Mass-Labelled PCDD/PCDF/PCB Solution/Mixture, 1.2ml, nonane

N-Nitroso-4-(2-hydroxyethyl)-piperazin-2-one,1000 µg/mL,acetonitrile,1mL,

Isophthalic acid, bis-methyl ester. 1g

Ochratoxin A in wheat, mid level,Please enquire,Wheat flour,100g,