B. Griepink

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Stand Alone

$certification of the contents (mass fractions) of calcium, potassium, iron, phosphorus and nitrogen in a single cell protein (CRM no.273).$

$certification of the contents (mass fraction) of carbon, hydrogen, nitrogen, chlorine, arsenic, cadmium, manganese, mercury, lead, selenium, vanadium and zinc in three coals: gas coal CRM No.180, coking coal CRM No.181, steam coal CRM No.182$

The Additional Certification of the Content of Aluminum in Three Plant Materials: Crm Nos 60, 60, 62 (Bcr Information)

The Certification of the Content (Mass Fractions) of Arsenic, Cadmium, Copper, Cobalt, Manganese, Lead, Selenium and Zinc in a Single Cell Protein

The Certification of the Contents (Mass Fraction) of Organochlorine Pesticides (HCB, A-HCH, B-HCH, G-HCH, B-heptachlor Epoxide, P, P'-DDE, Dieldrin, Endrin ... Milk Powders: Natural Milk Powder CRM 187

Certification of the Contents (Mass Fractions) of As, CD, Cr, Cu, Fe, Hg, Mn, Pb, Se and Zn in Mussel Tissue (Mytilus Edulis)

The Certification of the Content of N, P, S and Cl in Beech Leaves (CRM 100 - Fagus Silvatica) and Al, Ca, Mg, Mn, Zn, N, P, S and Cl in Spruce Needles (CRM 101 - Picea Abies)

Quality Assurance for Environmental Analysis Method Evaluation within the Measurements and Testing Programme (BCR)

Certification of a Reference Material for the Determination of Oxygen In