KS H ISO 9874-2006 Milk－Determination of total phosphorus content－Method using molecular absorption spectrometry《牛乳 总磷含量的测定 分子吸收光谱法》.pdf

1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2006 11 29 http:/www.kats.go.kr KS H ISO 9874 ( ) KS H ISO 9874： 2006 (2011 )H ISO 9874： 2006 : ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ： 2001 12 31 ： 2006 11 29 ： 2011 12 29 2011-0652 ： ： ( 02-509-7273) (http:/www.kats.go.kr). 10 5 , . ICS 67.100.10

2、 KS ( ) H ISO 9874：2006(2011 ) Milk Determination of total phosphorus content Method using molecular absorption spectrometry 1992 1 ISO 9874 Milk Determination of total phosphorus content Method using molecular absorption spectrometry , . ISO 9874 ISO/TC 34 (SC 5), (IDF) (AOAC) , . A . 1. . 2. . . K

3、S L ISO 648 KS L ISO 1042 KS L ISO 4788 3. . 3.1 (m/m) . 4. . / . 820 nm . 5. . 5.1 20= 1.84 g/mL, c(H2SO4) = 18 mol/L 5.2 c(H2SO4) = 5 mol/L (5.1) 278 mL 722 mL . 5.3 c(HCl) = 1 mol/L( ) (20=1.19 g/mL) 83 mL 1 000 mL . 5.4 c(H2O2) = 9 mol/L . 5.5 c(Na2MoO4) = 0.1 mol/L 2 2.5 g 100 mL (6.10) (5.2) 2

4、 . (5.2) . 5.6 c(C6H8O6) = 0.25 mol/L 5 g 100 mL (6.10) . . H ISO 9874： 2006 2 5.7 / (5.5) 25 mL (5.6) 10 mL 100 mL (6.10) . , . 5.8 A 1 (KH2PO4) 1 g (6.14) 48 . 0.439 4 g 1 000 mL (6.10) . 100 mg/L . 5.9 B A(5.8) 10 mL 100 mL (6.10) . 10 mg/L . 6. . . 6.1 1 mg . 6.2 100 . 6.3 100 . 6.4 6.5 () 50 mL

5、 6.6 5 mm . 6.7 55 mm, . 6.8 500550 . 6.9 5 mL 25 mL KS L ISO 4788 . 6.10 50 mL , 100 mL 1 000 mL KS L ISO 1042 B . 6.11 1 mL , 2 mL , 3 mL , 5 mL 10 mL KS L ISO 648 B . 6.12 820 nm , 10 mm . 6.13 6.14 . 7. KS H ISO 7071 . . 8. (202) . 40 (202) . 9. 9.1 9.1.1 (8. ) 1.5 g 1 mg (6.5) (6.6) 3 (5.1) 4 m

6、L . 9.1.2 (6.4) , . H ISO 9874： 2006 3 . 9.1.3 . (5.4) 2 mL . , . . 9.1.4 2 mL . 30 . . 9.1.5 100 mL (6.10) . 9.1.6 2 mL 50 mL (6.10) 25 mL . / (5.7) 2 mL . 9.1.7 (6.2) 15 . 9.1.8 . 9.5 . 1 . 9.2 9.2.1 (8. ) 10 g 1 mg (6.7) . 9.2.2 100 (6.3) (6.2) . 9.2.3 500550 (6.8) . . 9.2.4 . (5.3) 23 mL 3 mL .

7、9.2.5 100 mL (6.10) . (6.13) . 9.2.6 10 mL 100 mL (6.10) . 9.2.7 2 mL 50 mL (6.10) 25 mL . / (5.7) 2 mL . 9.2.8 (6.2) 15 . 9.2.9 . 9.5 . 1 . 9.3 1.5 mL 10 mL 9.1 9.2 . 9.4 9.4.1 5 50 mL (6.10) B(5.9) 0 mL, 1 mL, 2 mL, 3 mL 5 mL 25 mL . 9.4.2 / (5.7) 2 mL . 0 g, 10 g, 20 g, 30 g 50 g . 9.4.3 (6.2) 15

8、 . 9.4.4 . 1 10 mm (6.12) 820 nm 0 g (9.4.2 ) . 50 mL 0 g . 9.4.5 (9.4.2) (g) . H ISO 9874： 2006 4 9.5 1 10 mm (6.12) 820 nm (9.1.8 9.2.9) (9.3) . 10. (9.4) . (wp) (m/m) . a) wp=01200mmb) wp=0120mm m0： (9.1.1 9.2.1) (g) m1： (g) . 11. 95 % ISO 57253 2 . 11.1 2 0.005 %(m/m) . 0.005 %(m/m) , 2 . 11.2 2

9、 0.016 %(m/m) . ISO 57253 12. . . H ISO 9874： 2006 5 A() 1 KS H ISO 707： 2006 2 Bulletin of the International Dairy Federation, 1986, No. 207 3 ISO 5725： 1986 Precision of test methods Determination of repeatability and reproducibility for a standard test method by interlaboratory tests ( ) 153787 1 92 3(13) (02)26240114 (02)2624 01489 http:/ KSKSKSSKSKS KSKS SKS KSKS SKSKS KSKSKSKS H ISO 9874： 2006 MilkDetermination of total phosphorus contentMethod using molecularabsorption spectrometryICS 67.100.10 Korean Agency for Technology and Standards http:/www.kats.go.kr