ISO 14720-2:2013
[Current]
Testing of ceramic raw and basic materials — Determination of sulfur in powders and granules of non-oxidic ceramic raw and basic materials — Part 2: Inductively coupled plasma optical emission spectrometry (ICP/OES) or ion chromatography after burning in an oxygen flow
...ss fraction of sulfur of the sample of carbon black
mg/kg
Laboratory 1 Laboratory 2 Laboratory 3 Laboratory 4
1 59,3 63,0 59,5 60,4
2 64,3 57,0 59,3 62,8
3 62,0 65,0 61,6 63,7
4 65,3 66,0 61,7 61,3
5 60,7 67,0 61,3 65,4
6 62,0 58,0 63,2
7 62,0
w(...
...ss fraction of sulfur of the sample of silicon carbide
mg/kg
Laboratory 1 Laboratory 2 Laboratory 3 Laboratory 4
1 550 570 662 675
2 580 600 666 650
3 550 570 665 654
4 580 600 656 659
5 550 570 669 654
6 580 600 668 672
w() S
565 585 664 661
s 16 16...
...[4]
However, also other possibilities can be used to
estimate the measurement uncertainty alternatively to that procedure based on a detailed analysis and
modelling of the entire measurement process...
