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Federal
SRM 3672 Organic Contaminants in Smokers' Urine (Frozen)
National Institute of Standards and Technology —
SRM 3672 Organic Contaminants in Smokers' Urine (Frozen) - This Standard Reference Material (SRM) is intended for use in evaluating analytical methods for the... -
Federal
SRM 3673 Organic Contaminants in Non-Smokers' Urine (Frozen)
National Institute of Standards and Technology —
SRM 3673 Organic Contaminants in Non-Smokers' Urine (Frozen) - This Standard Reference Material (SRM) is intended for use in evaluating analytical methods for the...