Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 200ng/ml , nonane

GLC Reference standard 674, 100mg

Verapamil,1000 µg/mL,MeOH,1mL,

Quantitative Linearity Wax Mixture C16-C44 10µg/ml in Cyclohexane; unit: 1mL, 5x1mL n-Hexadecane C16 n-Octacosane C28 n-Octadecane C18 n-Triacontane C30 n-Eicosane C20 n-Dotriacontane C32 n-Docosane C22 n-Hexat