GOST R 55228-2012 Food additives Method of the mass determining of citric acid and concomitant acids in production of citric acid《食品添加剂 为生产柠檬酸的柠檬酸和伴随酸质量测定方法》.pdf

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2、82008 . 1. . 12.0.00490 . - . 12.1.00491 . . 12.1.00588 . - 12.1.00776 . . 12.2.007.075 . . 12.4.00983 . -. . 12.4.02175 . . 12.4.10383 . , . 45077 . 127775 . . 177074 ( 104283, 478880) . -, , , . 1 552282012 311877 . . 376079 . . 377372 . . 420477 . . 432877 . . 451787 . , - 453076 . . 4919.177 . -

3、 571278 . 1-. 670972 . 1202676 . 1491983 , . - 1848181 . 2049075 . . 2533682 . , 25794.183 . - 25794.283 . - 2775288 - , -. 2849890 . . 2916991 ( 64877) . 2922791 ( 835-181) . . 1. 2925191 ( 381-184) . . 1. - - , 1 , -, . (), - () . , , , , .3 3.1 , - , . . , , .3.2 3.2.1 12.1.007 12.4.103.3.2.2 , ,

4、 - 12.4.021.2 5522820123.2.3 12.2.007.0 12.1.019.3.2.4 12.0.004.3.2.5 12.1.004 12.4.009.3.2.6 , - 12.1.005.3.3 :- 2025;- .40%90%;- .220;- 4951. .3.4 , , , 53228, c177 0,003 . 0 100 , 1 28498. - 27752. 14919. . 1100(1000,500)2 1770. -125034 25336. -1250 , -1100 25336. 1-16120 25336. 1(3)1001, 1(3)250

5、1 1770. 1,5,10 31- 29227. 5, 10, 15, 20, 25, 50,100 31- 29169. -3680 25336. I32250,1 29251. -1 18481. , , . . . 3760, . . . 3118, . 6709. 4204, . 3773, . . 1- 5712. 1277, . . 20490, . . 450. 4530, . . (). 4328, . . , - - , .3.5 . -3 552282012 . 500 3 250 3. , 250 3 , , 250 3. 80 , - . , .3.6 3.6.1 -

6、 10 3 250 3,- ( ). 20 3 - 250 3, (75 c177 5) 3 (NaOH) = 0,1 /3, - 25794.1, , 20 . , - (1), 80 /3, 25 3 - , 10 3. - , /3, C =0007 1000 250 17501212, VVVVVVc215c61 , (1) 0,007 , 1 3 - (NaOH) = 0,1 /3, /3;V , , 3;1000 33;V1 , , 3;V2 , , 3;2502V 3.5. . ,/3, , : , - = 95 %, r = 1,00 /3. , = 95 %, R = 2,00 /3. = 95 % - c177 1,5 /3.3.6.2 - , (1), - 20 50 3 , 1 2 .3.6.3 11,1 % 100 3 (11,10 c177 0,01) 88,90 3 . 15 25 1 .3.6.4 125 /3 ( ) 1000 3 500 3. , .4 552282012 15 25 1 .3.6.5 1 % 4919.1.3.6.6 1 % 100 3 - (1,00 c177 0,01) , . 15 25 1 .3.6.7