Certification Report Certified Reference Material ERM - European ...

21
Lab./Meth. 15/EA 6/I 20/NAA 16/I 3/I 20MS 22/I 1/I 21/MS 5/I 19/I 10/I Ges.
EW [µg/g] 76.8 79.3 81.3 79.5 79.1 81.0 90 96 92.7 100.0 102.8 103.0 N
77.6 78.4 82.1 79.9 78.9 81.5 89 93 97.4 98.0 103.1 103.4 12
77.8 79.5 80.5 80.8 85.1 82.6 91 93 92.4 96.5 101.4 104.8
75.6 79.4 80.0 84.7 83.9 91 93.7 97.5 101.2 104.4
80.1 80.1 81.2 82.2 84.2 90 95.4 98.5 101.1 104.3
78.3 80.2 81.6 83.0 78.9 89 95.4 96.5 103.1 104.0
MW [µg/g] 77.7 79.5 81.1 81.7 81.7 81.7 90.0 92.0 94.5 97.8 102.1 104.0 90.7
s[µg/g] 1.51 0.65 0.76 1.99 3.00 0.82 1.00 2.53 1.91 1.33 0.98 0.67 8.88
s [µg/g] 1.43
s rel 0.02 0.01 0.01 0.02 0.04 0.01 0.01 0.03 0.02 0.01 0.01 0.01 0.10
90.7 90.7 90.7 90.7 90.7 90.7 90.7 90.7 90.7 90.7 90.7 90.7
81.8 81.8 81.8 81.8 81.8 81.8 81.8 81.8 81.8 81.8 81.8 81.8
99.5 99.5 99.5 99.5 99.5 99.5 99.5 99.5 99.5 99.5 99.5 99.5
In-content [µg/g]
120
100
80
60
Extraction with Aqua Regia Acid mixture HCl/HNO3/HF
Aqua Regia/Fuming with H2SO4/Na2O2-melt Microwave HNO3/HF
15/EA 6/I 20/NAA 16/I 3/I 20MS 22/I 1/I 21/MS 5/I 19/I 10/I
Laboratory
Table 17: Results for indium