DRINKING 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 12
15th March 2027
WEEK 38
13th September 2027
Barium Anionic surfactants
Beryllium Cobalt
Bicarbonates Kjeldahl Nitrogen
Calcium Magnesium
Conductivity at 20ºC (new) Orthophosphates
Dry matter Total Cyanides
Hardness Total Phosphorus
pH (new) Silica (Silicon dioxide)
Turbidity (new) Silver
Vanadium ———

 

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.