1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS I 3220 KS I 3220 :2007 (2012 ) 2007 9 27 http:/www.kats.go.krKS I 3220:2007 : ( ) ( ) ( ) () ( ) : (http:/www.standard.go.kr) : :1997 6 3 :2007 9 27 :2012 12 27 : 20120787 : (ISO/TC147) ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS I 3220:2007 (2012
2、 ) Water qualityDetermination of nitrate 1:2,6 Part 1:2,6Dimethylphenol spectrometric method 1 . , ( N ) 25 mg/L . N 0.06 mg/L. N 25 mg/L 10 mm 1.5 . N 5 mg/L . , (8. ). A . 2 4 2,6 2,6 , 5 . 324 nm , . 3 . 3.1 (CH 3 COOH) 1.05 g/mL 3.2 2,6 1.2 g/L (3.1) (1 00010) mL 2,6(CH 3 ) 2 C 6 H 3 OH (1.20.1)
3、 g . 1 . 3.3 . KS I 3220:2007 . (2 L) (H 2 SO 4 )( 1.84 g/mL) (5005) mL (H 3 PO 4 )( 1.69 g/mL) . (NH 2 SO 3 H) (0.0400.005) g . , . 3.4 N 1 000 mg/L 2 105 (KNO 3 ) (7.2180.001) g 1 (1 000 mL) 750 mL . 2 . 3.5 N 100 mg/L (3.4) 50 mL 1 (500 mL) , . 1 . 1 mL 0.1 mg . 4 . 4.1 324 nm , 10 mm 5 , . 25 ,
4、. . 6 6.1 5 mL (5. ). 6.2 5 mL . 6.3 2 KS I 3220:2007 6.3.1 1 (100 mL) 6 (3.5) 1 mL, 5 mL, 10 mL, 15 mL, 20 mL 25 mL . 1 mg, 5 mg, 10 mg, 15 mg, 20 mg 25 mg . 1 . 6.3.2 , (3.3) 35 mL (100 mL) 6 . (6.3.1) 5 mL . 2,6 (3.2) 5 mL . , 1060 . 6.3.3 , 10 mm 324 nm . 6.3.4 (6.2) , (mg/L) . . 6.4 (100 mL) 1
5、(6.1) 6.3.2 6.3.3 . 7 7.1 (A 0 ) . A 0 A 1 A 2 A 1: (6.4) A 2: (6.2) A 0 N (mg/L) (6.3.4) . ( 1 ). 3 KS I 3220:2007 1 ) c(NO 3 mmol/L 3 NO mg/L Nmg/L c(NO 3 )1 mmol/L 3 NO 1 mg/L N 1 mg/L 1 0.016 1 0.081 4 62 1 4.427 14.01 0.226 1 1 mg/L , 3 NO 0.226 mg/L ( N ) . 7.2 7.2.1 2 . 1) 2 , N mg/L mg/L 3.0
6、0 6.00 9.00 12.00 24.65 0.20 0.35 0.25 0.14 0.07 4 4 4 4 19 7.2.2 3 . 1) 3 N N mg/L mg/L 2.6 5.8 10.2 15.9 0.17 0.71 0.29 0.82 21 20 18 20 8 8.1 A . , . 1) 4 KS I 3220:2007 8.2 . Ag 2 SO 4 2Cl 2AgClSO 2 4 312 mg 71 mg . 2 . . 8.3 8.3.1 4.4 g/L (Ag 2 SO 4 ) (4.400.02) g 950 mL , 1 L . . 8.4 . : . 8.5
7、 ( Cl ) (mg/L). 25 mL (50 mL) . (8.3.1) 0.05 C1mL . C1 . . (8.4) . (50 mL) . 5 mL 6. . 8.6 7.1 , ( N ) (mg/L). 25 ) 25 ( N N V N: (mg/L) V : (8.5) (mL) 9 . a) b) c) d) , e) N (mg/L) 3 NO (mg/L) c(NO 3 )(mmol/L) f) 5 KS I 3220:2007 2: 4 Part 2:4fluorophenol spectrometric method after distillation 1 .
