10 ampoules de 2 mL : ,,22 components: 10mg/l each of Dimethyl ether [CAS:115-10-6] Acetaldehyde [CAS:75-07-0] Methanol [CAS:67-56-1] Propyl Ether [CAS:111-43-3] Propionaldehyde [CAS:123-38-6] 2-Propanol [CAS:67-63-0] 1-Butanol [CAS:71-36 1 * 10 Ampoul