Agricultural Soil Inorganics and Specific Elements AQ613 1bucata 1,483.28 lei Oil and Grease in Water AQ614 1bucata 1,654.64 lei Nutrients and other analytes AQ611 1bucata 1,471.86 lei Non-specific Analytes AQ611 1bucata 1,534.69 lei Metals (Preserved in 0.5% Nitric Acid) AQ611 1bucata 1,843.14 lei Solutie standard de azotat NaNO₃ in H₂O trasabila NIST 1000 mg/l NO₃ Concentration β (NO₃⁻) 990 - 1010 mg/l Certipur®. Producator Merck Millipore 500ml 1bucata 190.20 lei Buffer solution pH = 7,00 (20 °C) (Potassium dihydrogen phosphate/di- Sodium hydrogen phosphate). Producator Scharlab Spania 1liter 1bucata 141.76 lei Heptamolibdat de amoniu tetrahidrat (molibdat de amoniu) pulbere, extra pur. ≥ 99.0 % CAS #: 12054-85-2. Molar Mass: 1235.86 g/mol. Chemical Formula: (NH₄)₆Mo₇O₂₄ * 4 H₂O. Producator Merck Millipore 250g 1 bucata 706.45 lei Azotit de sodiu pentru analiza, EMSURE® ACS,Reag. Ph Eur. ≥ 99.0 % CAS #: 7632-00-0. Molar Mass: 69.00 g/mol. Chemical Formula: NaNO₂. Producator Merck Millipore Assay (manganometric) 500g 1bucata 210.20 lei Solutie standard de azotit NaNO₂ in H₂O trasabila NIST 1000 mg/l NO₂ Certipur® Producator Merck Millipore 500ml 1bucata 191.45lei Solutie standard de amoniu NH₄Cl in H₂O trasabila NIST 1000 mg/l NH₄ Certipur®. Producator Merck Millipore 500ml 1bucata 190.20lei Dicromat de potasiu pentru analiza, EMSURE® ACS,ISO,Reag. Ph Eur ≥ 99.9 % CAS #: 7778-50-9 EC Number: 231-906-6 Molar Mass: 294.19 g/mol Producator Merck Millipore 500g 1bucata 535.