Nikel standart çözeltisi

Merck Tris(hydroxymethyl)aminomethane volumetric standard, secondary reference material for acidimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP

H₂O 'da 0.050 mg/L Mn
100 ml/paket

Merck Phosphorus ICP standard traceable to SRM from NIST H PO in H O 10000 mg/l P Certipur®

0.5 mol/l 1000 mg/L Fe
500 ml/paket

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 3.00 (25°C) Certipur®

H₂O 'da 15.0 mg/L NO₃-N
100 ml/paket

H₂O 'da 10.0 mg/L NO₃
100 ml/paket

0.5 mol/l 1000 mg/L Mg
100 ml/paket

Merck Buffer solution (glycine/sodium chloride/hydrogen chloride), traceable to SRM from NIST and PTB pH 1.00 (25°C) Certipur®

Merck Certified sec. standard reference buffer solution potassium dihydrogen phosphate/di- sodium hydrogen phosphate, directly traceable to primary SRM from NIST/PTB pH(S) = 7.41 (25°C) Certipur®

Merck Lead ICP standard traceable to SRM from NIST Pb(NO ) in HNO 2-3% 10000 mg/l Pb Certipur®

H₂O 'da0.200 mg/L Al
100 ml/paket