GOST EN 13466-1-2013 Fertilizers Determination of water content (Karl Fischer methods) Part 1 Methanol as extracting medium《肥料 水含量的测定(卡尔费休滴定法) 第1部分 甲醇为萃取介质》.pdf

1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) EN 13466-1 2013 ( ) 1 (EN 13466-1:2001, IDT) 2014 EN 13466-12013 II , 1.0-92 . 1.2-2009 . , . , , , 1 - , , ( ) , 4 2 527 3 , ( 14 2013 . 44-2013) : ( 3166) 004-97 ( 3166) 004- 97 KZ MD RU TJ UZ - 4 EN 13466-1:2001 Ferti

2、lizers Determination of water content (Karl Fischer methods) Part 1: Methanol as extracting medium (. ( ). 1. ). CEN/TC 260 . (en). , , , , . . - (IDT) 5 22 2013 . 736- EN 13466-12013 1 2015 . 6 EN 13466-12013 III , . () . , , 2014 , EN 13466-12013 IV . : , . . EN 12048 EN 12049 . . , , , . , , 2-.

3、EN 13466 . ( ) : - 1: ; - 2: 2- . 2- , , , , : (Ca(NO3)24H2O); (CaHPO42H2O); (, CaSO42H2O); (CaSO40,5H2O); (MgSO47H2O); (1/1/2,75, , KClMgSO42,75H2O); - (, K2SO4MgSO46H2O); - (, K2SO4MgSO44H2O); - (, K2SO4CaSO4H2O); - (, KClMgCl26H2O); (Mg(NO3)26H2O). 2- , , , : (Ca(NO3)24H2O); (MgSO47H2O); - (, KCl

4、MgCl2H2O); (Mg(NO3)26H2O). 1 ( ) 1 Fertilizers. Determination of water content (Karl Fischer methods). Part 1. Methanol as extracting medium - 20150101 1 (KFM) , . . (KF-) : (Ca(NO3)24H2O); (CaHPO42H2O); (, CaSO42H2O); (CaSO40,5H2O); (MgSO47H2O); (1/1/2,75, , KClMgSO42.75H2O); - (, K2SO4MgSO46H2O);

5、- (, K2SO4MgSO44H2O); - (, K2SO4CaSO4H2O); - (, KClMgCl26H2O); (Mg(NO3)26H2O). , , . 2 . ( ). EN 1482 Sampling of solid fertilizers and liming materials ( ) 1) 3 , . 4 4.1 . 4.2 , 500 /3 . 4.3 1 5 ( 1 2). 1) EN 1482-1 Fertilizers and liming materials Sampling and sample preparation Part 1: Sampling(

6、 . . 1. ) EN 1482-2 Fertilizers and liming materials Sampling and sample preparation Part 2: Sample preparation ( . . 2. ). EN 13466-12013 2 4.4 Na2C4H4O62H2O ( - 15,66 %). 60%- H2SO4. 150 C. 5 , , : 5.1 0,0001 . 5.2 . 5.3 , 3500 -1. 5.4 4,5 , 10 . 5.5 - 9500 -1, (5.4), Ultra Turrax2). 5.6 . . 6 . 7

7、 EN 1482. 8 8.1 , (4.4), 0,0001 . 1 . 2 . 8.2 , . md . 8.3 8.3.1 (4.2), (8.3.2). (8.3.3). , CAN (- ), , . 8.3.2 , 8.3.2.1 , 7, ( 1) 0,0001 . - , , , . 2) Ultra Turrax S25, S25KR 18G, . CEN ( ). EN 13466-12013 3 1 , , ( ) , % 5 /3 2 /3 5 1 1 5 20 . 0,5 0,2 . 20 50 0,2 8.3.2.2 20 3 (4.2) (5.6). (8.3.2

8、.1) (5.6). . (4.3) , . ms , . . 8.3.3 , 8.3.3.1 7 2 0,0001 (5.4), . 2 , , ( ) , % 5 /3 2 /3 5 5 5 5 20 . 1 1 . 20 50 1 8.3.3.2 25 3 (4.2) . (5.5) , . . 60 9500 -1. , - 40 , , , 25 C. 60 , . , . - : , . 8.3.3.3 . 5 . 5 , . EN 13466-12013 4 8.3.3.4 5,0 3 (8.3.3.3) (5.6). . (4.3) , . ms, , . 8.4 , 8.3, . mb. , 8.3.2 8.3.3, . 8.5 8.3, . . 8.6 8.6.1 , ,