1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS L 1557 KS L 1557 :2010 2010 10 26 http:/www.kats.go.krKS L 1557:2010 : ( ) ( ) L H K C C () () ( ) : (http:/www.standard.go.kr) : :1974 12 27 :2010 10 26 2010-0462 : : ( 02-509-7300) (http:/www.kats.go.kr). 10 5 , . KS L 1557:2010 Porcelain combustion tu
2、bes for chemical analysis 1 ( .) . 2 . . ( ) . KS B 52031, 1: 0.1 mm 0.05 mm KS B 5246, KS M 8001, 3 , , 1 . 1 , CT 0 1 650 1 CT 1 1 550 2 CT 2 1 450 . 4 4.1 , , . 4.2 6. , 2 . KS L 1557:2010 2 2 . 0.133 kPa(1.0 mmHg) 5 mm . 1 0.02 mg . 1 0.05 mg . 5 1 3 . 1 3 :mm D 25 30 1 1 d 20 24 1 1 L 600, 700,
3、 1 000 600, 700, 1 000 2 2 6 6.1 . 6.2 KS B 52031 0.05 mm . KS B 5246 0.5 mm . 6.3 1 450 ( 90 mm , 200 mm , .) 1 000 mm , 10 . 3 . 6.4 KS L 1557:2010 3 1 30 , 1.33 kPa(10 mmHg) , 10 . 6.5 600 mm 1 6.3 500 mm 3 , . 6.6 . a) , 1 450 30 mm . b) 1 450 1 500 mL 60 , 10 1) 2) 0.01 mol/L 3) . . SV f 0.32 S
4、 :(mg) V :0.01 mol/L (mL) f :0.01 mol/L 6.7 . a) , 1 450 30 mm , . b) 1 350 200 300 mL 60 , 10 0.01 mol/L 3) 4) 0.005 mol/L 5) . 200 300 mL 10 0.005 mol/L . . C(V 1 V 2 )f 0.12 1) (30 %) 3.5 mL 1 000 mL . 0.01 mol/L 0.01 mol/L . 2) 0.125 g 0.083 g (95) 100 mL . 3) 1 mol/L 100 . 1 mol/L , KS M 8001 .
5、 4) 0.5 g (95) 100 mL . 5) 0.05 mol/L 10 . 0.05 mol/L KS M 8001 . KS L 1557:2010 4 C :(mg) V 1 : 0.005 mol/L (mL) V 2 :0.005 mol/L (mL) f : 0.005 mol/L 7 4. 5. 6. . 8 , , . 25 mm20 mm600 mm CT 0 25 mm20 mm600 mm 9 . a) b) c) 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS L 1557 :2010 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Porcelain combustion tubes for chemical analysis ICS 71.040.20;81.060.20 Korean Agency for Technology and Standards http:/www.kats.go.kr