 30 9299 98103 0.5 3 30 30 9498

14、9697 24 30 89103 24 30 8798 (III) 24 30 8499 4 30 91103 4 30 7788 1- - 24 30 9899 0.53 30 78107 KS I ISO 11905 1:2008 11 C ( ) C.1 . . A.1 . . , A.1 . C.2 , , . C.3 . 9.4 100 mL . C.4 (UV) 210 nm UV . 210 nm . 275 nm 210 nm 5 % ( ) . C.5 . UV . KS M ISO 10304 1 . KS I ISO 11905 1:2008 12 D ( ) 1 F N

15、ydahl. On the peroxodisulfate oxidation of total nitrogen in waters to nitrate. Water Research, 12, 1978. p. 1123 2 F Koroleff. Methods of Seawater Analysis. Edited by K. Grasshoff, M Ehrhardt and K Kremling, second edition, Verlag Chemie, Weinheim, 1983 3 ISO 2854： 1976, 4 KS M ISO 6060, 5 KS M ISO

16、 10304 1, , , , , , 1： 6 EN 1484： 1994, Water analysis Guidelines for the determination of total organic carbon (TOC) 1： 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS I ISO 11905 1:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Water qualityDetermination of nitrogenPart 1：Method using oxidative digestion with peroxodisulfate ICS 13.060.01