1、 15353 2014 . ( Sn-SCN) ISO 15353:2001 Steel and iron Determination of tin content Flame atomic absorption spectrometric method (extraction as Sn-SCN) 2014 1535320 14 II 1 - . . , 4 2 145 3 11 2014 . 648- 4 15353:2001 . . - ( Sn-SCN) (ISO 15353:2001 Steel and iron Determination of tin content Flame
2、atomic absorption spectrometric method (extraction as Sn- SCN). , 5 1.02012 ( 8). ( 1 ) , . () . , (gost.ru) , 2014 , 15353 2014 1 . ( Sn-SCN) Steel and iron Determination of tin content Flame atomic absorption spectrometric method (extraction as Sn-SCN) 2015 01 01 1 - . 0,001 % 0,1 % 2 ): 648:1977
3、. (ISO 648:1977, Laboratory glassware One-mark pipettes) 1042:1998 . (ISO 1042:1998, Laboratory glassware One-mark volumetric flasks) 3696:1987 (ISO 3696:1987, Water for analytical laboratory use Specification and test methods) 5725-1:1994 ( ) 1: (ISO 5725-1: 1994, Accuracy (trueness and precision)
4、ofmeasurement methods and results Part 1: General principles and definitions) 5725-2:1994 ( ) 2: (ISO 5725-2:1994, Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method) 57
5、25-3:1994 ( ) 3: (ISO 5725-3:1994, Accuracy (trueness and precision) of measurement methods and results Part 3: Intermediate measures of the precision of a standard measurement method) 14284:1996 . (ISO 14284:1996, Steel and iron Sampling and preparation of samples for the determination of the chemi
6、cal composition) 3 , Sn-SCN- 4-2 ( ). , , 543 . 4 , , . 4.1 , , . 153532014 2 4.2 (l), 1,19 /3.4.3 , 1:1. 4.4 (HNO3), 1,40 /3.4.5 (), 1,21 /3.4.6 (l), 1: 24. 4.7 (C6H8O6).4.8 , . 25 (KSCN) (4.1), 50 3 . - .4.9 4-2- ( ), (3)223. 4.10 . 45 (4.7) 25 500 3 (4.6). . 4.11 , 4.11.1 , 1 /3 . ( 0,0001 ) 0,25
7、 , 99,9 %. 250 3 , , 20 3 (4.2) 5 3 (4.4). . 250 3, 100 3 (4.2). .1 3 1 .4.11.2 , 50 / 3 . 25 3 (4.11.1) 500 3 90 3 (4.2). . 1 3 0,05 .4.11.3 , 5 /3 . 25 3 (4.11.2) 250 3 50 3 (4.2). . 1 3 0,005 .4.12 , ( 0,0001 % ). 4.13 - . 4 (4.7) 40 3 (4.6). 3 3 (4.11.1). 7.3.2, 100 3, 4-2- (4.9) . , . 5 648 104
8、2, , . , . 5.1 - , , , , . - , 7.3.5 , , 5.1.1 5.1.3. , , 5.1.4 5.1.1 () 10 1,5 % . 5.1.2 10 , , , . 153532014 3 , 0,1 /3 . 5.1.3 20 % ( ) 0,7 20 % , . , 2 , . 5.1.4 , , 0,4 /3 .5.2 5.1 () . , 0,1. , , , . 6 14284 7 7.1 1, 0,0001 . 1 , % , 0,001 0,025 1 . 0,025 0,05 0,5 . 0,05 0,1 0,25 7.2 . , , . 7
9、.3 7.3.1 (7.1) 250 3, 20 3 (4.3) 5 3 (4.4), . . 5 3 (4.5). ( ) , 20 3 (4.6). 4 (4.7) . . 7.3.2 125 3 (4.6) 60 3. 5 3 (4.8) 103 4-2- ( ) (4.9). 60. , 5 , , , , , 15 20 . . 50 3 (4.10) 120 . , . . 0,5 3 , . 153532014 4 . 10 3. . 24 . 7.3.3 6 250 3 (4.12) (4.11.2 4.11.3) 2. 7.3.1 7.3.2. 2 , (4.12), (4.
10、11.3), 3 (4.11.2), 3 , 1,0 0 0 1,0 1 5 1,0 2 10 1,0 1 50 1,0 2 100 1,0 5 250 0,5 0 0 0,5 2 100 0,5 2,5 125 0,5 3 150 0,5 4 200 0,5 5 250 0,25 0 0 0,25 2 100 0,25 3 150 0,25 4 200 0,25 5 250 0,25 6 300 7.3.4 - 3. 7.3.5 - . . , 4- 2 (4.9). , (4.13). 4- 2 (4.9), , . (5.1.1 5.1.3) , 5.1.4, , . 3 224,6 , . , , 20
