1 "N,N-Dietil-p-fenilendiamoniu sulfat (DPD)
N,N-Diethyl-p-phenylenediammonium sulphate p.a." 87026.180 100 g VWR Chemicals 1 313.43 313.43 N,N-Diethyl-p-phenylenediammonium sulphate ≥99%, AnalaR NORMAPUR® analytical reagent
2 Oxalat de sodiu p.a. 27978.237 250 g VWR Chemicals 1 114.94 114.94 Disodium oxalate ≥99.8%, AnalaR NORMAPUR® analytical reagent
3 CRM solutie standard de aluminiu, trasabilă la SRM din NIST, 0,200 mg/...
1 "N,N-Dietil-p-fenilendiamoniu sulfat (DPD)
N,N-Diethyl-p-phenylenediammonium sulphate p.a." 87026.180 100 g VWR Chemicals 1 313.43 313.43 N,N-Diethyl-p-phenylenediammonium sulphate ≥99%, AnalaR NORMAPUR® analytical reagent
2 Oxalat de sodiu p.a. 27978.237 250 g VWR Chemicals 1 114.94 114.94 Disodium oxalate ≥99.8%, AnalaR NORMAPUR® analytical reagent
3 CRM solutie standard de aluminiu, trasabilă la SRM din NIST, 0,200 mg/l Al în apă 1322250100 100 ml Merck 1 228.48 228.48 Soluţie standard aluminiu, CRM trasabil la SRM de la NIST 0,200 mg/l Al în H₂O
4 Sulfat de argint p.a. 21592.154 50 g VWR Chemicals 4 375.00 1500.00 Silver sulphate ≥98.5%, AnalaR NORMAPUR® analytical reagent
5 Cloroform p.a. 22711.29 1 L VWR Chemicals 5 72.50 362.50 Chloroform 99.0-99.4% stabilised, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. analytical reagent
2519.35