Diphenylsulfide in isooctane, Blank Units: 5x1mL ampoules

25-Hydroxyvitamin D3, 100µg/ml in MeOH, 1ml

n-Dodecane-d26, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 16416-30-1

Daily Quality Control Standard (with 4 Deuterated Compounds Internal Standard) 14 Analytes + 4 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane 17m-Xylene 3 n-Octane 17