GOST 32919-2014 Juice products Determination of trace quantities of methanol《果汁产品 甲醇痕量的测量》.pdf

1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) 32919 2014 2014 329192014 II , - 1.092 . 1.22009 . -, . , , , 1 () 2 3 , (- 14 2014 . 72-) : ( 3166) 00497 ( 3166) 00497 AM KZ KG RU 4 19 2014 . 1665- 329192014 01 2016 . 5 - , . () - - . , , 2014 -, - 329192014 1 Juice

2、products. Determination of trace quantities of methanol 2016 01 01 1 , - ( -) . 5 250 1 . 2 - : 8.31597 . - . 12.1.00491 . . 12.1.00588 . - 12.1.00776 . . 12.1.01979 . . - *1 OIML R 76-12011 . - . 1. . 177074 ( 104283, 478880) . -, , , . 302280 . ISO 36962013 . -*2 5725-12003 ( ) -. 1. *3 5725-62003

3、 ( ) -. 6. * / 170252009 - 1743380 . . 2631384 . , 2667185 , -. *1 12.1.0192009 - . . .*2 525012005 -. .*3 5725-12002 ( ) . 1. .*4 5725-62002 ( ) . 6. . 329192014 2 2670393 . - 2831189 . - - , 1 , - . (), - () . , , , , . 3 3.1 (calibration function): - , , . 3.2 (internal standard): , , - - , . 4 8

4、0 - , - - . - . 30 . 5 , , , 5.1 , - , -, , , - . - 26703. 5.2 30 0,25 , , - , 0,25 .* 5.3 OIML R 76-1, 210 0,0005 . 5.4 2-50-2, 2-100-2 1770. 5.5 28311, c 20 1000 3, 1 %, . 5.6 () - .* 5.7 () 10 3, . 5.8 . 5.9 0,45 . 5.10 . * Restek Stabilwax-DA. , - . *1 1 % 6.3. . 329192014 3 5.11 1000 g, 15 3. 5

5、.12 15 3. 5.13 , 99,9 %. 5.14 2- ( )*,1 99,8 %. 5.15 ISO 3696, 2- . 5.16 - , , - 10 1. 5.17 3022, , 99 %. . 5.18 17433, 0. , . , , , - , -. 6 26313, 26671. 7 26703. , , - . . 7.1 , - () . . 7.2 - , 2- 1,5. - . : - 40 ( 4 ), 20 / 220 ( 1 ); - () (180 2) ; - (250 2) ; - - (2 1) 3/; - (40 1) 3/; - (400

6、 1) 3/; - () (30 1) 3/; - 1:30. 7.3 - (80 1) ; - (85 1) ; - 80 (5 1) ; - 650 /; - 100 3/; *1 , - C3OH, 7.4. 329192014 4 - 700 3/; - (250 25) 3. 7.4 7.4.1 1 % 100 3 (1,00 0,01) 2- - , . 4 . 7.4.2 0,01 % 100 3 0,1 3 , 7.4.1, . . 7.4.3 - . 50 3, 2, - , , - 20 . . 0,001 . 2 , (i = 1 N) Xi, 1 , m,i, , 3 1 2 0,100 50,0 2 10 0,500 3 50 2,500 4 100 12,50 5 250 25,00 , , 10 %. 7.4.4 i- X,i, 1, ,i,i mX m, (1) mi , i- , ; m i- , . 7.4.5 (20,0 0,5) . 8 8.1 . 8.1.1 (0,250 0,025)