Scope of the Interlaboratory Proficiency Testing
Parameters
- Aluminum (Al)
(50 - 500 microg/L) - Antimony (Sb)
(1 - 50 microg/L) - Arsenic (As)
(5 - 50 microg/L) - Barium (Ba)
(500 - 3000 microg/L) - Beryllium (Be)
(2 - 20 microg/L) - Boron (B)
(100 - 2000 microg/L) - Cadmium (Cd)
(1 - 20 microg/L) - Chromium (Cr)
(10 - 200 microg/L) - Chromium VI (Cr VI) (1)
(1 - 50 microg/L) - Cobalt (Co)
(5 - 50 microg/L) - Copper (Cu)
(50 - 2000 microg/L) - Iron (Fe)
(50 - 1000 microg/L)
- Lead (Pb)
(1 - 100 microg/L) - Manganese (Mn)
(10 - 100 microg/L) - Mercury (Hg)
(0.5 - 10 microg/L) - Molybdenum (Mo)
(15 - 150 microg/L) - Nickel (Ni)
(5 - 100 microg/L) - Selenium (Se)
(5 - 50 microg/L) - Silver (Ag)
(1 - 100 microg/L) - Thallium (Tl)
(1 - 10 microg/L) - Tin (Sn)
(10 - 100 microg/L) - Vanadium (V)
(10 - 200 microg/L) - Zinc (Zn)
(50 - 1000 microg/L)
Proficiency test item:
- 1 x 450 mL of the test material stabilized with nitric acid (up to pH<2U) ready to use for the determination of all metals except Cr VI and Mercury (Hg).
- 1 x 1000 mL of the test material to be prepared from a matrix and a vial of the spiking solution for the determination of Cr VI.
- 1 x 1000 mL of the test material to be prepared from a matrix and a vial of the spiking solution for the determination of Mercury (Hg).
NOTE: All the details for the preparation of the final test sample are included in the Guide Lines of the interlaboratory proficiency testing provided with the test samples.
ADDITIONAL TEST SAMPLES: For costs and availability of additional test samples contact Qualitycheck (e-mail sales@qualitychecksrl.com)
ANALYSIS
For each measurand shall be reported one result.
