GOST R ISO 15353-2014 Steel and iron Determination of tin content Flame atomic absorption spectrometric method (extraction as Sn-SCN)《钢材 锡含量的测定 火焰原子吸收光谱法 (作为Sn-SCN萃取法)》.pdf

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

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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.

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