KS H ISO 12193-2007 Animal and vegetable fats and oils－Determination of lead by direct graphite furnace atomic absorption spectroscopy《动植物油脂 直接石墨炉原子吸收光谱法测定铅含量》.pdf

《KS H ISO 12193-2007 Animal and vegetable fats and oils－Determination of lead by direct graphite furnace atomic absorption spectroscopy《动植物油脂 直接石墨炉原子吸收光谱法测定铅含量》.pdf》由会员分享，可在线阅读，更多相关《KS H ISO 12193-2007 Animal and vegetable fats and oils－Determination of lead by direct graphite furnace atomic absorption spectroscopy《动植物油脂 直接石墨炉原子吸收光谱法测定铅含量》.pdf（13页珍藏版）》请在麦多课文档分享上搜索。

1、 KS H ISO 12193KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS ( )KS H ISO 12193： 2007 2007 10 24 http:/www.kats.go.krKS H ISO 12193： 2007 : () ( ) F&B () ( ) : (http:/www.standard.go.kr) ： ：2002 9 30 ：2007 10 24 2007-0858 ： ： ( 02-509-7266) (http:/www.kats.go.kr ). 7 5 , . KS H ISO 12193： 2007 i ii 1 1 2

2、1 3 .1 4 .1 4.1 1 4.2 .1 4.3 .1 4.4 2 4.5 2 4.6 (Matrix modifier) 2 4.7 .2 5 .2 5.1 2 5.2 .2 5.3 .3 5.4 3 5.5 .3 5.6 3 5.7 .3 5.8 ( ) 3 6 3 7 3 8 3 8.1 4 8.2 .4 8.3 .4 9 .5 10 5 10.1 .6 10.2 .6 11 .6 A( ) 7 KS H ISO 12193： 2007 ii 1994 1 ISO 12193, Animal and vegetable fats and oils Determination of

3、 lead content Graphite furnace atomic absorption method , . ISO 12193 ISO/TC 34 (SC 11) . A . KS H ISO 12193： 2007 ( ) Animal and vegetable fats and oilsDetermination of lead by direct graphite furnace atomic absorption spectroscopy 1 ( ) ( 0.001 mg/kg) . 2 . . KS H ISO 661, KS H ISO 5555, KS M ISO

4、3696： 2005, 3 . 283.3 nm . 4 , KS M ISO 3696 2 . 4.1 4.2 2 % . 4.3 KS H ISO 12193： 2007 2 (5.1 ) . 1 g/ kg . 1 g/kg . 4.4 (4.3 ) 10 mg/kg . Continental Oil Company(Ponca City, Oklahoma, USA) (Conostan, 5 000 mg/kg) Merck(D-1600 Darmstadt, Germany)(1,000 mg/kg)1) . 4.5 (4.3 ) (4.4 ) 0.020 mg/kg, 0.05

5、0 mg/kg 0.100 mg/kg . 4.6 (Matrix modifier) 2 % 2 g 100 mL . Unimills Zwijndrecht(Netherlands) Verein Deutscher Oelfabriken(D 6800 Mannheim, Germany)(Bolec M) Lucas Meyer GmbH & Co.(D 2000 Hamburg, Germany)1) . 4.7 99.99 % . . 2 300 . 5 . 5.1 20 mL . c(HNO3)=1 mol/L 80 . 5.2 20 L 1) ISO . KS H ISO 1

6、2193： 2007 3 5.3 5.4 (602) . 5.5 “ ” “ ” (0.2 ) . (Zeeman) 2). 5.6 (5.5 ) . 5.7 . 5.8 ( ) . . 2 . 6 1.5 g . . KS H ISO 5555 . 7 KS H ISO 661 . . 8 2 . 2) ISO .KS H ISO 12193： 2007 4 8.1 8.1.1 (5.5 ) . 8.1.2 , , . 283.3 nm . 8.1.3 (5.5 ) (5.6 ) 1 . 1 . , ( n ) 1： 2(m/m) . (5.8 ) (5.7 ) . . 2 . 1 s s

7、mL/min 1 2 3 4 100 650 1 900 2 700 10 60 0 1 20 40 5 3 300 300 0 50 1 2 3 4 200 650 1 700 2 700 10 60 0 1 20 40 5 3 300 300 0 50 8.1.4 20 L . . 8.2 8.2.1 , (4.3 ) (4.5 ) 60 (5.4) 15 . 8.2.2 . 8.3 8.3.1 . KS H ISO 12193： 2007 5 8.3.2 (5.1 ) (8.2.1 ) 5.00 g (4.6 ) 5.00 g . 20 L . 8.3.3 3 (5.1 ) (8.2.1

8、 ) 5.00 g (4.6 ) 5.00 g . 3 20 L . . 8.3.4 (5.1 ) (8.2.1 ) 5.00 g (4.6 ) 5.00 g . 20 L . 8.3.5 (mg/kg) (8.3.2 ) (8.3.3 ) . . 9 9.1 . 9.2 . kg mg . 10 1988 (IUPAC) ISO 57253) . 20 . 95 % . 3) ISO 5275： 1986, Precision of test methods Determination of repeatability and reproducibility for a standard t

9、est method by inter-laboratory tests(now withdrawn) KS H ISO 12193： 2007 6 10.1 2 2 r . r 2 . 10.2 2 2 R . 11 . ( ) . . 2 (r) (R) r R 0.19pbw 0.30pbw wpb 0.1 0.15pbw 0.68pbw pbw (mg/kg). KS H ISO 12193： 2007 7 A ( ) A.1 A B C A B C Outlier Outlier ( ) 14 6 112 14 6 112 14 6 112 16 4 128 16 4 128 16

10、4 128 (mg/kg) 0.087 0.085 0.053 0.050 0.022 0.020 0.087 0.085 0.054 0.050 0.026 0.020 Sr(mg/kg) (%) (r)(2.8Sr) 0.005 9 6.8 0.017 0.003 4 6.4 0.009 5 0.002 210.1 0.006 20.003 9 4.5 0.011 0.003 1 5.7 0.008 7 0.001 35.0 0.004 SR(mg/kg) (%) (R)(2.8SR) 0.008 9 10.2 0.025 0.005 7 10.9 0.016 0.003 415.4 0.

11、009 0.018 0 20.6 0.050 0.011 7 21.7 0.033 0.007 327.7 0.020 ( ) 135513 7017 (02)60094114 (02)600948878 http:/ KS H ISO 12193： 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Animal and vegetable fats and oils Determination of lead by direct graphite furnace atomic absorption spectroscopy ICS 67.200.10 Korean Agency for Technology and Standards http:/www.kats.go.kr