SOILS: PHYSICAL-CHEMICAL /REF. 990017/

In the following tables you can see the dates on which the rounds take place:

 

ROUND 1
WEEK 43
23 October
Arsenic
Cadmium
Calcium
Chromium
Conductivity at 20°C
Copper
Iron
Lead
Magnesium
Manganese
Mercury
Nickel
pH
Potassium
Sodium
Total phosphorus
Zinc

You will find detailed information in our Proficiency Testing Scheme Catalogue.

[Download Catalogue]

You can find the guideline ranges of concentration here.

For any further information, please contact ielab at: comercial@ielab.es.