DA36664625 – Pachet reactivi pentru laborator

Ammonia solution 25% for analysis EMSURE® ISO,Reag. Ph Eur Merck 1054321011 1000 ml, 1x100,80 lei "Citrat trisodic dihidrat, Assay 99.0-101.0% (perchloric acid titration), Merck # 1064480500" 500 g, 1x252,48 lei "1,10-Phenantroline.1aq a.r. 99.5+% C12H8N2.H2O For laboratory use - RedOx indicator 10g/buc, ChemLab#CL00.0628.0010" 10 g ,1x281,89 lei Alcool etilic 96% p.a. Chimreactiv 1000 ml 80 51,20 lei Acid calcon-carboxilic metal indicator, 5g/buc, Merck#1045950005 5 g, 1x760,32 lei "Albastru de metilen (C.I. 52015), Reag. Ph Eur, 10g/buc, Merck #1592700010" 10 g ,1x131,52 lei Apa deionizata/ultrapura, incolor Rezistivitate 1MΩcm, Conductivitate ≤1μS pH 6,5, Rompack # sticla 1,5L, 1500 ml, 20x8,75 lei Sulfite cell test Spectroquant 1,0-25,0 mg/l SO3 (2-), cod 1143940001 25 teste, 3x584,64 lei Cyanide cell test Spectroquant 0,002-0,5 mg/l CN (-), cod 1097010001 100 teste , 2x699,84 lei Hanna Instruments HI93729-03 - Fluoride LR REAGENT SET test 300, 1x712,50 lei 4-aminoantipirina puritate ≥98% p.a. Carl Roth 100 g, 1x429,33 lei Clorura de bariu dihydratata puritate ≥99% p.a. Carl Roth 250 g, 1x124,80 lei Cloroform puritate ≥99,8% p.a. Merck #1024452500 2500 ml, 8x111,60 lei Heptamolibdat tetrahidrat de amoniu ex tra pure, p.a. Carl Roth 500 g, 2x1.010,10 lei Iodura de potasiu/Potassium iodide a.r. 99,5% 250 g, 3x527,28 lei kit de mineralizare probe pentru crom hexavalent - CRACK 10C - set pentru mineralizare 25 probe Crom hexavalent Merck cod 1146880001 set/25 probe, 1x738,24 lei n-hexan 2500 ml, 1x480,96 lei TISAB II (cu CDTA) 3,79litri/1 gallon, 1x936,94 lei Salicilat de sodiu puritate ≥99%, p.a. Carl Roth 250 g, 1x167,38 lei Azotat de argint puritate ≥99%, p.a. Carl Roth 250 g, 1x 3.066,38 lei L(+)Acid ascorbic ≥99%, p.a. Carl Roth 100 g, 1x83,72 lei Sulfide cell test Spectroquant 0,020-1,50 mg/l S2-, cod 1147790001 220 teste, 1x843,84 lei Acid azotic 65% Suprapur - Merck 1004411000 1000 ml, 1x543,48 lei Negru Eriocrom T (C.I. 14645) ACS, Reag. Ph>Eur - Merck #1031700025 25 g, 1x213,12 lei Verde de bromcrezol indigen p.a. 5 g, 1x239,20 lei Rosu de metil indigen 25 g, 1x159,20 lei Azotit de sodiu pentru analiza, EMSURE ACS Reag. Ph Eur 100g/buc, Merck # 1065490100 100 g, 1x93,41 lei "Glycine GR for analysis CAS Number: 56-40-6, EC Number: 200-272-2, Chemical Formula: NH2CH2COOH, 100g/buc, Merck # 1042010100" 100 g, 1x160,32 lei Solutie de 5 ppm cu TISAB - Fluoride standard 475 ml/buc, Thermo scientific ORON #F40905 475 ml, 1x539,04 lei Fenol puritate ≥99,5%, p.a. Roth 250 g, 2x269,82 lei 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; Certified valeu and uncertainty: 99,92%±0,05% 80 g, Merck #1024030080 80 g, 1x500,16 lei