GOST 31584-2012 Milk Spectrophotometric method for determination of total phosphorus content《牛奶 测定总磷含量用分光光度法》.pdf

1、 (ISO 9874:2006, MOD) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)315842012(ISO 9874:2006), - 1.092 . 1.22009 . -, . , , 1 - ( )2 3 , ( 412012 24 2012 .) : ( 3166) 00497 ( 3166) 00497 AZAMKGMDRUTJ-4 13 2012 . 729- 1 2013 5 ISO 9874:2006 Milk Determination of total pho

2、sphorus content Method using molecular absorptionspectrometry(. . - ) ISO 9874:2006 - 2, 1, 5, 6, 7, 10, 11, 12. - 1.5 ( 3.5, 3.6). , - , , , (). - . . (MOD). 535922009 ( 9874:2006)6 II 315842012 (ISO 9874:2006) ( ) - ., . , 2013 -, III 315842012 (ISO 9874:2006)1 .12 13 24 25 26 .37 .38 .39 .49.1 49

3、.2 .49.3 ( ) .59.4 .59.5 .510 .511 .511.1 .511.2 512 .6 () 6 () 7 7IV 315842012 (ISO 9874:2006) Milk.Spectrophotometric method for determination of total phosphorus content1 - .2 :ISO 5725-22002 ( ) . 2. -ISO 3696:1987 . 177074 ( 104283, 478880) ., , , . 311877 . . 419875 . . 420477 . . 670972 . 109

4、2976 . . 1202676 . 1990890 , , , , , . 241042001 . 2533682 . , - 2680986 . , - 2849890 . . 2916991 ( 64877) . 1 315842012 (ISO 9874:2006) 20130107 - , 1 , , . - (), () . , , , , .3 :3.1 : , , , .4 , ( ) ( ), , - 820 .5 , . - .5.1 4204,20= 1,84 /3, (H2SO4)=18/3.5.2 (2S04)=5/3 722 3 278 3- ( 5.1).5.3

5、(HCI) = 1 /3( ) 1000 3 83 3 3118 (20= 1,19 /3) 1000 3.5.4 10929 (H2O2)=9/3, .5.5 (N24)=0,1/3 2,5 24104 . 1770 100 3 , . - .5.6 (C6H8O6) = 0,25 /3 5 24104 - . 1770 100 3 -. . .5.7 1770 100 3 10 3 25 3 . .2 315842012 (ISO 9874:2006)5.8 A 48 1 (KH2PO4) 4198. 0,4394 24104 1770 1000 3 . . 100 /3.5.9 100

6、3 10 3 A 5.8. . 10 /3. .6 -, , .6.1 - c177 0,1 24104.6.2 , 100 C.6.3 ,100 C.6.4 .6.5 ( ) 25336 50 3.6.6 5 .6.7 , 19908, 55 .6.8 () , 500 C 550 C.6.9 1770 5 25 3.6.10 1770, 2- , 50, 100 1000 3.6.11 29169,2-,1,2,5103.6.12 , 820 , - 10 , , 800 850 .6.13 12026 - 11 .6.14 25336, .6.15 28498, 0,5 C 0 C 150 C.6.16 6709.6.17 ISO 3696.7 . , . 26809, - 1.8 (20 + 2) C . , - 40 C, (20 c177 2) C, .3 315842012 (ISO 9874:2006)9 9.1 9.1.1 1,5 24104 . , 8. 4 3- .9.1.2 . , . . .9.1.3 , . 2 3 (5.4) . , . , .9.1.4 2 3. , . 30 , .9.1.5 . 1003.9.1.6 23503- 25 3. 2,0 3 , .9.1.7 15 .9.1.8