Ammonium dihydrogen phosphate Modifier

1D,1D,2H,2H-1-Hydroxyperfluorooctane,50 µg/mL,MeOH,1mL,

2-Chloropropene,100 µg/mL,MeOH,1mL,

3,4-Dichloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane