1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 7875 2 2 ： KS I ISO 7875 2:2011 2011 9 2 http:/www.kats.go.krKS I ISO 7875 2:2011 : ( ) ( ) ( ) : (ISO/TC147) () ( ) : (http:/www.standard.go.kr) ： ：2011 9 2 2011-0308 ： ：(ISO/TC147) ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS I ISO 7875 2:20
2、11 i ii iii 1 1 2 1 3 1 4 1 5 .3 6 .4 7 4 7.1 .4 7.2 .4 7.3 5 7.4 5 7.5 - 1-yl (sodium pyrroliding-1-yl dithiocarboxylate) 5 7.6 .5 8 .6 8.1 .6 8.2 .6 9 6 10 .7 A( ) .9 A.1 .9 A.2 9 KS I ISO 7875 2:2011 ii ( .) . KS I ISO 7875 . 1： (MBAS) 2： KS I ISO 7875 2:2011 iii 1984 1 ISO 7875 2, Water quality
3、Determination of surfactantsPart 2： Determination of non-ionic surfactants using Dragendorff reagent , . KS I ISO 7875 2:2011 2 ： Water quality Determination of surfactants Part 2： Determination of non-ionic surfactants using Dragendorff reagent 1 (Dragendorff reagent, , 1 5 30 ) (Bismuth) (BiAS, ,
4、- , - ) . , . , ( 5 000 mL). 0.05 mg/L , 250 g800 g . 2 . . ( ) . KS I ISO 5667 1, 1： KS I ISO 5667 2, 2： KS I ISO 5667 3, 3： 3 . , (KBiI4 BaCI2 ) . , -1-yl (sodium pyrrolidin-1-yl dithiocarboxylate) . ( A ). 4 KS I ISO 7875 2:2011 2 , , . 4.1 (NaCl) 4.2 (NaHCO3) 4.3 (C4H8O2), , . 4.4 (CH3OH), . 4.5
5、 (CH3COOH), 1.05 g/mL . 4.6 100 mL HCl( 1.12 g/mL) 1 mL . 4.7 HCl( 1.12 g/mL) 10 mL (4.4) 100 mL . 4.8 (H2SO4), 0.5 mol/L 4.9 250 mL ( 0.91 g/mL) 10 mL . 4.10 (ammonium tartrate, solution) ( 0.91 g/mL) 12.40 g (tartaric acid, C4H6O6) 12.40 g , 1 000 mL . 4.11 A (4.5) 20 mL 1 (BiONO3 H2O) 1.70 g 100
6、mL . (KI) 65.0 g 200 mL . 1 000 mL (4.5) 200 mL , 1 000 mL . , 1 . 4.12 B 1 000 mL 2 (BaCl2 2H2O) 290.0 g . KS I ISO 7875 2:2011 3 4.13 A(4.11) B(4.12) 2： 1 . 1 . 4.14 500 mL (NaOH) 40.0 g , (4.5) 120 mL . , 1 000 mL . 4.15 - 1-yl (sodium pyrrolidin-1-yl dithiocarboxylate), 0.5 mmol/L 500 mL -1-yl (
7、sodium pyrrolidin-1-yl dithiocarboxylate, C5H8NS2Na 2H2O) 103.0 mg , (C5H11OH) 10 mL (4.2) 0.50 g , 1 000 mL . 4.16 (II) (4.8) 50 mL (II)5 (CuSO4 5H2O) 1.249 g 1 000 mL . . 4.17 (II) (II) (4.16) 50 mL (4.8) 10 mL 1 000 mL . 4.18 (4.4) 100 mL 0.10 g . 4.19 , , SO3H+ (50 100 0.15 mm0.30 mm) 5 . 5.1 (
8、, 1 ) . , . 5.2 , 16 mm, 20 mm 5.3 , / / (250 mV ) 20 mL25 mL KS I ISO 7875 2:2011 4 , 10 wt % , . 6 KS I ISO 5667 2 KS I ISO 5667 3 . . , (4.4) . 4 , 24 . 4 40 vol % 1 vol % , 8 . , . 7 7.1 (5.1) . (0.3 g/L ), . 200 g1 000 g . 500 mL , (4.1) 100 mL (4.2) 5 g , . , 400 mL 100 g , . , (stopcock) . (4
