Reactivi de laborator

Reactivi de laborator Nr. crt COD Descriere U.M. Cant. Pret unitar RON fara TVA Pret total RON fara TVA 447201000 "Potassium chromate, ACS reagent, meets the requirements of Reag.Ph.Eur. Producator Acros Organics Molecular formula Cr K2 O4 CAS No 7789-00-6 Appearance (Color) Yellow Appearance (Form) Crystalline powder Titration Iodometric >=99.0 % pH 8.6 to 9.8 (5% soln. at 25°C) Insoluble matter =<0.005 % Chloride (Cl) =<0.005 % Sulfate (SO4) =<0.03 % Calcium (Ca) =<0.005 % Sodium (Na) =<0.02 %" 100 G 1 228.94 228.94 2 8006400005 "2-Hidroxi-benzaldehida for synthesis. CAS 90-02-8, chemical formula HOC₆H₄CHO. Producator Merck Millipore Assay (GC, area%) ≥ 99 %" 5 ML 2 114.60 229.20 1003171000 "Acid clorhidric fumans, 37% pentru analiza, EMSURE® ACS,ISO,Reag. Ph Eur Producator Merck Millipore Assay (alkalimetric) 37.0 - 38.0 % Bromide (Br) ≤ 50 ppm Free chlorine (Cl) ≤ 1 ppm Phosphate (PO₄) ≤ 0.5 ppm Sulfate (SO₄) ≤ 1.0 ppm Sulfite (SO₃) ≤ 0.5 ppm Drug precursors cat.III acc EC 111/2015" 1 L 1 49.99 49.99