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publications > open file report > OFR-00-327 > table 4
Regional Geochemistry of Metals in Organic-Rich Sediments, Sawgrass and Surface Water, from Taylor Slough, Florida
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| Table 4. Quality control for the inductively coupled plasma-atomic emission spectrometry analysis of plant material.
[Standard reference materials are identified by NIST ID number and by laboratory number; Analysis 1 and Analysis 2 are duplicate analyses of a sawgrass leaf sample from the study area; values in parentheses are non-certified; % R is the percent difference between the certified and determined values] |
| Element |
Determined Value |
Certified value |
% R |
Determined value |
Certified value |
% R |
Analysis 1 |
Analysis 2 |
| NIST 1547 "peach leaves" |
NIST 1575 "pine needles" |
Sample no.: F-012743 |
| Al, % |
0.01 |
0.01 |
<1 |
0.06 |
0.05 |
-5 |
0.18 |
0.18 |
| As, ppm |
2.6 |
3.1 |
17 |
<20 |
0.21 |
-- |
<20 |
<20 |
| Ba, ppm |
21 |
21 |
<1 |
9.36 |
-- |
-- |
128 |
128 |
| Be, ppm |
<2 |
-- |
-- |
<2 |
-- |
-- |
<2 |
<2 |
| Bi, ppm |
<2 |
-- |
-- |
<2 |
-- |
-- |
<20 |
<20 |
| Ca, % |
3.3 |
3.2 |
-4 |
0.41 |
0.41 |
<1 |
24 |
25 |
| Cd, ppm |
<0.4 |
0.03 |
-- |
<0.4 |
(<0.5) |
-- |
<4 |
<4 |
| Ce, ppm |
<8 |
0.28 |
-- |
<8 |
(0.40) |
-- |
<8 |
<8 |
| Co, ppm |
0.21 |
(0.02) |
-- |
0.21 |
(0.10) |
-- |
7.0 |
7.8 |
| Cr, ppm |
1.1 |
0.80 |
-41 |
2.7 |
2.6 |
-5 |
13 |
14 |
| Cu, ppm |
19 |
17 |
-16 |
2.8 |
3.0 |
5 |
177 |
183 |
| Eu, ppm |
<0.4 |
-- |
-- |
<0.4 |
-- |
-- |
<4 |
<4 |
| Fe, % |
0.01 |
0.01 |
<1 |
0.02 |
0.02 |
<1 |
4.4 |
4.4 |
| Ga, ppm |
<8 |
-- |
-- |
<8 |
-- |
-- |
<8 |
<8 |
| Hg, ppm |
0.08 |
0.12 |
77 |
-- |
-- |
-- |
0.02 |
0.02 |
| K, % |
2.3 |
1.8 |
-29 |
0.42 |
0.37 |
-23 |
11.7 |
9.4 |
| La, ppm |
<4 |
(0.19) |
-- |
<4 |
(0.2) |
-- |
<4 |
<4 |
| Li, ppm |
<4 |
-- |
-- |
0.48 |
-- |
-- |
<4 |
<4 |
| Mg, % |
0.58 |
0.58 |
1 |
0.11 |
-- |
-- |
1.7 |
1.7 |
| Mn, ppm |
23 |
23 |
2 |
678 |
675 |
<1 |
470 |
460 |
| Mo, ppm |
<0.4 |
-- |
-- |
<0.4 |
-- |
-- |
20 |
20 |
| Na, % |
0.04 |
0.02 |
-170 |
0.01 |
-- |
-- |
1.5 |
1.8 |
| Nd, ppm |
4.20 |
-- |
-- |
0.80 |
-- |
-- |
32 |
33 |
| Ni, ppm |
0.63 |
0.60 |
-4 |
2.4 |
(3.5) |
-- |
8.0 |
8.2 |
| P, % |
0.15 |
0.13 |
-16 |
0.12 |
0.12 |
<1 |
1.1 |
1.1 |
| Pb, ppm |
12 |
13 |
6 |
9.3 |
10.8 |
14 |
7.3 |
8.4 |
| Sc, ppm |
<4 |
-- |
-- |
<4 |
-- |
-- |
<4 |
<4 |
| Sr, ppm |
108 |
100 |
-8 |
4.9 |
4.8 |
-1 |
1180 |
1190 |
| Ti, % |
-- |
-- |
-- |
-- |
-- |
-- |
<0.01 |
<0.01 |
| V, ppm |
<0.4 |
-- |
-- |
0.43 |
-- |
-- |
28 |
28 |
| Y, ppm |
<4 |
-- |
-- |
<4 |
-- |
-- |
<4 |
<4 |
| Yb, ppm |
<2 |
-- |
-- |
<2 |
-- |
-- |
<2 |
<2 |
| Zn, ppm |
28 |
29 |
5 |
58 |
-- |
-- |
1380 |
1380 |
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