9、.3) 100 mL , 2/3 . 20 L/h50 L/h , . . , . 5 , . 20 vol % , . . ( mL .) . 250 mL . 100 mL , 5 . , 250 mL . 25 mL . . . 7.2 KS I ISO 7875 2:2011 5 (4.4) 5 mL 40 mL . -1-yl (sodium pyrrolidin-1-yl dithiocarboxylate) 1 mL , . 7.3 (9. ), 7.1 (4.4) 5 mL , 40 mL (4.6) 0.5 mL . (4.13) 30 mL , . 10 , 5 . ( 4
10、, 40 mL) 500 mL . . , 2 mL (4.5) , , (rubber collar) . (7.4 ) . 7.4 250 mL . ( 80 ) (4.10) 10 mL . 20 mL , 20 mL 100 mL150 mL , . 7.5 - 1-yl (sodium pyrroliding-1-yl dithiocarboxylate) -1-yl (sodium pyrrolidin-1-yl dithiocarboxylate) (4.15) . (II) (4.17) 10.0 mL 100 mL, (4.14) . -1-yl (sodium pyrrol
11、idin-1-yl dithiocarboxylate) t . 21VVt = V1 ： (mL, 10 mL) V2： -1-yl (sodium pyrrolidin-1-yl dithiocarboxylate) (mL) 7.6 , (4.18) (4.9) ( ). (4.14) 10 mL , KS I ISO 7875 2:2011 6 - 1-yl (sodium pyrrolidin-1-yl dithiocarboxylate) (4.15) . . 20 mL/min , 4 cm/mL . . , . 8 8.1 10 (NP 10) . 54 , -1-yl (so
12、dium pyrrolidin-1-yl dithiocarboxylate) (4.15) 1 mL NP 10 54 g . X(mg/L) NP 10 . X043)(VtVV = V0 ： (mL) V3 ： (mL) V4 ： (mL) t ： (7.5 ) ： (54 mg/L) 8.2 0.5 mg/L1.0 mg/L (s) 10 % . 9 10 . , , . , . (7.1 ). (4.13) , . , . 20 mL (4.4) , (4.19) 10 mL (5.2) . KS I ISO 7875 2:2011 7 . 50 mL60 mL , . ( 25 )
13、 , 4： 1 . , (4.7) . . . 10 . a) b) c) d) e) ( ) KS I ISO 7875 2:2011 8 ： mm 1 (5.1 ) 100 mL G1 KS I ISO 7875 2:2011 9 A ( ) A.1 7.3 , 7.4 . 2 mL ( 1.420 g/mL) , 2 mL3 mL , . 2 . 100 mL , 100 mL . 500 mL (0.5000.005) g , ( 1.420 g/mL) 500 mL . (1, 2, 3, 4, 5) mg/L . ( ) . . , . A.2 7.3 . (501) mL 150
14、 mL 80 . , 15 mL20 mL . 15 mL , (7.3 ) . , 10 mL . , 10 mL 5 mL , . 0.02 mol/L EDTA 4 mL , 100 mL . 100 mL ( 1 ). . 20 mm , 263.5 nm . 5 mL 40 mL (0, 200, 400, 600, 1 000) g 7.3 . , 20 mm . 263.5 nm , ( 2 ) . 1 - EDTA 263.5 nm pH (29) , , pH . pH (45) KS I ISO 7875 2:2011 10 . 2 EDTA 263.5 nm , . 0.
15、030.04 . 2： 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS I ISO 7875 2:2011 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Water qualityDetermination of surfactants Part 2： Determination of non-ionic surfactants using Dragendorff reagent ICS 13.060.50 Korean Agency for Technology and Standards http:/www.kats.go.kr
