GOST EN 15749-2013 Fertilizers Determination of sulfates content using three different methods《肥料 利用三种不同方法进行硫酸盐含量的测定》.pdf

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1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) EN 15749 2013 (EN 15749:2009, IDT) 2014 EN 157492013 II , 1.0-92 . 1.2-2009 . , . , , , 1 - , , ( ) , 4 2 527 3 , ( 44-2013 14 2013 .) : ( 3166) 004-97 ( 3166) 004- 97 AM KG MD RU TJ UZ UA - 4 EN 15749:2009 Fertilizers -

2、 Determination of sulfates content using three different methods (. ) CEN/TC 260 . (en). , , . - (IDT) 5 22 2013 . 733- EN 157492013 1 2015 . 6 , . () . , . EN 157492013 III , 2014 , EN 157492013 IV . , , , , . EN 157492013 1 Fertilizers. Determination of sulfates content using three different metho

3、ds - 2015-01-01 1 (, C) , . A . - - (ICP-OES). (I). 2 , ( ). EN 1482-2 Fertilizers and liming materials Sampling and sample preparation Part 2: Sample preparation ( 2. ) EN 12944-1:1999 Fertilizers and liming materials Vocabulary Part 1: General terms ( . . 1. ) EN 12944-2:1999 Fertilizers and limin

4、g materials Vocabulary Part 2: Terms relating to fertilizers ( . . 2. , ) CEN/TS 15925 Fertilizers Extraction of total sulphur present in various forms (. , )1) CEN/TS 15926 Fertilizers Extraction of water soluble sulphur where the sulphur is in various forms (. , )2) CEN/TS 15960 Fertilizers Extrac

5、tion of total calcium, total magnesium, total sodium and total sulfur in the forms of sulfates (. , , )3) CEN/TS 15961 Fertilizers Extraction of water soluble calcium, magnesium, sodium and sulfur in the forms of sulfates (. , , )4) EN ISO 3696 Water for analytical laboratory use Specification and t

6、est methods (ISO 3696:1987) . ( 3696:1987) 1) EN 15925:2011 Fertilizers - Extraction of total sulfur present in various forms (. , ). 2) EN 15926:2011 Fertilizers - Extraction of water soluble sulfur where the sulfur is in various forms(. , ). 3) EN 15960:2011 Fertilizers - Extraction of total calci

7、um, total magnesium, total sodium and totalsulfur in the forms of sulfates (. , , ). 4) EN 15961:2011 Fertilizers - Extraction of water-soluble calcium, magnesium, sodium and sulfur inthe form of sulfates (. , , ). EN 157492013 , 1 , . (), () . , , , , .3 EN 12944-1:1999 EN 12944-2:1999. 4 4.1 A. CE

8、N/TS 15925, CEN/TS 15926, CEN/TS 15960 CEN/TS 15961 . 4.2 B. ICP-OES , CEN/TS 15925, CEN/TS 15926, CEN/TS 15960 CEN/TS 15961 - - (ICP-OES). 4.3 C. I CEN/TS 15925, CEN/TS 15926, CEN/TS 15960 CEN/TS 15961 . (I) , . 5 . 1. EN 1482-2. 6 A. 6.1 . . . (3- EN ISO 3696). 6.1.1 , 1:1 (HCl) = 1,18 /3) . 6.1.2

9、 , , (l2 2 2) = 122 /3. 6.1.3 , , = 5 / 3. 6.2 6.2.1 . 6.2.2 . 6.2.3 (105 1) C. 6.2.4 (800 50) C. 6.3 6.3.1 , 20 100 50 250 SO3. , 20 3 (6.1.1) 300 3. 6.3.2 . 20 3 (6.1.2). , , 1 . 60 , 2 EN 157492013 3 . . -. (6.1.3). 6.3.3 0,1 (6.2.1). (6.2.3) 800 C (6.2.4). 0,1 . 6.4 1 0,137 0,343 SO3. Sw , %, 22

10、11 0137,0 mvvmwS = . (1) S3 3SOw , %, 5,23= SSO ww , (2) m1 - , ; 0,0137 m2 - , ; 1 - , 3; 2 - , 3; 2,5 S3.7 . ICP-OES 7.1 . . . 2- EN ISO 3696. 1 ., 1 . 7.1.1 , 1,18 / 3. 7.1.2 : 40 3 (7.1.1) 1 . 7.1.3 , 1000 /3 . (Na2SO4) 105 1 . . 4,4375 (Na2SO4) 0,1 . 1000 3, . 4 C -6 C. - 1000 /3 . 7.2 , 7.2.1 7.2.2. 7.2.1 0,1 . 7.2.2 - - - - (ICP-OES) . 190 , . , , , . . (, , , , , ) EN 157492013 4 . 7.3 CEN/TS 15925, CEN/TS 15926, CEN/TS 15960 CEN/TS 15961. 7.4 7.4.1 . , . 7.4.2 (7.1.2) 10 150 /3 . 7.4.3 , , . 7.4.4 20 %, 50 % 100 % . (7.1.1). , . , () . 7.5 7.5.1 , .