Proficiency test AQA 20-13 Metals, Nutrients and Anions in Soil
|
Sample |
Analytes |
Approx. Conc. Range (mg/kg)* |
Price |
|---|---|---|---|
|
S1 30 g biosoil |
As |
2-50 |
TBA |
|
B |
10-200 |
||
|
Cd |
0.5-40 |
||
|
Cr |
5-250 |
||
|
Cu |
50-750 |
||
|
Hg |
0.2-20 |
||
|
Mn |
50-75 |
||
|
Mo |
1–75 |
||
|
Ni |
1-75 |
||
|
Pb |
25-75 |
||
|
Sb |
1-75 |
||
|
Se |
2-50 |
||
|
Tl |
0.5–40 |
||
|
V |
10-300 |
||
|
Zn |
50-500 |
||
|
S2 30 g biosoil |
Ag |
2-40 |
|
|
As |
2-50 |
||
|
Al |
500-15000 |
||
|
B |
10-200 |
||
|
Ba |
10-200 |
||
|
Be |
0.2-4 |
||
|
Bi |
1-75 |
||
|
Co |
2-40 |
||
|
Cu |
50-500 |
||
|
Cs |
0.2-4 |
||
|
La |
2-40 |
||
|
Li |
2-40 |
||
|
Rb |
2-40 |
||
|
Sn |
0.5-10 |
||
|
Th |
0.5-10 |
||
|
U |
0.5-10 |
||
|
Zn |
50-500 |
||
|
S3 75 g |
Ca (acid extractable) |
2 500-75000 |
|
|
Fe (acid extractable) |
2 500-75000 |
||
|
K (acid extractable) |
750-15000 |
||
|
Mg (acid extractable) |
750-15000 |
||
|
Na (acid extractable) |
750-15000 |
||
|
P(acid extractable) |
500-15000 |
||
|
S (acid extractable) |
500-15000 |
||
|
Sr (acid extractable) |
20-1000 |
||
|
Water Soluble Fluoride( F-)- 1:5 soil/water extract |
0.5-40 |
||
|
Water Soluble Chloride (Cl-)- 1:5 soil/water extract |
25-75 |
||
|
Water Soluble Bromide (Br-)- 1:5 soil/water extract |
0.5-40 |
||
|
Water Soluble Iodide (I-) - 1:5 soil/water extract |
0.5-40 |
||
|
Water Soluble Sulphate; 1:5 soil/water extract |
25-750 |
||
|
Water Soluble Orthophosphate-P; 1:5 soil/water extract |
0.5-40 |
||
|
pH of 1:5 soil/water suspension |
TBA |
||
|
EC of 1:5 soil/water extract |
TBA |
||
|
Kjeldahl nitrogen, total (TKN) |
TBA |
||
|
2M KCl Extractable (Nitrate-N) |
TBA |
||
|
2M KCl Extractable (Ammonium-N) |
TBA |
* As these samples are real samples, the values given are indicative, based on the range of materials used in previous rounds. These ranges will be readjusted in the dispatch letter.
TBA - to be advised.
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Last updated: 8 December 2020
Content ID: 66479