3-Methoxytyramine-d4 hydrochloride,neat,neat,10mg,

D4-1,2-Dichloroethane, 100mg

L-(+)-Lactic Acid-13C3 Sodium Salt, 5mg

Daily Quality Control Standard (without Internal Standard) 14 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane 20 Eth