KS M 3711-2008 Determination of free ammonia in phenol-formaldehyde molding《酚醛树脂模制品中氨含量测定法》.pdf

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1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS M 3711 KS M 3711:2008 2008 10 28 http:/www.kats.go.krKS M 3711:2008 : ( ) ( ) () ()SK () ( ) : (http:/www.standard.go.kr) : : 1997 12 31 : 2008 10 28 2008-0705 : : ( 025097301) (http:/www.kats.go.kr). 10 5 , . KS M 3711:2008 Determination of free ammonia

2、 in phenol-formaldehyde molding 1 1)( .) 2) (NH3) . , . 2 . . KS A 3251 1, 1: KS A 5101 1, 1: KS L 2303, KS M 0001, KS M 0012, KS M 3340, KS M 7602, ( ) KS M 8175, ( ) KS M ISO 6353 2, 2: 1 KS M ISO 6353 3, 3: 2 3 KS M 0001 . KS M 0012 . 4 , 1) KS M 3340 . 2) NH3 , NH3 . KS M 3711:2008 2 4.1 . a) ,

3、, , , , , , . b) KS A 5101 1 250 m . c) 0.01 g 0.001 g . d) KS L 2303 (100 mL) e) KS L 2303 (100 mL) (50 mL) f) KS L 2303 1 G KS M 7602 5 A g) KS L 2303 (10 mL) (10 mL) h) KS L 2303 1 000 mL, 200 mL 100 mL i) KS L 2303 (300 mL) 4.2 . a) 1 2 . b) KS M 3711:2008 3 2 4.3 . a) b) KS M ISO 6353 2 c) 2 %

4、KS M ISO 6353 2 20 g (1 000 mL) 1 000 mL . d) EDTA KS M ISO 6353 2 (2 ) 5 g (100 mL) 100 mL . e) 5 mol/ L KS M ISO 6353 2 25 g 5 mol/L 55 mL KS M ISO 6353 2 6 mL 200 mL . . f) KS M 8175 25 g 5 mol/L 55 mL KS M ISO 6353 2 6 mL 200 mL . . g) ( 1 %) ( 5 12 %) 1 % . . B A C D IJG2D2H2G3D1H1H3G4G5C G1BAA

5、 (250 mL) B C D A B (250 mL) C D1 D2 G1 G5 H1 H3 I J 1 ( ) KS M 3711:2008 4 10 mL (200 mL) . 10 mL (300 mL) 100 mL . 1 2 g (1: 1) 6 mL 5 0.05 N . 2 mL . 10 mL . 100773001.0110200=vfaN N : (%) a : 0.05 N (mL) f : 0.05 N 0.001 773 : 0.05 N 1 mL (g) v : (mL) h) (1 mgNH3/mL) 105 2 KS M ISO 6353 2 3.141

6、g (1 000 mL) 1 L . i) (0.01 mgNH3/mL) 10 mL (1 000 mL) 1 000 mL . . j) KS M ISO 6353 2 k) KS M ISO 6353 2 l) 0.05 mol/L KS M ISO 6353 2 7.906 g (1 000 mL) 1 000 mL . m) KS M ISO 6353 3 1 g 100 mL . 5 5.1 4.1 a) 250 m . . 5.2 (50.1) g 0.01 g (100 mL) . (100 mL) 90 50 mL . 1 . . . 5.3 10 mL 1 2 (250 m

7、L) 1 g3) 2 % 10 mL . 3) . KS M 3711:2008 5 1 2 15 mL (50 mL) 25 mL . 5.4 5.3 25 mL (50 mL) EDTA 1 mL 10 mL . ( 1 %) 5 mL 50 mL . 4) 20 25 30 10 mm 630 nm . 25 mL . 5.5 (mgNH3/L) . NH3 0.005 0.1 mg ( D .) . 5.5 (0.01 mgNH3/mL) 0.5 1.0 mL 5.4 . (II) (II) 0.15 mg . 1 mg/L EDTA . , . p - . . (30 %) . 6

8、NH3 . 10SDA= A : (%) S : 5.4 NH3(mg) D : 3 , 1 KS A 3251 1 . 7 4) 20 25 . KS M 3711:2008 6 . a) , b) c) d) e) ( ) 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS M 3711:2008KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Determination of free ammonia in phenol-formaldehyde molding ICS 83.180

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