8、 , . 5 mL 10 mm , N 45 mg/L . (8. ). N 0.22 mg/L, N 45 mg/L 10 mm 1.4 . (IV) . , , . . 2 24 4 . . 430 nm , . . 3 . 3.1 (CH 3 C 6 H 5 ) . , . . 3.2 , (Na 2 SO 4 ) (460.5) g, (NaCl) (1.50.1) g, (NH 2 SO 3 H) (2.50.1) g . 3.3 1.74 g/mL . . (2 L) (2505) mL . ( 1.84 g/mL) (750 10) mL . , . 3.4 (IV) 6 KS
9、I 3220:2007 (500 mL) (702) mL . ( 1.84 g/mL) (300 5) mL . (II)(SnSO 4 ) (60 0.5) g . 300 g/L (301) mL . , . . , , . 3.5 (IV) P (IV) (501) mL (3.3) 1 L . 3.6 (IV) Q (IV) (1001) mL (3.3) 1 L . 3.7 (IV) R (IV) (2001) mL (3.3) 1 L . 3.8 4 1,4 112 g/L 4 . . 1,4 , . . ( ) 1,4(C 4 H 8 O 2 ) (1002) mL 4 (FC
10、 6 H 4 OH) 11.2 0.1 . . 3.9 8 mL/L (5005) mL (1601) g , . . 3.10 160 g/L (2502) mL (Na 2 SO 3 ) (400.5) g . . 3.11 (3.9) (2502) mL (3.10) (1252) mL , 500 m . . 3.12 (3.11) (2002) mL 1 L , . 3.13 c(HSO 4 ) 0.5 mol/L 7 KS I 3220:2007 1 (NaHSO 4 H 2 O) (690.5) g (1 00010) mL . . 3.14 N 1 000 mg/L 2 105
11、 (KNO 3 ) (7.2180.001) g 1 (1 000 mL) 750 mL . 2 . 3.15 N 100 mg/L (3.14) 50 mL 1 (500 mL) , . 1 . 4 . 4.1 430 nm , 10 mm 4.2 (100 mL) 4.3 4.4 1 000 mL 4.5 250 mL 5 , . 25 , . . 6 6.1 5 mL (5. ). 6.2 8 KS I 3220:2007 5 mL . 6.3 6.3.1 1 (100 mL) 6 (3.15) 2 mL, 10 mL, 20 mL, 30 mL, 40 mL 45 mL . 2 mg,
12、 10 mg, 20 mg, 30 mg, 40 mg 45 mg . 1 . 6.3.2 5 mL (100 mL) 6 ( ). (3.3) 1 mL . (3.2) (1.00.1) g , . 70 80 (152) . , (IV) P, Q R(3.5, 3.6 3.7) (401) mL ( 4 ). . ( ) 4 (3.8) 2 mL , . , 2 (3.3) 5 mL . , . 4 (IV) mg/L P(3.5) Q(3.6) R(3.7) C1 7 000 7 000 C1 14 000 14 000 C1 28 000 (100 mL)() (3.11) (201
13、) mL , . , 90 mL . . . . 6.3.3 , 10 mm 430 nm . 6.3.4 (6.2) , (mg/L) . . 9 KS I 3220:2007 6.4 (100 mL) 1 (6.1) 6.3.2 6.3.3 . 7 7.1 (A 0 ) . A 0 A 1 A 2 A 1: (6.4) A 2: (6.2) A 0 , N (mg/L) (6.3.4) . ( 5 ). 5 3 NO Nc(NO 3 ) mmol/L mg/L mg/L c(NO 3 )1 mmol/L 3 NO 1 mg/L N 1 mg/L 1 0.016 1 0.071 4 62 1
14、 4.427 14.01 0.226 1 1 mg/L , 3 NO 0.226 mg/L ( N ) . 7.2 7.2.1 N 44.7 mg/L 1) 0.26( 13). 7.2.2 6 . 1) 6 N mg/L mg/L 2.6 5.8 10.2 15.9 0.37 0.39 0.88 1.18 7 5 5 6 10 KS I 3220:2007 8 7 . 7 mg/L mL mm N 2 N 120 10 2 40 50 10 , 6. . 6 . (3.15) (3.14) . 9 . 4 6.4 . . 1 , 2 (3.3) 5 mL (250 mL) . (3.1) (
15、101) mL , (51) . . (3.13) 20 1 mL , 1 . , (3.12) 100 mL . (51) , . . . 20 mL , 5 . 10 . a) b) c) d) , e) N (mg/L) 3 NO (mg/L) c(NO 3 )(mmol/L) f) 11 KS I 3220:2007 3: Part 3:Spectrometric method using sulfosalivylic acid 1 . . 25 mL ( N ) 0.2 mg/L . . 40 mm 25 mL , N 0.0030.013 mg/L . N 0.2 mg/L 25
16、mL 40 mm , 0.68 . . B . B , , (II). , 150 mg/L Pt (6.5 ). 2 . (EDTANa 2 ) . . 3 . 3.1 c(H 2 SO 4 ) 18 mol/L 1.84 g/mL . 3.2 c(CH 3 COOH) 17 mol/L 1.05 g/mL . 3.3 NaOH 200 g/L O H 2 COONa CH COOH) N(CH CH 2 2 2 2 2 50 g/L 800 mL (2002) g . (EDTANa 2 )CH 2 N(CH 2 COOH)CH 2 COONa 2 2H 2 O (500.5) g . 1
17、 L . . . 12 KS I 3220:2007 . 3.4 NaNH3 0.5 g/L 90 mL (0.050.005) g 100 mL , . . , . . ( 0.75 g/L) . H SO NH 3 2 3.5 COONa H C HO 4 6 10 g/L (1001) mL (HOC 6 H 4 COONa) (10.1) g , . . 3.6 N 1 000 mg/L 2 105 (KNO 3 ) (7.2150.001) g 750 mL . 1 (1 000 mL) . 2 . 3.7 N 100 mg/L (3.6) 50 mL 1 (500 mL) , 1 . 1 mL 0.1 mg . 3.8 N 1 mg/L (3.7) 5 mL 1 (500 mL) . . . 4 . 4.1 415 nm , 40 mm 50 mm 4.2 50 mL . , 13 KS I 3220:2007 , 6.3.2 . 4.3 6