Name Planned shipping method Start Date  
Marine water - chlorite, chlorate
Parameters (quantitative): chlorite [µg/l], chlorate [µg/l]
Article Number: 2011383
Category: chemical-physical testing Environmental analytics Marine water
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Frozen shipping December 2026 Add to cart
Marine water - chlorite, chlorate
Article Number: 2011383
December 2027 Add to cart
Marine water - metals
Parameters (quantitative): arsenic (As) [µg/l], chromium (Cr) [µg/l], copper (Cu) [µg/l], mercury (Hg) [µg/l], nickel (Ni) [µg/l], zinc (Zn) [µg/l], lead (Pb) [µg/l], cadmium (Cd) [µg/l]
Article Number: 2011382
Category: chemical-physical testing Environmental analytics Marine water
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Shipping at room temperature December 2026 Add to cart
Marine water - metals
Article Number: 2011382
December 2027 Add to cart
1 Parameters with this label depend on the number of participants and/or the choice of materials.
Under certain circumstances, this parameter may not be available in the proficiency test.