GOST EN 15562-2013 Fertilizers Determination of cyanamide nitrogen《肥料 氰氨态氮的测定》.pdf

1、 , () INTERSTATE COUNCIL ON STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) EN 15562 2013 (EN 15562:2009, IDT) EN 155622013 II , 1.092 . 1.297 . , . , , , 1 84 ( ) 2 , 3 , ( 14 2013 . 44-2013) : ( 3166) 00497 ( 3166) 00497 KZ KG D RU UZ - 4 EN 15562:2009 Fertilizers Determination of cyanamide nit

2、rogen (. ). CEN/TC 260 . (en). . , , , , . (IDT). 5 22 2013 . 1822- EN 155622013 c 1 2015 . 6 EN 155622013 III , . () . , , 2014 -, EN 155622013 1 Fertilizers. Determination of cyanamide nitrogen 20150101 1 . / . 2 . , ( ). EN 1482-2 Fertilizers and liming materials Sampling and sample preparation P

3、art 2: Sample preparation ( . . 2. ) EN 12944-1:1999 Fertilizers and liming materials and soil improvers Vocabulary Part 1: General terms ( . . 1. ) EN 12944-2:1999 Fertilizers and liming materials and soil improvers Vocabulary Part 2: Terms relating to fertilizers ( . . 2. , ) EN ISO 3696:1995 Wate

4、r for analytical laboratory use Specification and test methods (ISO 3696:1987) ( . (ISO 3696:1987) 3 EN 12944-1:1999 EN 12944-2:1999. 4 . . , . 5 5.1 (.) , ( 3 EN ISO 3696:1995). 5.2 . 5.3 10 %- (p20= 0,96 /). 5.4 500 10 % - (AgNO3) 500 10 % - (5.3). , . . , . 5.5 , p20= 1,84 /. 5.6 , . EN 155622013

5、 2 5.7 0,30,4 (II) 0,951,25 (II) . 5.8 , 30 % NaOH p20= 1,33 /), . 5.9 , = 0,05 /. 5.10 , = 0,1 /. 5.11 5.11.1 A: 1 37 = 0,1 / 1 . B: 1 1 . B. , . 0,5 (10 ) . 5.11.2 0,1 50 95 %- . 100 , . ( ) 5.11.1. 5.12 , (, , ), . 5.13 , . 6 6.1 , , . . , , 14. , . EN155622013 3 1 1000 ; 2 , , ( 18) ( ); 3 (PTFE

6、) (6) ; 4 ( ) ( 18) ( , ); 5 500 ; 6 (PTFE) ( ); 7 1 1 EN 155622013 4 1 , 1000 ( 35); 2 , , ( 35) ( 18) , (PTFE) (5) ; 3 ( ) ( 18) ; 4 500 ; 5 (PTFE); a 2 2 EN155622013 5 1, 750 1000 ; 2 , , ( 18) ; 3 ( 18) ( ); 4 ( ), ; 5 500 3 3 EN 155622013 6 1, 1000 ; 2 , , ( 18) , (PTFE) (5) ( ); 3 ( ) ( 18) (

7、, ); 4 500 ; 6 (PTFE) 4 4 6.1 500 . 6.2 (300500 ). 6.3 50 . 6.4 3540 . EN155622013 7 7 , . EN 1482-1. EN 1482-2. 8 . , , . 8.1 0,001 2,5 . , 500 (6.2). 500 , , . 400 . 15 (5.2). (6.5) 2 . 500 , . . 8.2 50 250 . (5.3) 30 (5.4), . , . , , , 1015 (5.6), (5.7), , 50 25 (5.5). , , . , , -. 1 , . 50 . (5.11.1 5.11.2) , , 50 . . , 1, . , 350 , . , , 10 (5.8) ( NaOH (5.8) ). , . , 100 1015 ; 250 . , . 3040 . , , . , . , (. ). , , , , 45 . EN 155622013 1 ,