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Xenosep EPA 1664A Standard, 1x10 mL, 4mg/mL
Xenosep® EPA 1664A Standard, 1x10 mL, 4mg/mL. Pipet 10 mL to achieve the 40mg PAR (Precision and Recovery) Standard needed for the method. Each bottle contains enough standard to QC one batch of samples. 10ml.