1 Amidon solubil ambalaj producator, flacon 100 g, indigen 100 g 1 21153.181 VWR Chemicals Starch, soluble, AnalaR NORMAPUR® analytical reagent 80.99 80.99 2 Azotit de sodiu ambalaj producator, flacon plastic 100 gr, reactiv pentru analiza, >99%, Merck 1065490100 val. min.2027 100 g 1 1065490100 Merck Azotit de sodiu pentru analiza, EMSURE® ACS,Reag. Ph Eur 93.40 93.40 3 Formaldehida 37% ambalaj producator flacon plastic, 3...
1 Amidon solubil ambalaj producator, flacon 100 g, indigen 100 g 1 21153.181 VWR Chemicals Starch, soluble, AnalaR NORMAPUR® analytical reagent 80.99 80.99 2 Azotit de sodiu ambalaj producator, flacon plastic 100 gr, reactiv pentru analiza, >99%, Merck 1065490100 val. min.2027 100 g 1 1065490100 Merck Azotit de sodiu pentru analiza, EMSURE® ACS,Reag. Ph Eur 93.40 93.40 3 Formaldehida 37% ambalaj producator flacon plastic, 37 %, P.A. Chimreactiv L 1 indigen Chimreactiv FORMALDEHIDA solutie 37% PA 33.00 33.00 5 Iodat de potasiu titrisol,pentru 1000 ml, c(KIO₃) = 1/₆₀ mol/l (0.1 N) Titrisol®, val min.2027 fiola 1 1099170001 Merck Iodat de potasiu - solutie pentru 1000 ml, c(KIO₃) = 1/₆₀ mol/l (0.1 N) Titrisol® 254.40 254.40 6 N-allylthiourea for analysis, ambalaj producator 50 g, Merck, 108804-50g 50 g 1 108804-50G Sigma N-Allylthiourea 98% 255.36 255.36 7 Solutie etalon fosfor total traceable to SRM from NIST 75.0 mg/L PO₄-P (total) in H₂O, ambalaj producator flacon plastic 100 ml, Merck 1250490100 100 ml 1 1250490100 Merck Soluţie standard fosfor total, CRM, trasabilă la SRM din NIST 75,0 mg/l PO₄-P în H₂O 223.68 223.68 8 Solutie standard de mangan traceable to SRM from NIST, Mn(NO3)2 in HNO3 0,5 mol/l, 1000 mg /l Mn, flacon plastic de 100 ml, Merck 1197890100(Ab-nu Merck lot HC31855506) 100 ml 1 1197890100 Merck Solutie standard de mangan Mn(NO₃)₂ in HNO₃ 0.5 mol/l, trasabila NIST; 1000 mg/l Mn Certipur® 126.72 126.72 9 Solutie standard de nitrit Trasabil prin NIST-SRM 40mg/
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