1198990500 Solutie standard de azotit NaNO2 in H2O trasabila NIST 1000 mg/l NO2 Certipur Merck 500ml Buc 1*151=151 1198120500 Solutie standard de amoniu NH4Cl in H2O trasabila NIST 1000 mg/l NH4 Certipur Merck 500ml Buc 1*151=151 1008610001 Spectroquant® Zinc - Cell Test-kit pentru determinare fotometrica zinc, 0.025 - 1.000 mg/l Zn Merck 25/cut Cut 1*548=548 1008160001 Spectroquant Mangan - Cell Test 0.10 - 5.00 mg/l Mn, Merck 25/ pach Pach 1 *552=552 1097130002 Spectroquant Nitrat 0.10 - 25.0 mg/l NO3-N 0.4 - 110.7 mg/l NO3-, Merck 250/cut Cut 1*1297=1297 1005940001 Spectroquant Aluminiu - Cell Test, kit pentru determinare fotometrica aluminiu, 0.02 - 0.50 mg/l Al, Merck 25/cut Cut 2*512 =024 1025370001 Test pentru sulfat Metoda: fotometrica 5 - 300 mg/l SO42- Spectroquant Merck 100/cut Cut 1*481=481 1147610002 Spectroquant fier - kit pentru determinare colorimetrica fier, 0.0025 - 5.00 mg/l Fe, Merck 250/cut Cut 1*427 =427