KS I ISO 13358-2008 Water quality－Determination of easily released sulfide《水质 易释放硫化物的测定》.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 13358 KS I ISO 13358:2008 2008 8 7 http:/www.kats.go.krKS I ISO 13358:2008 : ( ) ( ) ( ) : (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 13358:2008 Water quality Determina

2、tion of easily released sulfide 1997 1 ISO 13358, Water quality Determination of easily released sulfide . 1 0.04 mg/L1.5 mg/L . . , . , . . . 2 . 2 mg/L 20 mg/L 900 mg/L 900 mg/L 700 mg/L 10 mg/L 1 mg/L . 3 . . KS M ISO 5667 3, 3： KS M ISO 10530, KS I ISO 13358:2008 2 4 . pH 4 ( .) . p (leucometyle

3、ne blue) , 3 . 665 nm . 5 , 2 . 5.1 (H2SO4) 1.84 g/mL 5.2 c(NaOH) 2 mol/L 5.3 (2 )Zn(CH3COO)2 2H2O 20 g 1 L . . 5.4 w 0.1 % 5.5 EDTA (2 )(C10H14N2Na2O8 2H2O) 100 g 940 mL . 5.6 pH 4.0 0.1 (C8H5KO4) 80 g 920 mL . pH c(NaOH) 1 mol/L c(HCl)=1 mol/L pH 4.0 . 5.7 1 000 mL N, N 1, 4 (C8H14Cl2N2) 2 g 200 m

4、L . (5.1) 200 mL . 5.8 500 mL (12 ) NH4Fe(SO4)2 12H2O 50 g (5.1 KS I ISO 13358:2008 3 ) 10 mL . 5.9 1 000 mL Na2S xH2O(x 79) , 0.5 g w 0.5 % . ( 0.01 mol/L) (KS M ISO 10530 A ) . . 23 . 5.10 (5.9 ) 10 mL 1 000 mL . 1 mL 5 g . . . 6 6.1 500 mL . 6.2 (stripping) ( 1 ) . 250 mL (100 mL) . 6.3 25 mL 500

5、 mL . 6.4 50 mL, 100 mL, 500 mL 1 000 mL . 6.5 1 mL 10 mL . 6.6 1 mL, 2 mL, 5 mL, 10 mL, 20 mL, 50 mL 100 mL . 6.7 (dispenser) KS I ISO 13358:2008 4 6.8 6.9 99.996 %(V/V) . 6.10 40 L/h . 6.11 pH . 6.12 665 nm . 6.13 10 mm . KS I ISO 13358:2008 5 a) b) ： 29/32 ： 14/23 1 10/19 2 14/23 3 14/23 4 ( 0.5)

6、 ( 16) 5 6 29/32 7 1 7 KS . KS M ISO 5667 3 . KS I ISO 13358:2008 6 (5.3 ) 10 mL (6.1 ) . 490 mL . (5.4 ) (5.2 ) . pH 8.59 . 72 . (4 ) . 8 (5.6 ) 25 mL EDTA (5.5 ) 5 mL ( 1 ) . (5.3 ) 20 mL . , 40 L/h 10 . 7. 5 . ( 50 mL) . 60 40 L/h . (5.7 ) 10 mL (5.8 ) 1 mL . 10 . 100 mL . (6.12 ) 665 nm . . AS0(

7、9. ) . 1.5 mg/L , . (subsample) . 9 1 cm . . (5.10 ) , KS I ISO 13358:2008 7 . 0.2 mg/L 0.7 mg/L . 100 mL 7 (5.3 ) 20 mL . 6 (5.10 ) 4 mL, 6 mL, 8 mL, 10 mL, 12 mL 14 mL , 7 . (5.7 ) 10 mL (5.8 ) 1 mL 40 mL . . 1020 665 nm . . 0( )； 0.2 mg/L； 0.3 mg/L； 0.4 mg/L； 0.5 mg/L； 0.6 mg/L 0.7 mg/L 5.9 . , .

8、 . , . b L/mg . As0 . . . . 10 (mg/L) . ()312s0sVVbVfAA= As ： As0 ： f ： (mL) . f 100 mL V2 ： (mL). V2 500 mL b ： 9. (L/mg) V1 ： (mL). V1 490 mL V3 ： (mL) . 11 KS I ISO 13358:2008 8 0.01 mg , 2 . , 0.55 mg/L 12 . a) b) c) 11. d) e) 13 . . ( CV ) 0.97 mg/L1.22 mg/L . A.1 4.9 %5.3 % . (R) . . . . A . K

9、S I ISO 13358:2008 9 A ( ) A.1 1991 . A.1 L LaN NaNAP % xSoll mg/Lx mg/LREC% sR mg/L CVR % sr mg/LCVr % 7 6 24 4 14.3 0.971 0.959 98.8 0.051 5.3 0.019 1.9 7 6 24 4 14.3 1.222 1.240 101 0.061 4.9 0.036 2.9 L La (outlier) N Na (outlier) ( 2) NAP (outlier) xSoll x REC sR CVR Sr CVr 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS I ISO 13358:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Water qualityDetermination of easily released sulfide ICS 13.060.01