Table3. SRM1849aaccuracy results
Table4. Specificity: determinationof 12elements in12 singleelement standard solutions at50mg/L
All results inmg/L.
Analyte
Units
SRMCertified Mean
Low
High
Ni
(N
16)
Ge
(N
16)
Na
mg/kg
4265
± 83
4182
4348
4304
4324
Mg
mg/kg
1648
± 36
1612
1684
1633
1640
P
mg/kg
3990
± 140
3850
4130
4084
4065
K
mg/kg
9220
± 110
9110
9330
9459
9458
Ca
mg/kg
5253
± 51
5202
5304
5358
5352
Cr
ng/g
1072
± 32
1040
1104
1056
1052
Mn
mg/kg
49.2
± 1.4
47.8
50.6
49
49
Fe
mg/kg
175.6
± 2.9
172.7
178.5
174
173
Cu
mg/kg
19.78
± 0.26
19.52
20.04
19.7
19.7
Zn
mg/kg
151
± 5.6
145.4
156.6
151.6
150.8
Se
ng/g
812
± 29
783
841
827*
Mo
ng/g
1707
± 40
1667
1747
1655
1653
*ISTDTe
SRMLimits
ValidationResults
Tube 1
Tube 2
Tube 3
Tube 4
Tube 5
Tube 6
Tube 7
Tube 8
Tube 9
Tube 10
Tube 11
Tube 12
Analyte
ISTD
Ca
Cu
Fe
Mg
Mn
P
K
Na
Zn
Cr
Mo
Se
~50mg/L~50mg/L
~50mg/L
~50mg/L
~50mg/L
~50mg/L
~50mg/L
~50mg/L~50mg/L~5mg/L
~5mg/L
~5mg/L
23Na
Ni
0.001
0.004
-0.0002
-0.0002
0.0007
0.001
0.002
46.1
0.006
0.002
0.002
0.0009
Ge
0.001
0.004
-0.0004
-0.0005
0.0006
0.001
0.002
45.98
0.006
0.002
0.002
0.001
24Mg
Ni
0.006
0.0005
<0.0001
47.29
0.003
0.0002
0.0002
0.0001
0.0001
<0.0001
<0.0001
<0.0001
Ge
0.006
0.0005
<0.0001
47.32
0.003
0.0002
0.0002
0.0001
0.0001
<0.0001
<0.0001
<0.0001
31P
Ni
0.0009
0.003
0.004
0.004
0.004
42.82
0.002
0.0009
-0.0002
0.0003
<0.0001
-0.0001
Ge
0.0008
0.004
0.004
0.004
0.004
44.57
0.001
0.0006
-0.0003
0.0002
0.0002
-0.001
39K
Ni
0.003
-0.0008
-0.002
-0.0002
0.002
0.0008
47.19
0.01
0.002
-0.0008
-0.002
-0.002
Ge
0.003
-0.0006
-0.003
-0.001
0.001
0.001
47.15
0.01
0.002
-0.001
-0.002
-0.002
44Ca
Ni
49.16
0.02
0.01
0.01
0.02
0.006
0.005
0.008
0.008
0.009
0.005
0.005
Ge
49.92
0.02
0.01
0.01
0.02
0.007
0.004
0.008
0.008
0.009
0.006
0.005
52Cr
Ni
0.04
-0.002
0.2
0.08
0.3
0.01
0.004
0.03
0.007
4.484
0.2
0.01
Ge
0.04
-0.002
0.24
0.08
0.31
0.01
0.003
0.03
0.007
4.605
0.18
0.02
55Mn
Ni
<0.0001
0.0001
0.0006
0.002
45.1
0.003
0.0005
0.0003
0.0001
<0.0001
0.0002
0.0001
Ge
<0.0001
0.0001
0.0006
0.002
45.91
0.003
0.0005
0.0002
0.0001
<0.0001
0.0001
0.0001
56Fe
Ni
0.0004
<0.0001
45.94
0.001
0.0006
<0.0001
<0.0001
<0.0001
<0.0001
<0.0001
<0.0001
-0.0001
Ge
0.0004
<0.0001
46.38
0.001
0.0006
<0.0001
<0.0001
<0.0001
<0.0001
<0.0001
<0.0001
-0.0001
63Cu
Ni
<0.0001
45.55
0.0009
0.0007
0.0004
0.0003
0.0001
0.0002
<0.0001
<0.0001
<0.0001
0.0001
Ge
<0.0001
47.31
0.0009
0.0007
0.0004
0.0003
0.0001
0.0002
<0.0001
<0.0001
<0.0001
0.0001
66Zn
Ni
0.0003
0.0001
0.0004
0.0003
0.0004
0.0001
0.0002
0.0001
45.5
0.002
0.0009
0.0008
Ge
0.0003
0.0002
0.0004
0.0003
0.0004
0.0002
0.0002
0.0001
46.5
0.002
0.0009
0.0008
78Se
Te
-0.008
-0.01
-0.02
-0.02
0.1
-0.03
-0.03
-0.03
-0.03
-0.05
-0.03
4.518
95Mo
Ni
-0.002
-0.01
0.03
-0.01
-0.008
-0.01
-0.01
-0.01
-0.02
-0.01
4.324
0.1060
Ge
-0.002
-0.01
0.03
-0.01
-0.008
-0.01
-0.01
-0.01
-0.02
-0.01
4.514
0
.
1080
MTE-02
FORWORKINGGROUP/ERPUSEONLY
DONOTDISTRIBUTE
