KS H ISO 15774-2007 Animal and vegetable fats and oils－Determination of cadmium content by direct graphite furnace atomic absorption spectrometry《动植物油脂 用直接石墨炉原子吸收分光光度法测定镉含量》.pdf

1、 KS H ISO 15774KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS H ISO 15774： 2007 2007 7 26 http:/www.kats.go.krKS H ISO 15774： 2007 : ( ) ( ) F&B ( ) ( ) : (http:/www.standard.go.kr) ： : 2002 9 30 : 2007 7 26 2007-0451 ： ： ( 02-509-7266) (http:/www.kats.go.kr ). 7 5 , . KS H ISO 15774： 2007 i ii 1 1 2 1

2、 3 .1 4 .1 4.1 .1 4.2 1 4.3 .1 4.4 1 4.5 (matrix modifier) 1 4.6 2 4.7 ( 5 000 mg/kg )2 4.8 2 4.9 2 4.10 .2 5 .2 5.1 2 5.2 2 5.3 .2 5.4 .2 5.5 2 5.6 .2 5.7 3 5.8 .3 5.9 (platform)3 5.10 .3 6 .3 6.1 , 3 6.2 3 6.3 .4 7 .5 8 5 8.1 .5 8.2 .5 8.3 .5 9 .5 A( ) 6 KS H ISO 15774： 2007 ii 2000 1 ISO 15774, A

3、nimal and vegetable fats and oils Determination of cadmium content by direct graphite furnace atomic absorption spectrometry , . ISO 15774 ISO/TC 34 (SC 11) . A . KS H ISO 15774： 2007 Animal and vegetable fats and oilsDetermination of cadmium content by direct graphite furnace atomic absorption spec

4、trometry 1 . 2 . . KS M ISO 3696： 2005, 3 . 228.8 nm . . 4 . 4.1 KS M ISO 3696 1 . 4.2 4.3 4.4 4.5 (matrix modifier) 0.1 %(M/V) KS H ISO 15774： 2007 2 100 mL (5.4) (4.1) 50 mL (4.4) 0.167 g , (4.3) 1 mL . 4.6 . . . 0.2 g/kg . 4.7 ( 5 000 mg/kg1) 4.8 200 mg 100 g 10 mg/kg . 4.9 (4.8) 25 mg, 50 mg, 10

5、0 mg (4.6) 100 g 2.5 g/kg, 5.0 g/ kg 10.0 g/kg . 4.10 99.99 % . 5 5.1 20 mL 50 mL . (2 mol/L) . 80 . 5.2 10 L 20 L . 5.3 5.4 100 mL 5.5 (602) . 5.6 ( ) ( ) . 1) Continental Oil Company(Ponca City, Oklahoma, USA) . ISO . .KS H ISO 15774： 2007 3 5.7 (5.6) . 5.8 . 5.9 (platform) . 5.10 ( ) . (6010) (4.

6、6), (4.9) . 40 (4.6) 1： 1(m/m) . 15 L . (4.2) (4.9) (4.6) 1： 1(M/V) . 20 L . (4.2) . 6 . 6.1 , 6.1.1 , (4.9) (4.6) 60 (5.5) . ( , 5.10 ) ( , , ) 1： 1(M/V) . . 6.1.2 (4.9) (4.6) (m/m) . 6.2 6.2.1 ( ) . 6.2.2 , , . 228.8 nm . 6.2.3 (5.6) (5.7) , . (5.9) . KS H ISO 15774： 2007 4 6.2.4 (4.2) 10 L . 1 s

7、s mL/min 1 200 30 30 300 0a 60 0 20 0 1 200 30 30 300 2 650 60 40 300 3 1 600 0 5 0 4 2 700 1 3 50 a 40 6.3 6.3.1 . 6.3.2 (5.2) (5.10) (5.7) (4.5) 20 L ( 1 , 1 ) . (4.6) 10 L ( 14 ) . 6.3.3 (5.2) (5.7) (4.5) 20 L ( 1 ) . 4.9 3 10 L . ( 14 ) . . ( , 5.10 ) . . 6.3.4 ( ) (5.2) (5.7) (4.5) 20 L ( 1 ) .

8、 10 L ( 14 ) , ( , 5.10 ) . 6.3.5 40 60 , 20 0 mL/min . (5.2) (5.7) (4.5) 20 L , . 10 L . KS H ISO 15774： 2007 5 ( , 5.10 ) . 6.3.6 2 . 7 g/kg . 2 . 8 8.1 A . . 8.2 2 5 % . 28 g/kg 1.1 g/kg 37 g/kg 1.7 g/kg 8.3 2 5 % . 28 g/kg 2.9 g/kg 37 g/kg 2.6 g/kg 9 . ( ) KS H ISO 15774： 2007 6 A ( ) 8 IUPAC ,

9、A.1 . A.1 A B A B 6 7 6 7 2 1 2 1 g/kg 7.87 1.58 7.17 2.70 g/kg 8.0 2.0 7.0 3.0 sr,g/kg 0.31 0.39 0.61 0.23 % 3.9 24.9 8.6 8.5 r (2.8sr), g/kg 0.87 1.11 1.74 0.65 sR,g/kg 0.99 0.55 0.92 0.59 % 13.2 34.8 12.9 22.0 R (2.8sR), g/kg 2.94 1.55 2.61 1.68 135513 7017 (02)60094114 (02)600948878 http:/ KS H ISO 15774： 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Animal and vegetable fats and oils Determination of cadmium content by direct graphite furnace atomic absorption spectrometry ICS 67.200.10 Korean Agency for Technology and Standards http:/www.kats.go.kr