GOST EN 15925-2012 Fertilizers Extraction of total sulfur present in various forms《肥料 各种形态总硫萃取》.pdf

1、 , (EN 15925:2011, IDT) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC) EN159252012, 1.092 . 1.22009 . , - . , , -, 1 - - ()2 , - 3 , ( 1 2012 . 51-) : ( 3166) 00497 ( 3166) 00497 AZBYKZKGMDRUTJUZ -4 EN 15925:2011Fertilizers Extraction of total sulfur present in various

2、forms (. , ). - CEN/TC 260 . , , , , - . - . (en). (IDT)5 16 2012 . 922- EN 159252012 1 2013 .6 -, - . () . , - - , 2013 -, II EN 1592520121 12 13 14 .15 16 27 .28 .29 2 .3III EN 159252012 EN 15925:2011 , () 2003/2003.IV EN 159252012 , Fertilizers. Extraction of total sulfur present in various forms

3、 201309011 , - / . , (-, , , ).2 . -().EN 1482-2:2007 Fertilizers and liming materials Sampling and sample preparation Part 2: Samplepreparation ( . . 2. )EN 12944-1:1999 Fertilizers and liming materials and soil improvers Vocabulary Part 1: Generalterms (, , . . 1. )EN 12944-2:1999 Fertilizers and

4、liming materials and soil improvers Vocabulary Part 2: Termsrelating to fertilizers (, , . -. 2. , )EN 15749:2009 Fertilizers Determination of sulfates content using three different methods (-. )3 EN 12944-1:1999 EN 2944-2:1999.4 , . EN 1482-1. EN 1482-2. .5 , . , .1 EN 159252012 6 .6.1 . (d = 1,18)

5、 .6.2 NaOH 30 %, d = 1,33.6.3 , w =30%.6.4 , BaCl2c215 2H2O, c114 = 122 /.7 7.1 .7.2 400 .7.3 600 .7.4 250 .8 8.1 1 , 80 350 (S) 200 875 SO3. , S 15 %, 2,5 . (7.2).8.2 20 (6.2) 20 . . 5 (7.1). . - , , 20 . . 2 (6.3) , -. . 1 , 0,5 . .8.3 50 50 (6.1).) (S) 5 %: 600 (7.3). . - , (6.4). -. EN 15749.b)

6、(S) 5 %: 250 (7.4), . ; . , . EN 15749.9 :) ;b) , ;c) ( );d) ;e) , , , () .2 EN 1592520121 EN 1482-1:2007 Fertilizers and liming materials Sampling and sample preparation Part 1: Sampling (- . . 1. )2 Regulation (EC) No 2003/2003 of the European Parliament and of the Council of 13 October 2003 relat

7、ing to fertilizers,Official Journal L 304, pp. 1194, Annex IV, method 8.2( 2003/2003 13 2003 ., )3 EN 159252012 631.82.543.42:006.354 65.080 IDT : , , , EN 159252012 . . . 26.11.2013. 28.11.2013. 60c1808418. . . . 0,93. .-. . 0,50. 76 . . 1414. , 123995 , ., 4.www.gostinfo.ru infogostinfo.ru . . , 105062 , ., 6.