Trichloroacetic acid (TCA), 100μg/ml in Water, 5ml

Imidacloprid,100 µg/mL,MeOH,1mL,

Syringic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 530-57-4

pH 10.01 buffer solution (box of 25x20mL sachet)