1 Solutie standard nitrit-1000µg/ml NO2- (±7µg-20ºC) 500 ml 1 500ML 1 120.52 2. Solutie standard nitrat-1000µg/ml NO3- (±7µg-20ºC) 24327000-2 500 ml 1 500ML 1 119.60 119.60 7 Na 1-heptan sulfonat- for HPLC, solubility H2O: ≥100 mg/mL 100 g 1 100G 1 1431.36 1431.36;8 Hidroxid de potasiu-Assay - KOH 85.0 - 100.5 % kg 2 1KG 2 48.26 96.52; - total alkalinity calc. as KOH 85.0 - 100.5 %; 10 Alco...

1 Solutie standard nitrit-1000µg/ml NO2- (±7µg-20ºC) 500 ml 1 500ML 1 120.52 2. Solutie standard nitrat-1000µg/ml NO3- (±7µg-20ºC) 24327000-2 500 ml 1 500ML 1 119.60 119.60 7 Na 1-heptan sulfonat- for HPLC, solubility H2O: ≥100 mg/mL 100 g 1 100G 1 1431.36 1431.36;8 Hidroxid de potasiu-Assay - KOH 85.0 - 100.5 % kg 2 1KG 2 48.26 96.52; - total alkalinity calc. as KOH 85.0 - 100.5 %; 10 Alcool metilic HPLC (Metanol) -Purity (GC) ≥ 99.8 %, residue on evaporation ≤ 3.0 mg/l ,Water ≤ 0.03 % 2,5 L 1 2.5L 1 39.60 39.60 11. Acetonitril hypergrade pentru HPLC - CH3CN. Purity (GC) ≥ 99.9 % ,Residue on evaporating max 1,0mg/l, Water max 0,01 % ,UV-Transmission at 191nm- min 25%, from 230nm -min 99% 2,5 L 2 2.5L 2 80.64 161.28 ;12 Acid percloric 70-72% GR - Density 1.68 g/cm3 (20 °C) , Assay (acidimetric) 70,0-72,0 % L 2 1L 2 239.00 478.00 ;13 Hidroxid de sodiu pellets GR - Assay (acidimetric,NaOH) ≥ 99 % kg 25 1KG 25 37.50 937.50 ;Carbonate (as Na2CO3) ≤ 1 % , Heavy metals (as Pb) max.0,0005%;14 Acid clorhidric conc. 37% GR - Density ~ 1.19 g/cm3 (20 °C), pH value <1 (20 °C), Assay (acidimetric) min 37.0 % L 2 1L 2 22.00 44.00;16 Acetona GR - CH3COCH3, Purity (GC) min 99.5 % , evaporation residue max. 0,001%, water max.0,2% L 2x2,5 2.5L 2 37.73 75.46; 17 .Tablete Kjeldhal - (without addition of Se and Hg/Missouri catalyst) 5g/tablet Cutie/1000 bucati 1 PAK/ *2384,80 LEI

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