Proficiency test AQA 20-02 Metals, Nutrients and Exchangeable Bases in Soil
February 2020
|
Sample |
Analytes |
Approximate Conc. Range (mg/kg)** |
Price* |
|---|---|---|---|
|
S1 30 g dried soil |
As |
1-50 |
FOR NATIONAL PARTICIPANTS
Any single sample $500
Any two $690
All three $890
FOR INTERNATIONAL PARTICIPANTS
Any single sample $680
Any two $920
All three $1030
|
|
Be |
1-50 |
||
|
Cd |
0.5-25 |
||
|
Cr |
5-500 |
||
|
Cu |
2-100 |
||
|
Hg |
0.2-5 |
||
|
Mn |
50-1000 |
||
|
Mo |
25-500 |
||
|
Ni |
5-500 |
||
|
Pb |
2-200 |
||
|
Sb |
25-750 |
||
|
Se |
2-50 |
||
|
Sn |
10-200 |
||
|
V |
20-500 |
||
|
Zn |
10-300 |
||
|
S2 30 g moist soil |
Ag |
5-150 |
|
|
As |
1-50 |
||
|
Al |
500-15000 |
||
|
B |
5-150 |
||
|
Ba |
5-150 |
||
|
Bi |
0.5-10 |
||
|
Co |
5-150 |
||
|
Cs |
1-20 |
||
|
La |
5-150 |
||
|
Li |
5-150 |
||
|
Mn |
50-1000 |
||
|
Rb |
5-50 |
||
|
Se |
2-50 |
||
|
Sn |
10-250 |
||
|
Tl |
0.5-10 |
||
|
U |
5-150 |
||
|
Zn |
50-1000 |
||
|
Moisture Content (%) |
5-30% |
||
|
S3 75 g |
Ba, Ca, Fe, K, Mg, Na, P, S, Sr |
NA |
|
|
P (total) |
NA |
||
|
Exchangeable bases (Ca2+, Mg2+, Na+, K+) - |
>0.05 |
||
|
Calcium chloride-extractable B2 |
NA |
||
|
Colwell K, Colwell P |
NA |
||
|
P buffer index (with Colwell P)-PBI+ColP3 |
NA |
||
|
Total Carbon, Total Organic Carbon |
NA |
||
|
Total Nitrogen |
NA |
||
|
pH of 1:5 soil/0.01M CaCl2, EC |
NA |
Accredited for compliance with ISO/IEC 17043
*Shipping costs are included; GST not included.
** 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. 1 Method 15A1, 2Method 12C, 3Method 9I2 as defined by Rayment, G.E. and David, J. L in “Soil Chemical Methods-Australia”. Results to be reported in units of (cmol(+)/kg)
NA - not available
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Last updated: 8 December 2020
Content ID: 66459