KS M 8491-2008 L-Valine《L-缬氨酸(试剂)》.pdf

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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M 8491L ( ) KS M 8491:2008 2008 10 13 http:/www.kats.go.krKS M 8491:2008 : ( ) ( ) ()MPT ( ) : (http:/www.standard.go.kr) : :1998 12 31 :2008 10 13 2008-0663 : : ( 02-509-7301) (http:/www.kats.go.kr). 10 5 , . KS M 8491:2008 L ( ) L Valine 1 L- ( L- .) .

2、2 . . KS M 0006, KS M 0009, KS M 0024, KS M 0034, , , KS M 8001, 3 3.1 L- , . 3.2 KS M 0024 2 950 cm 1, 2 090 cm 1, 1 580 cm 1, 1 500 cm 1 1 260 cm 1 . KS M 0024 7.2 a)( ) . 1 . C5H11NO2FW: 117.15 KS M 8491:2008 2 4 L- 5. 1 . 1 ( ) ( ) (105 ) ( ) (Cl) (SO4) (Pb ) (As) (Fe) (NH4) 99.0 % 27.0 28.5 0.2

3、 % 0.05 % 0.02 % 0.02 % 0.001 % 1 ppm 0.001 % 0.02 % 5 5.1 ( ) 5.4 0.2 g 0.1 mg (98 %) 3 mL 1)50 mL . 1) KS M 8001 5.4( ) f) 5) . (%) 1 20 D 3 600 2 800 2 000 1 8001 600 1 400 1 200 1 000 800 1 2602 0900 1 580 1 500100 2 950 (cm 1)KS M 8491:2008 3 0.1 mol/L ( ) KS M 0034 6.( ) . . 0.1 mol/L ( ) 1 mL

4、 0.011 715 g C5H11NO2 . 5.2 1 g 20 mL . 5.3 ( ) 105 3 4 g 0.1 mg (50 mL) (1: 1) . KS M 0006 4.( ) . 1525 . t , ( 0.04) 20 . = 0.04(20 t) 5.4 (105 ) KS M 0009 5.1.4 a)( 1: ) . 1 g(0.1 mg .) 105 3 2 mg ( 5.1 ). 5.5 ( ) KS M 0009 5.4.4 d)( 4: ) . 2.0 g 1 mg . 5.6 (Cl) a) 0.5 g 10 mL, (1: 2) 5 mL 25 mL

5、. 5.0 mL( 0.1 g) 20 mL . b) 2 mL (1: 2) 1 mL, (0.01 mg Cl/mL) 2.0 mL 20 mL . c) KS M 8001 6.7 a)( ) . 5.7 (SO4) a) 0.3 g (2: 1) 0.3 mL 25 mL . b) (0.01 mg SO4/mL) 6.0 mL (2: 1) 0.3 mL 25 mL . c) KS M 8001 6.15 a)( ) . 5.8 (Pb ) 20 D 20 D t D KS M 8491:2008 4 a) 1.0 g 10 mL . b) (0.01 mg Pb/mL) 1.0 m

6、L 10 mL . c) KS M 8001 6.24 c)( ) 3) . 5.9 (As) a) 1.0 g (100 mL) 20 mL . b) (0.001 mg As/mL) 1.0 mL (100 mL) 20 mL . c) KS M 8001 6.19 c)N, N- (AgDDTC ) . 5.10 (Fe) a) 1.0 g (2: 1) 1 mL 15 mL . b) (0.01 mg Fe/mL) 1.0 mL (2: 1) 1 mL 15 mL . c) KS M 8001 6.22 b)(1, 10- ) . 5.11 (NH4) a) 0.5 g 1 g 80

7、mL . b) (0.01 mg NH4/mL) 10 mL 1 g 80 mL . c) KS M 8001 6.11 e)( ) . 5.12 KS M 8001 6.25.1( ) . a) b) 0.20 g 50 mL . 0.005 mL( 20 g) . c) 1-: = 5: 2: 1( ) d) 10 cm e) 100 30 . 80 10 . f) 6 . 7 . a) , “L- ” “ ” KS M 8491:2008 5 b) c) ( ) d) e) f) L () 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS M 8491:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS L-Valine ICS 71.040.30

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