1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M 8475 ( )KS M 8475:2008 2008 10 13 http:/www.kats.go.krKS M 8475:2008 : ( ) ( ) ()MPT ( ) : (http:/www.standard.go.kr) : :1998 12 21 :2008 10 13 2008-0663 : : ( 02-509-7301) (http:/www.kats.go.kr). 10 5 , . KS M 8475:2008 ( ) Methylthymol blue C37H43N2Na
2、O13S FW: 778.81 1 ( .) . 2 . . KS M 0009, KS M 0024, KS M 8001, 3 3.1 , . , . 3.2 KS M 0024 3 400 cm1, 1 630 cm1, 1 400 cm1, 1 320 cm1, 1 220 cm1 1 020 cm1 . KS M 0024 7.2 a)( ) . 1 . CH3CH3 CH3CH3HOCH CH0 HOOCCH2HOOCCH2NH2C CH3CCH2N CH2COOHCH2COOHCH2SO3Na KS M 8475:2008 2 1 4 5. 1 . 1 (0.04 g/L, 44
3、0 nm)( ) 0.40 10.0 % 5 5.1 (0.04 g/L, 440 nm) a) 5.2 0.10 g(Sg) 0.1 mg (100 mL) 0.01 mol/L 1) (A )(5.3 ). A 4 mL( 4mg) (100 mL) 0.01 mol/L . 10 mm 440 nm (B) , 0.01 mol/L . b) SB10.0 1) 0.01 mol/L 0.1 mol/L 50 mL (500 mL) . (%) (cm 1) 3 600 3 200 2 800 2 400 2 000 1 800 1 600 1 400 1 200 1 000 800 1
4、 4001 6301 3201 2201 020 3 400 100 KS M 8475:2008 3 5.2 KS M 0009 5.1.4 d)( 4 : ) . 1 g 0.1 mg 100 mg ( 5.1 ). 5.3 5.1 A 0.20 mL( 0.2 mg) (200 mL) 0.02 mol/L 100 mL . 0.01 mol/L 2)0.05 mL 0.01 mol/L EDTA2Na 0.10 mL . 6 . 7 . a) , “ ” “ ” b) c) ( ) d) e) f) 2) 0.01 mol/L (1 mg Ca/mL) 10 mL 15 mL . () 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS M 8475:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Methylthymol blue ICS 71.040.30