KS B ISO 9455-3-2002 Soft soldering fluxes-Test methods-Part 3:Determination of acid value potentiometric and visual titration methods《软钎焊剂 试验方法 第3部分 酸值测定 电势法和目测滴定法》.pdf

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1、 KS B ISO 9455-3 KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS 3 : - , KS B ISO 9455-3 : 2002 (2012 ) 2002 10 26 http:/www.kats.go.kr B ISO 9455 3: 2002 : ( ) ( ) () () () ( ) : (http:/www.standard.go.kr) : :2002 10 26 :2012 12 31 20120859 : : ( 02-509- 7274) (http:/www.kats.go.kr). 10 5 , . ICS 25.160.5

2、0 KS B ISO 3: , 9455 3: 2002(2012 ) Soft soldering fluxesTest methodsPart 3: Determination of acid value, potentiometric and visual titration methods ISO 9455 3 Soft soldering fluxes Test methods Part 3: Determination of acid value, potentiometric and visual titration methods . 1. ISO 9454 1 type 1

3、type 2 2 . A , . B , . 2. . . ISO 9454 1 Soft soldering fluxes Classification and requirements Part 1 : Classification, labelling and packaging ISO 9455 1 Soft soldering fluxes Test methods Part 1: Determination of non-volatile matter, gravimetric method ISO 9455 2 Soft soldering fluxes Test methods

4、 Part 2: Determination of non-volatile matter, ebulliometric method 3. A: 3.1 . , pH mV . (滴定 ) pH mV . 1.1.3 1.2.3 (ISO 9454 1 ) , ISO 9455 1 ISO 9455 2 . 3.2 . 3.2.1 (CH3CH2CH2CH2)4N(OH) 0.1 M(0.1 mol/L) . , , (thymol blue) (dimethylformamide, C3H7NO) (benzoic acid) 0.5 g . 3.2.2 (2)(CH3)2CHOH) (t

5、etrabutyl ammonium hydroxide solution)(3.2.1) . B ISO 9455 3: 2002 2 3.2.3 (C2H5OH), , (3.2.1) . 3.2.4 (C6H5CH3) (3.2.1) . 3.2.5 /(ethanol/toluene) (3.2.3) 1: 1 . 3.3 . 3.3.1 pH 3.3.2 3.3.3 () / 3.3.4 . 3.4 , , / . , . 4 . 3 , . 0.5 g, 2.0 g 0.001 g , 250 mL . 100 mL , . , . , 1 mL pH mV pH V . 0.1

6、mL . pH (滴定 ) , ( ) . . (空試驗 ) . 3.5 (酸價 ) , g mg . ( g mg .) . mSVM6115 V : (mL) M: m: (g) S: (%) ISO 9455 1 ISO 9455 2 . S = 100 . 3 . B ISO 9455 3: 2002 3 4. B: (滴定法) 4.1 , , / . . 1.1.3 1.2.3 (ISO 9454 1 ) , ISO 9455 1 ISO 9455 2 . 4.2 . 4.2.1 (C2H5OH), , 0.1 mol/L . 4.2.2 , 0.1 mol/L . 4.2.3 /

7、(4.2.1) 1: 1 4.2.4 (2) , 0.1 mol/L . 4.2.5 0.1 mol/L 1 L 0.1 mL, . , 0.1 mol/L ( ) 500 mL 30.1 g KOH , 0.5 g . 4.2.6 1 g 50 mL , 100 mL . 4.3 . 4.4 , , , , / . , . 4 , . 3 . , (ISO 9455 1 ISO 9455 2 .) 1 g 0.001 g . , 100 mL . . . 3 (4.2.6) , (4.2.5) (滴定 ) 15 , . . 4.5 (酸價 ) , g mg . ( g mg ) . mSVM

8、6115 V : (mL) M: m: (g) B ISO 9455 3: 2002 4 S: (%) ISO 9455 1 ISO 9455 2 , 100 . 5. 5.1 A ISO 9455 3 A 8 . g 170 230 mg KOH 5 (g mg .). a) (sw): 1.0 (sb): 3.6 b) r: 3.0 c) R: 10.0 5.2 B ISO 9455 3 B 5 . g 160 300 mg KOH 9 (g mg .). a) (sw): 2.1 (sb): 5.8 b) r: 5.8 c) R: 16.1 6. . a) b) ( A B ) c) d

9、) e) 3: , 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS B ISO 9455-3: 2002KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Soft soldering fluxes Test methods Part 3: Determination of acid value, potentiometric and visual titration methods ICS 25.160.50 Korean Agency for Technology and Standards http:/www.kats.go.kr

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