Solutii standard si reactivi pentru laborator: Nr. crt COD Descriere U.M. Cant. Pret unitar RON fara TVA Pret total RON fara TVA 1 1198110500 Solutie standard de azotat NaNO₃ in H₂O trasabila NIST 1000 mg/l NO₃ Certipur®. Producator Merck Millipore 500 ML 1 219.60 219.60 2 1198990500 Solutie standard de azotit NaNO₂ in H₂O trasabila NIST 1000 mg/l NO₂ Certipur®. Producator Merck Millipore 500 ML 1 220.80 220.80 3 1197700100...

Solutii standard si reactivi pentru laborator: Nr. crt COD Descriere U.M. Cant. Pret unitar RON fara TVA Pret total RON fara TVA 1 1198110500 Solutie standard de azotat NaNO₃ in H₂O trasabila NIST 1000 mg/l NO₃ Certipur®. Producator Merck Millipore 500 ML 1 219.60 219.60 2 1198990500 Solutie standard de azotit NaNO₂ in H₂O trasabila NIST 1000 mg/l NO₂ Certipur®. Producator Merck Millipore 500 ML 1 220.80 220.80 3 1197700100 Solutie standard de aluminiu, Al(NO₃)₃ in HNO₃ 0.5 mol/l, trasabila NIST; 1000 mg/l Al Certipur®. Producator Merck Millipore 100 ML 1 159.60 159.60 4 1198120500 Solutie standard de amoniu NH₄Cl in H₂O trasabila NIST 1000 mg/l NH₄ Certipur®. Producator Merck Millipore 500 ML 1 219.60 219.60 5 1197810500 Solutie standard de fier Fe(NO₃)₃ in HNO₃ 0.5 mol/l, trasabila NIST, 1000 mg/l Fe Certipur®. Producator Merck Millipore 500 ML 1 216.00 216.00 6 1197780100 Solutie standard de calciu Ca(NO₃)₂ in HNO₃ 0.5 mol/l, trasabila NIST; 1000 mg/l Ca Certipur®. Producator Merck Millipore 100 ML 1 158.40 158.40 7 1146930001 "PhotoCheck soluţii pentru verificare fotometre(445/446 nm 520/525 nm, si 690 nm) Spectroquant®. Producator Merck Millipore restrictionat cf. REACH - articol 56" SET 1 1956.00 1956.00 8 P/4720/50 "Potassium Dichromate, Certified AR for Analysis CAS 7778-50-9 Molecular Formula Cr2K2O7 Molecular Weight (g/mol) 294.182 Assay >= 99.9 % Producator Fisher Chemical" 250 G 1 381.15 381.15 9 QC1342-2ML "Turbidity certified reference material Producator Sigm

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