GOST ISO 1841-2-2013 Meat and meat products Potentiometric method for determination of chloride content《肉类和肉制品 测定氯化物含量的电位滴定法》.pdf

1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) ISO 1841-2 2013 (ISO 1841-2:1996, IDT) 2014 ISO 1841-22013 II , - 1.0 92 . 1.22009 . -, . , , , 1 - ( ) , 4 2 ( 116) 3 , (- 7 2013 . 43) : ( 3166) 00497 ( 3166) 00497 AM KG RU TJ UZ 4 ISO 1841-2:1996 Meat and meat produc

2、ts. Determination of chloride content Part 2: Potentiometric method ( . - . 2. ). . (en). , - , - . (IDT) 5 29 2013 . 454- ISO 1841-22013 - 1 2014 . 6 - , . () - . -, - - , 2014 -, - ISO 1841-22013 III () - ( - ). . -, - , , - . , , . , - (). , /, 3. , , - . 75 % -, . , . - - . ISO 1841-2 ISO/TC 34

3、- , SC 6 . ISO 1841 . : 1: ; 2: . ISO 1841-22013 1 Meat and meat products. Potentiometric method for determination of chloride content _ 20140701 1 - , , 0,25 %. 2 : 2.1 : , - , - . 3 . . 4 , . 4.1 . : 100 3 1 3 c(AgNO3) 0,1 /3 5 3 c (NO3) 4 /3. . 4.2 , 1 : 49. 20 3 (20= 1,40 /3) - 1000 3. 4.3 , , (

4、AgNO3) = 0,0856 /3 14,541 , 2 (150 2) . - 1000 3 . . 4.4 , (NaCl) = 0,0856 /3 5,000 , 2 (110 2) . - 1000 3 . 5 , , : ISO 1841-22013 2 5.1 , - . , - 4,5 . 5.2 (), . 5.3 , () , , , - , ( ). - . , . - . . 5.4 . 5.5 - , , , 10 700 . 5.6 50 3. 5.7 0,1 . 6 , - . ISO 1841. - ISO 3100-1*. 200 . 7 7.1 (5.1).

5、 - 25 . . 7.2 , , . () -, 24 . 8 1 (11.2) - 8.1 8.4 . 8.1 () 1000 3 50 0,1 . 8.2 8.2.1 (8.1) 450 3 (4.1). () (5.2) . - 1 2 , - . 8.2.2 250 3 (5.6) 50 3 . . 8.4. * . ISO 1841-22013 3 8.3 8.3.1 250 3 25 3 - (4.4). 50 3 50 3 (4.2). 8.3.2 (5.3) . . 8.3.3 (4.3), (5.5) , - ( ) 3( ). 50 3 . 8.3.4 , 45 . 2

6、, - . 8.3.5 (8.4). - - . , - . 8.3.6 - 0,0856 /3. 8.4 50 3 (4.2) , - 8.3 . 1 %, - 10 3. , (8.3) , , . 8.5 8.2.2 8.4, 8.2.2 . 9 mmcVVwCl12144,5850)(, wcl , ; V1 (4.3), (8.4), 3; V2 (4.3), (8.5), 3; (4.3), /3; m1 (8.2.2), ; m , . 0,1 % ( ). ISO 1841-22013 4 10 (. 5), ISO 5725*. r - R 95 %. 10.1 , - , , , , - , r, r = 0,002 + 0,033 wCl, wCl , %. 10.2 , - , , , , , R , R = 0,005 + 0,066 wCl, wCl