CRM CZ 7006 PCDD, PCDF ana toxic PCB in sewage sludge of mixed origin New matrix certified reference material CRM CZ 7006 for use in environmental analysis all analytes featuring to the calculation of total toxicity equivalent (WHO) are cirtified complementary to CRM BCR 677 non-certified values for a number of other analytes (heavy metals, PCB, PAH, OCP, BFR) traceable to CRM BCR 614 Certificate was set out by Czech Metrology Institute: Certificate No. 0217-CM-7006-06 CRM CZ 7007 PAHs and some pesticides in extra virgin olive oil New matrix certified reference material CRM CZ 7007 for food analysis 14 certified and 6 non-certified PAHs (required by WHO and EC 1881/2006/ES and EC 2006/627/ES directives) 2 certified pesticides (the most frequently found in an olive oil) blank oil (low level analyte oil) available as an integral part of the material Certificate was set out by Czech Metrology Institute: Certificate No. 1014-CM-7007-08 zpět