KS M 8039-2008 Calcium chloride(for drying)《氯化钙(干燥用)(试剂)》.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M 8039 ( )( )KS M 8039:2008 2008 10 13 http:/www.kats.go.krKS M 8039:2008 : ( ) ( ) ()MPT ( ) : (http:/www.standard.go.kr) ： ：1975 3 25 ：2008 10 13 2008-0663 ： ： ( 02-509-7301) (http:/www.kats.go.kr). 10 5 , . KS M 8039:2008 ( )( ) Calcium chloride(for dr

2、ying) 1 ( )( .) . 2 . . KS M 8001, 3 3.1 . . 3.2 a) 0.1 g 20 mL (A ). A 5 mL (20 g/L) 1 mL . b) A 5 mL (40 g/L) 1 mL . 4 5. 1 . 1 Ca(OH)2 85.0 % 1.5 % 5 5.1 0.5 g 0.1 mg 500 mL KS M 8039:2008 2 (5 C) . 15 mL 25 mL (100 g/L) 12 mL 0.01 mol/L EDTA . HSNN , . 0.01 mol/L EDTA 1 mL 0.001 109 8 g CaCl2 .

3、5.2 Ca(OH)2 100 mL 200 mL/L 2 , 50 mL 3 1)0.02 mol/L 0.02 mol/L 2) . 1.0 g 0.1 mol/L (a mL)( 0.1 mL ). 5 0.1 mol/L 3) ( b mL). (a b) 4.05 mL . 0.1 mol/L 1 mL 0.003 704 6 g Ca(OH)2 . 6 . 7 a) , “ ( )” “ ” b) c) d) ( ) e) f) g) h) 1) . 2) pH 6.8 50 mL 100 mL 3 3) 0.02 mL . ()() 135513 7017 (02)60094114 (02)600948878 http:/ KS M 8039:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Calcium chloride(for drying) ICS 71.040.30 Korean Agency for Technology and Standards http:/www.kats.go.kr