1147520001 Spectroquant® Amoniu - kit pentru determinare fotometrica amoniu, 0.010 - 3.00 mg/l NH₄-N, 500 teste/cut, Producator Merck CUT 1 788.32 1147760002 Spectroquant® Nitrit - kit pentru determinare fotometrica nitriti, domeniu de masurare: 0.002 - 1.00 mg/l NO₂-N 0.007 - 3.28 mg/l NO₂⁻, 335 teste/cut, Producator Merck CUT 1 489.84 1097130002 Spectroquant® Nitrat 0.10 - 25.0 mg/l NO₃-N 0.4 - 110.7 mg/l NO₃⁻, 250 teste/...

1147520001 Spectroquant® Amoniu - kit pentru determinare fotometrica amoniu, 0.010 - 3.00 mg/l NH₄-N, 500 teste/cut, Producator Merck CUT 1 788.32 1147760002 Spectroquant® Nitrit - kit pentru determinare fotometrica nitriti, domeniu de masurare: 0.002 - 1.00 mg/l NO₂-N 0.007 - 3.28 mg/l NO₂⁻, 335 teste/cut, Producator Merck CUT 1 489.84 1097130002 Spectroquant® Nitrat 0.10 - 25.0 mg/l NO₃-N 0.4 - 110.7 mg/l NO₃⁻, 250 teste/cut, Producator Merck CUT 1 1185.60 1990050001 Soluţii tampon trasabile SRM de la NIST şi PTB 10 x pH 4,01 (ftalat) 10 x pH 7,00 (fosfat),10 x pH 9,00 (borat) pH 4.01/pH 7.00/pH 9.00 (25°C) Certipur® 30 *30 ml/cut, Producator Merck CUT 1 256.88 1015860001 Clorura de potasiu - solutie (nominal 0,147 mS/cm), material de referinta certificat pentru masurare conductivitate electrolitica, trasabil PTB si NIST; (c = 0.001 mol/l) Certipur® 30 *30 ml/cut, Producator Merck CUT 1 256.88 1198120500 Solutie standard de amoniu NH₄Cl in H₂O trasabila NIST 1000 mg/l NH₄ Certipur®, Producator Merck 500 ML 1 135.20 1198990500 Solutie standard de azotit NaNO₂ in H₂O trasabila NIST 1000 mg/l NO₂ Certipur®, Producator Merck 500 ML 1 136.24 1198110500 Solutie standard de azotat NaNO₃ in H₂O trasabila NIST 1000 mg/l NO₃ Certipur®, Producator Merck 500 ML 1 135.20 600560 Kal.Kit Turb 430 IR, Producator WTW CUT 1 1840.93 1080390001 Aquamerck® duritate totala MQuant®, 300 teste/cut, Producator Merck CUT 1 331.76

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