Table 3:

Average values obtained during this study by ICP-MS for international standards BR and W2

BRW2
Mean (ppm)RSD %Mean (ppm)RSD %
n1111
Y30·93·222·52·8
Zr278·45·189·82·8
Nb122·64·67·62·7
La85·07·710·75·1
Ce155·96·023·62·8
Pr17·66·23·04·4
Nd66·85·613·04·0
Sm12·25·63·34·1
Eu3·75·91·14·9
Gd10·25·13·75·1
Tb1·36·00·634·9
Dy6·35·93·84·7
Ho1·16·20·805·0
Er2·65·92·34·8
Yb1·86·72·05·2
Lu0·246·00·304·2
Hf5·56·62·34·1
Ta5·67·60·493·0
Th10·69·92·26·2
BRW2
Mean (ppm)RSD %Mean (ppm)RSD %
n1111
Y30·93·222·52·8
Zr278·45·189·82·8
Nb122·64·67·62·7
La85·07·710·75·1
Ce155·96·023·62·8
Pr17·66·23·04·4
Nd66·85·613·04·0
Sm12·25·63·34·1
Eu3·75·91·14·9
Gd10·25·13·75·1
Tb1·36·00·634·9
Dy6·35·93·84·7
Ho1·16·20·805·0
Er2·65·92·34·8
Yb1·86·72·05·2
Lu0·246·00·304·2
Hf5·56·62·34·1
Ta5·67·60·493·0
Th10·69·92·26·2
Table 3:

Average values obtained during this study by ICP-MS for international standards BR and W2

BRW2
Mean (ppm)RSD %Mean (ppm)RSD %
n1111
Y30·93·222·52·8
Zr278·45·189·82·8
Nb122·64·67·62·7
La85·07·710·75·1
Ce155·96·023·62·8
Pr17·66·23·04·4
Nd66·85·613·04·0
Sm12·25·63·34·1
Eu3·75·91·14·9
Gd10·25·13·75·1
Tb1·36·00·634·9
Dy6·35·93·84·7
Ho1·16·20·805·0
Er2·65·92·34·8
Yb1·86·72·05·2
Lu0·246·00·304·2
Hf5·56·62·34·1
Ta5·67·60·493·0
Th10·69·92·26·2
BRW2
Mean (ppm)RSD %Mean (ppm)RSD %
n1111
Y30·93·222·52·8
Zr278·45·189·82·8
Nb122·64·67·62·7
La85·07·710·75·1
Ce155·96·023·62·8
Pr17·66·23·04·4
Nd66·85·613·04·0
Sm12·25·63·34·1
Eu3·75·91·14·9
Gd10·25·13·75·1
Tb1·36·00·634·9
Dy6·35·93·84·7
Ho1·16·20·805·0
Er2·65·92·34·8
Yb1·86·72·05·2
Lu0·246·00·304·2
Hf5·56·62·34·1
Ta5·67·60·493·0
Th10·69·92·26·2
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