KS D ISO 3110-2002 Copper alloys－Determination of aluminium as alloying element－Volumetric method《铜合金 合金元素铝含量的测定 滴定法》.pdf

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1、 KS D ISO 3110 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS (2007 ) 2002 11 28 http:/www.kats.go.kr ICS 77.120.30 KS D ISO 3110 2002 (2007 ) Copper alloys Determination of aluminium as alloying element Volumetric method 1975 ISO 3110 1975(E)(Copper alloys Determination of aluminium as alloying element

2、Volumetric method) , . . ISO , . pH 6 . . . ( 1.40 g/mL) 50 mL 50 mL . 0.2 M 0.05 M ( 99.9 % ) 3.177 g ( ) 20 mL 1 L . 2 5 g/L 4 Mn(NO 3 ) 2 4H 2 O 4.55 g 1 L ( 1 mL 1 mg .) ( 1.19 g/mL) 50 mL 50 mL . 30 %(m/m) 100 mL 10 g . 1.74 g/mL 1.40 g/mL D ISO 3110 2002 2 , (2 10A) , 1 M 2 V . . 1 mm . 10 mm

3、2 , 0.4 cm . ISO . 250 mL 0.200 0 g 5 mL ( ) 3 mL . 1 2 mL , 25 mL . , . . ( ) 1 mL, EDTA ( ) 22 mL ( ) pH 6.0 6.2 ( 0.5 % ). 5 . , ( ) ( ) EDTA . , . 100 mV ( , V 1 ). ( ) 20 mL . pH ( ) . 2 . , EDTA( ) ( ) ( , V 2 ). (MnO 2 ) . (1 5) . . ( EDTA ) ( EDTA EDTA ) . 250 mL 0.500 0 g 5 mL ( ) 3 mL . 1

4、2 mL , 25 mL ( ) 1 mL, EDTA 42 mL ( 0.5 % ). . 1 % 2 (microburette) . 250 mL 0.200 0 g D ISO 3110 2002 3 25 mL ( ) ( ) 5 mL . . 5 . 150 mL , . 50 mL . , , ( ) 2 5 mL 20 mL 1 . 1 mL 10 mL . . . 250 mL , , 5 mL . ( ) 5 mL ( ) 5 mL . 1 mL 25 mL . . 250 mL 0.500 0 g 30 mL ( ) , ( ) 10 mL . . , , . / . 1

5、 % 2 . (%) . Al %(m/m) 0.674 5(V 2 V 1 ) Al %(m/m) 0.270(V 2 V 1 ) V 1 (mL) V 2 (mL) . 4 KS D ISO 3110 2002 , . KS Na 2 EDTA Na 2 EDTA pH 6 . (KS) (ISO) , . 1975 ISO 3110(Copper alloys Determination of Aluminium as alloying element Volumetric method) , “ ” . SI . . , Na 2 EDTA , pH 6.0 6.2 Na 2 EDTA . , , , Na 2 EDTA , pH 6.0 6.2 Na 2 EDTA . KS D ISO 3110 : 2002 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Copper alloys Determination of aluminium as alloying element Volumetric method ICS 77.120.30 Korean Agency for Technology and Standards http:/www.kats.go.kr