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BCR-553-4FORMALDEHYDE-2,4-DINITROPHENYLHYDRAZONE on filter
BCR-551-22,4-DINITROPHENYLHYDRAZONES in ACETONITRILE
BCR-550GLUTARALDEHYDE-2,4-DINITROPHENYLHYDRAZONE (purity)
BCR-549ACETONE-2,4-DINITROPHENYLHYDRAZONE (purity)
BCR-548ACROLEIN-2,4-DINITROPHENYLHYDRAZONE (purity)
BCR-547ACETALDEHYDE-2,4-DINITROPHENYLHYDRAZONE (purity)
BCR-546FORMALDEHYDE-2,4-DINITROPHENYLHYDRAZONE (purity)
BCR-545WELDING DUST LOADED ON FILTER (Cr VI, Cr)
BCR-543MUSSEL (dc-saxitoxin)
BCR-539PLASTIC FILM (OVERALL MIGRATION IN OLIVE OIL (film C)
BCR-538PLASTIC FILM (OVERALL MIGRATION IN OLIVE OIL (film B)
BCR-537PLASTIC FILM (OVERALL MIGRATION IN OLIVE OIL (film A)
BCR-536FRESHWATER HARBOUR SEDIMENT (PCB's)
BCR-535FRESHWATER HARBOUR SEDIMENT (PAH's)
BCR-530INDUSTRIAL CLAY SOIL (PCDD's, PCDF's)
