AMOXICILIN TRIHYDRATE ,Amoxicillin trihydrate Pharmaceutical Secondary Standard; Certified Reference Material, cod: PHR1127-1G, producator: Sigma Aldrich 448.66/G CIPROFLOXACIN ,Ciprofloxacin Pharmaceutical Secondary Standard; Certified Reference Material, PHR1167-1G, 428.49/G SULFAMETHOXAZOLE, Sulfamethoxazole Pharmaceutical Secondary Standard; Certified Reference Material, Cod: PHR1126-1G, furnizor: Sigma Aldrich 429.49/G METAFLUMIZONE , Metaflumizone PESTANAL®, analytical standard, cod: 32966-100MG, producator Sigma Aldrich 800.74/MG TRIMETHOPRIM , Trimethoprim Pharmaceutical Secondary Standard; Certified Reference Material, PHR1056-1G, producator Sigma Aldrich 294.62/G HEXACLOROPLATINIC(IV) ACID HEXAHYDRATE , Hexachloroplatinic(IV) acid hexahydrate (~40% Pt) for synthesis. CAS 18497-13-7, EC Number 241-010-7, chemical formula H2(PtCl6)*6H2O, cod: 8073400001, producator Merck 2bucati 533.76/buc N-DECANE , n-Decane reference substance for gas chromatography. CAS 124-18-5, EC Number 204-686-4, chemical formula CH3(CH2)8CH3, 1096030005, 5 mL, producator Merck 737.28/buc HARTIE FILTRU Qualitative filter papers, standard grades, grade 1, diam. 30 mm, cod: 512-0571, Whatman products (Cytiva) 5bucati 39.81/buc ISOPROPANOL 2-Propanol ≥99.7%, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. analytical reagent Supplier: VWR Chemicals, cod: 20842.312, VWR Chemicals 4L 53.14/L BALON COTAT 500 ML Measuring flask, class A, blue graduation, PE stopper, 500ml, cod: 2820190, Hirschmann 4bucati 6