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DA13759027 · publicată 04.10.2017 · finalizată 04.10.2017 · de la Chemical Company S.A. (Iasi)
Amoniac 25% p.a. L 5Clorura de potasiu p.a 250g 2Nitrat(azotat) de potasiu p.a. 250g 2Nitrit de sodium p.a. 250g 2Florura de sodium p.a.Merck 250g 2Salicilat de sodium p.a.Lachner 500g 2Oxalat de sodium p.a. 100g 21-10 fenantrolina p.a. 10g 1Clorhidrat de hidroxilamina p.a. 100g 1Hidroxid de sodium p.a. kg 1Cromat de potasiu p.a.104952 Merck 250g 1Acid o-fosforic 85% p.a. L 1EDTA de Na si Mg Sigma Aldrich 250g 1EDTA disodic p.a. 250g 2Eriocrom negru T 10g 5Eter de petrol 800ml 1N-(1-Naftil)-etilen-diamina 2HCl (diclorhidrat) 106237 Merck 25g 2Standard clorura de potasiu 1.41mS/cm 101203 Merck 1.399-1.419mS 500ml 2Standard Fier 1000mg/L certipur, nist 119781 Merck 500ml 2Standard Amoniu 1000mg/L certipur, nist 119812 Merck 500ml 2Standard Nitriti 1000mg/L certipur, nist 119899 Merck 500ml 2Standard Nitrati 1000mg/L certipur, nist 119811 Merck 500ml 2Standard Calciu1000mg/L certipur, nist 119778 Merck 500ml 1Standard Magneziu 1000mg/L certipur, nist 119788 Merck 500ml 1Kit calibrare Turb 430IR kit 1Standard Arsen 119773 Merck 100ml 1Standard Cadmiu 119777 Merck 100ml 1Standard Cupru 119786 Merck 100ml 1Standard Mangan 119789 Merck 100ml 1Standard Nichel 119792 Merck 100ml 1Standard Seleniu 119796 Merck 100ml 1