POTABLE WATER: PHYSICAL-CHEMICAL C /REF. 990003/

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

 

ROUND 1 ROUND 2
WEEK 7
13 February
WEEK 37
11 September
Barium Anionic surfactants
Beryllium Cobalt
Bicarbonates Kjeldahl Nitrogen
Calcium Magnesium
Hardness Total Cyanides
Dry residue Total Phosphorus
Vanadium Silica (Silicon dioxide)
Silver

 

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

You can find the guideline ranges of concentration here.

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