Carbonat acid de sodiu 500 g 1 500G 1063290500 Merck 102.00 102.00 "Carbonat acid de sodiu pentru analiza, EMSURE® ACS,Reag.Ph Eur" 12 Dicromat de potasiu standard 80 g 1 80G 1024030083 Merck 541.44 541.44 "102403 Supelco Dicromat de potasiu - Potassium dichromate volumetric standard, secondary reference material for redox titration, traceable to NIST SRM Certipur® Reag. USP. Potassium dichromate CAS No. 7778-50-9, EC Numbe...
Carbonat acid de sodiu 500 g 1 500G 1063290500 Merck 102.00 102.00 "Carbonat acid de sodiu pentru analiza, EMSURE® ACS,Reag.Ph Eur" 12 Dicromat de potasiu standard 80 g 1 80G 1024030083 Merck 541.44 541.44 "102403 Supelco Dicromat de potasiu - Potassium dichromate volumetric standard, secondary reference material for redox titration, traceable to NIST SRM Certipur® Reag. USP. Potassium dichromate CAS No. 7778-50-9, EC Number 231-906-6." 14 Formaldehida 37% litru 5 KG INDIGEN CHIMREACTIV 33.00 165.00 FORMALDEHIDA solutie 37% PA 16 Fosfat disodic (Na2HPO4 x 2 H2O) kg 1 KG 28029.292 VWR Chemicals 96.72 96.72 "Disodium hydrogen phosphate dihydrate ≥99.5%, AnalaR NORMAPUR® analytical reagent Supplier: VWR Chemicals" 19 Hidroxid de sodiu kg 1 kg 1064981000 Merck 63.04 63.04 "106498 Supelco Hidroxid de sodiu pelete, pentru analiza; EMSURE®" 21 MRC pH= 6.88 1 l 1 1l 83601.290 VWR Chemicals 78.89 78.89 AVS TITRINORM Buffer Solutions, 20 °C;PH=6,88; 22 Solutie standard de Cadmiu 100 ml 1 100ml 1197770100 Merck 132.00 132.00 "119777 Supelco Solutie standard de cadmiu, Cd(NO₃)₂ in HNO₃ 0.5 mol/l, trasabila NIST; 1000 mg/l Cd Certipur®" 23 Solutie standard de cupru 100 ml 1 100ml 1197860100 Merck 132.00 132.00 "119786 Supelco Solutie standard de cupru Cu(NO₃)₂ in HNO₃ 0.5 mol/l, trasabila NIST; 1000 mg/l Cu Certipur®" 24 Soluţie standard de fier 100 ml 1 100ml 1197810100 Merck 132.00 132.00 "119781 Supelco Solutie standard de fier Fe(NO₃)₃ in HNO₃ 0.5 mol/l, trasabila NIST, 1000 mg/l Fe C
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